EIESD Ion Air Bar: Electrostatic Effects on Gallium Nitride (GaN) Devices

Gallium nitride (GaN) has emerged as one of the most critical wide-bandgap semiconductor materials for next-generation high-power, high-frequency, and high-temperature electronic devices. Compared with traditional silicon-based semiconductors, GaN features a wider bandgap, higher breakdown voltage, superior thermal conductivity, and faster electron saturation velocity, making it widely adopted in electric vehicle power systems, 5G and 6G radio frequency communication equipment, high-performance server power supplies, and industrial high-frequency switching devices. The core structural advantage of GaN devices lies in the two-dimensional electron gas (2DEG) layer formed at the heterojunction interface, which enables ultra-high electron mobility and low on-resistance to support high-efficiency and high-speed circuit operation.

Despite its excellent electrical performance and environmental adaptability, GaN devices exhibit unique and sensitive electrostatic susceptibility that differs significantly from silicon semiconductors. The special heterojunction structure, ultra-thin barrier layer, and high-density 2DEG channel of GaN devices make them extremely vulnerable to electrostatic discharge (ESD) and static-induced electric field interference. Even low-intensity static accumulation and transient ESD impacts that barely affect silicon devices can cause irreversible structural damage, performance drift, and latent reliability degradation in GaN components. Electrostatic effects have become a key bottleneck restricting the yield stability and long-term operational reliability of high-end GaN devices in mass production and terminal application scenarios.

Electrostatic effects on GaN devices mainly include transient ESD structural breakdown, static-induced 2DEG channel degradation, electric field concentration damage, and latent parameter drift, stemming from GaN’s unique wide-bandgap material characteristics, heterojunction structural vulnerability, and mismatched traditional static protection schemes for wide-bandgap devices.

Most semiconductor manufacturing and application enterprises apply mature silicon-based ESD management standards and protection schemes to GaN device production and use, ignoring the essential differences in material properties and device structures between GaN and silicon. The conventional static protection strategies that are effective for silicon devices often face failure or even cause secondary damage in GaN device scenarios. The covert and cumulative electrostatic hazards lead to sporadic defective products in mass production and delayed failure of terminal GaN equipment, bringing uncontrollable quality risks and economic losses to the industrial chain.

To effectively avoid electrostatic failure of GaN devices and improve the reliability of wide-bandgap semiconductor products, it is necessary to systematically analyze the formation mechanism of electrostatic effects on GaN devices, sort out specific damage modes and core risk points, clarify industry exclusive compliance standards, and formulate targeted full-process static prevention and control strategies. This article comprehensively elaborates on the principle, hazard manifestations, limiting factors, and optimization solutions of electrostatic effects on GaN devices, providing professional and systematic guidance for GaN chip design, manufacturing, packaging, testing, and terminal application enterprises.

Table of Contents

• Unique Physical Mechanisms of Electrostatic Susceptibility for GaN Devices

• Main Electrostatic Effects and Typical Damage Modes of GaN Devices

• Differences in ESD Hazards Between GaN Devices and Traditional Silicon Semiconductors

• Limitations of Conventional Static Protection Methods for GaN Device Scenarios

• Industry ESD Compliance Standards for Wide-Bandgap GaN Semiconductor Devices

• Targeted Static Prevention and Control Strategies for GaN Device Full Lifecycle

• Long-Term Reliability Optimization Against Electrostatic Degradation of GaN Devices

Unique Physical Mechanisms of Electrostatic Susceptibility for GaN Devices

GaN devices are more susceptible to electrostatic damage than silicon semiconductors due to their wide-bandgap material characteristics, fragile heterojunction 2DEG structure, non-uniform internal electric field distribution, and high-sensitivity surface barrier layers, forming unique electrostatic stress response mechanisms.

The wide-bandgap material properties of GaN determine its special static charge accumulation characteristics. GaN has a bandgap width of 3.4eV, far higher than the 1.12eV of silicon materials. This feature enables GaN devices to withstand high breakdown voltage and high-temperature operation, but it also reduces the natural charge dissipation capability of the material. Wide-bandgap semiconductors have lower intrinsic carrier concentration at room temperature, resulting in poor natural static leakage performance. Static charges generated by friction, contact separation, and electromagnetic induction in production and application processes cannot be quickly dissipated through the material itself. A large number of residual charges accumulate on the surface and internal heterojunction of GaN devices, forming high local electric fields and inducing electrostatic stress damage. In contrast, silicon materials with higher intrinsic carrier concentration can naturally dissipate low-intensity static charges, with significantly lower static accumulation risks.

The heterojunction 2DEG core structure of GaN devices is extremely vulnerable to electrostatic interference. High-performance GaN high-electron-mobility transistors (HEMTs) rely on the AlGaN/GaN heterojunction to form a high-density, high-mobility two-dimensional electron gas channel. This ultra-thin 2DEG layer is only a few nanometers thick and is distributed at the interface of two different wide-bandgap materials. The interface energy band is highly sensitive to external electric field changes. External static charges will directly distort the heterojunction energy band, change the carrier concentration and mobility of the 2DEG channel, and interfere with the normal conduction characteristics of the device. Transient electrostatic impact will cause instantaneous mutation of channel current, resulting in irreversible structural damage to the heterojunction interface. This core structural vulnerability does not exist in traditional planar silicon MOSFET devices, making GaN devices inherently sensitive to electrostatic effects.

Non-uniform internal electric field distribution amplifies electrostatic damage intensity of GaN devices. The epitaxial growth process of GaN devices leads to inevitable material defects and interface stress, resulting in uneven internal electric field distribution. When electrostatic charges accumulate on the device surface, the local electric field at defect points and heterojunction edges will be superimposed and amplified, forming electric field concentration effects. The local electric field strength far exceeds the material breakdown threshold, triggering micro-avalanche breakdown and tiny channel burnout. Even low-voltage static interference that cannot cause overall device breakdown will produce local micro-damage, forming latent failure sources. The uniform lattice structure of silicon devices avoids such extreme local electric field superposition, with more moderate electrostatic stress response.

The surface passivation layer of GaN devices has poor static resistance. To reduce surface leakage current and improve device stability, GaN devices are usually covered with ultra-thin passivation layers. These protective layers are thin and have low dielectric strength, making them unable to resist transient electrostatic impact. Static discharge will break down the local passivation layer, causing surface charge trapping and interface state increase. The damaged passivation layer will further absorb environmental static charges, forming a cumulative electrostatic degradation effect, leading to continuous drift of device threshold voltage and attenuation of output performance.

High-frequency and high-power operating characteristics exacerbate electrostatic coupling risks of GaN devices. GaN devices are mainly used in high-frequency switching and high-power working scenarios. High-speed signal flipping and high-current switching will induce internal dynamic static charge generation. The superposition of external environmental static and internal operating static forms a complex electrostatic stress field, which continuously impacts the heterojunction structure and 2DEG channel. This dynamic electrostatic superposition effect makes GaN devices face persistent static hazards during operation, rather than only static risks in static production links like traditional devices.

Main Electrostatic Effects and Typical Damage Modes of GaN Devices

Electrostatic effects on GaN devices are divided into two major categories: transient catastrophic structural damage and cumulative latent performance degradation, including four typical damage modes: heterojunction breakdown, 2DEG channel attenuation, threshold voltage drift, and surface leakage current increase.

Transient electrostatic discharge causes irreversible heterojunction breakdown and device burnout. When GaN devices are subjected to high-intensity instantaneous ESD impact, the local electric field concentration at the AlGaN/GaN heterojunction instantly exceeds the critical breakdown field strength of the material. The ultra-thin heterojunction interface is directly broken down, forming conductive micro-paths. This damage manifests as permanent short-circuit failure of the device, complete loss of switching and conduction functions, and direct scrapping of components. Different from silicon devices that only produce local circuit damage after ESD breakdown, GaN heterojunction breakdown will directly destroy the core conductive channel of the device, resulting in thorough functional failure. In mass production and testing links, unmanaged static discharge is the main cause of sudden burnout of GaN devices.

Low-intensity static accumulation induces gradual attenuation of 2DEG channel performance. Long-term low-voltage static charge accumulation on the surface of GaN devices will continuously interfere with the heterojunction energy band, reducing the electron density and mobility of the 2DEG channel. With the extension of static action time, the device on-resistance gradually increases, the saturation output current decreases, and the power conduction efficiency continues to decline. This electrostatic degradation process is slow and cumulative. The device can still work normally in the early stage of degradation, but the operating efficiency is reduced. In the later stage of continuous accumulation, the channel performance is completely attenuated, leading to device failure. This latent degradation is the most common electrostatic effect of GaN devices and is extremely difficult to detect in routine testing.

Electrostatic charge trapping causes threshold voltage drift and operating instability. Static interference will generate a large number of trapped charges at the GaN device surface and heterojunction interface. These trapped charges will change the device threshold voltage, resulting in inconsistent turn-on and turn-off characteristics. In high-frequency switching circuits, threshold voltage drift will cause switching delay mutation, signal distortion, and increased switching loss. For high-precision power supply and radio frequency applications, small threshold voltage changes will lead to overall system parameter disorder, reducing equipment operating stability and anti-interference ability. Different from silicon devices with stable threshold characteristics after static elimination, GaN device interface trapped charges exist for a long time, and the performance drift cannot be automatically repaired.

Static-induced passivation layer damage increases device surface leakage current. Electrostatic impact will cause micro-cracks and local breakdown of the GaN device passivation layer, destroying the surface insulation performance. Environmental moisture and dust will invade the damaged layer, further increasing surface leakage current. Excessive leakage current will cause increased device power consumption, serious heat generation, and accelerated aging. In high-temperature and high-power operating scenarios, the superposition of leakage current thermal stress and electrostatic stress will greatly shorten the service life of GaN devices.

Electrostatic effects cause batch consistency problems for GaN device mass production. Different degrees of static interference in production, packaging, and testing links lead to inconsistent performance drift of different batches of GaN devices. Devices in the same batch have differences in on-resistance, threshold voltage, and current output capability, reducing product batch consistency. Batch performance fluctuations will affect the stability of terminal equipment system matching, increasing the failure rate of high-end application scenarios.

The following table summarizes the typical electrostatic damage modes, manifestation characteristics, and detection difficulty of GaN devices:

Differences in ESD Hazards Between GaN Devices and Traditional Silicon Semiconductors

GaN devices differ fundamentally from silicon semiconductors in electrostatic tolerance, damage mechanism, failure manifestation, and risk persistence, showing lower static tolerance, latent dominant damage, and non-repairable static degradation characteristics.

GaN devices have far lower effective electrostatic tolerance than silicon devices despite higher theoretical breakdown voltage. Silicon devices have a uniform bulk breakdown mechanism, and the overall structural stability is strong, which can withstand transient low and medium voltage static impact. Although GaN materials have high theoretical breakdown field strength, their heterojunction interface and ultra-thin passivation layer are fragile. Local electric field concentration caused by static impact will trigger micro-breakdown far below the theoretical breakdown voltage. The actual anti-static capability of GaN devices is significantly lower than that of silicon devices of the same power level. Most industrial-grade silicon devices can withstand static impact above 20V, while many GaN HEMTs will suffer performance drift under 5V low-voltage static interference.

The electrostatic damage mechanisms of GaN and silicon devices are completely different. Silicon devices suffer from bulk structural damage after ESD impact, with damage concentrated in local circuit junctions, and the damage range is intuitive and limited. GaN device electrostatic damage is interface-oriented. Static interference first destroys the heterojunction interface and passivation layer, and the damage spreads to the entire channel structure with the accumulation of trapped charges. The interface micro-defects caused by static cannot be repaired automatically, and the damage is cumulative and progressive. Once electrostatic degradation occurs in GaN devices, the performance will continue to decline, while silicon devices will not have continuous performance drift after eliminating static interference and repairing local damage.

The failure manifestations of electrostatic effects are different between GaN and silicon devices. Silicon device static failure is dominated by catastrophic failure modes such as short circuit and open circuit, with obvious failure characteristics and easy screening. More than 70% of GaN device electrostatic hazards are latent performance degradation, without obvious failure symptoms in the early stage. The devices can pass conventional factory electrical testing and only show abnormal performance in high-frequency and high-power terminal operation. This hidden failure feature leads to a large number of problematic GaN devices flowing into the market, bringing unpredictable quality risks.

The environmental static sensitivity of the two devices varies greatly. Silicon devices have low sensitivity to environmental humidity and weak static accumulation capability. GaN wide-bandgap materials are more sensitive to low-humidity environments. In a low-humidity state below 40% RH, GaN device surface static charges are difficult to dissipate, and the static accumulation speed is several times faster than that of silicon devices. Seasonal dry environments and sealed storage and transportation links will greatly amplify the electrostatic risks of GaN devices, while having little impact on silicon semiconductor products.

The following list intuitively sorts out the core electrostatic hazard differences between GaN and silicon devices:

• Practical ESD Tolerance: GaN devices <5V low-voltage sensitivity; silicon devices 20V–100V static resistance range

• Damage Location: GaN devices suffer interface and channel damage; silicon devices suffer bulk junction damage

• Failure Type: GaN devices are dominated by latent progressive degradation; silicon devices are dominated by instantaneous catastrophic failure

• Damage Recoverability: GaN static damage is non-repairable and cumulative; silicon static damage is repairable after static elimination

• Environmental Sensitivity: GaN devices are extremely sensitive to low-humidity static accumulation; silicon devices have low environmental static sensitivity

Limitations of Conventional Static Protection Methods for GaN Device Scenarios

Traditional silicon-based ESD protection designs and industrial management schemes have obvious limitations in GaN device application, including parasitic parameter interference, mismatched protection thresholds, unadaptable environmental standards, and missing latent damage detection capabilities.

Traditional on-chip ESD protection structures interfere with GaN high-frequency and high-power performance. Conventional semiconductor ESD protection mostly adopts large-size diode and transistor protection units, which have large parasitic capacitance and inductance. GaN devices are used in high-frequency switching scenarios, and tiny parasitic parameters will cause serious signal attenuation, switching delay, and power loss. Excessive traditional ESD protection structures will reduce the high-frequency performance and efficiency advantages of GaN devices. However, reducing the protection scale will lead to insufficient static resistance, forming an unresolvable protection dilemma under traditional schemes.

Silicon-based ESD threshold standards cannot adapt to GaN low-voltage static sensitivity. Most factory static management systems adopt the ±10V static potential standard formulated for silicon devices. This threshold is too loose for GaN devices. Low-intensity static interference within ±10V will already cause 2DEG channel drift and threshold voltage shift of GaN devices. The conventional static safety range cannot cover the sensitive voltage range of GaN devices, resulting in long-term under-protection of GaN production links.

Traditional static detection methods cannot identify latent electrostatic damage of GaN devices. Conventional ESD testing judges device failure based on DC electrical parameter anomalies such as short circuits and open circuits, lacking detection indicators for GaN unique interface degradation and channel performance drift. Most latent electrostatic damage of GaN devices will not change DC parameters and can completely pass traditional quality inspection. The single detection dimension leads to the omission of a large number of sub-health GaN devices with static damage.

Universal environmental static management lacks targeted optimization for wide-bandgap material characteristics. Traditional cleanroom humidity control standards and static dissipation schemes are designed for silicon materials, without considering the low natural static dissipation capability of GaN wide-bandgap materials. The conventional humidity range of 40%–60% RH cannot meet the static dissipation requirements of GaN devices. In addition, traditional management ignores the dynamic electrostatic risks of GaN devices in high-frequency operation, only focusing on static static protection in production links, resulting in incomplete full-cycle protection.

Traditional packaging and testing equipment brings persistent static interference to GaN devices. Most existing semiconductor production equipment is designed for silicon device production, with residual static and electromagnetic interference that cannot be completely eliminated. When applied to GaN device processing and testing, the weak static interference of equipment will continuously affect the sensitive heterojunction structure of GaN devices, inducing slow performance degradation and forming long-term hidden quality dangers.

Industry ESD Compliance Standards for Wide-Bandgap GaN Semiconductor Devices

GaN device electrostatic control needs to comply with upgraded wide-bandgap semiconductor exclusive standards including JEDEC JESD22-A114G, SEMI WG10, and IEC 61340-5-4, which formulate stricter static thresholds, dynamic testing indicators, and latent damage evaluation specifications.

The JEDEC JESD22-A114G standard supplements low-voltage ESD testing specifications for wide-bandgap power devices. Different from silicon device testing standards, this standard clearly stipulates that GaN power devices and RF devices need to complete low-voltage ESD impact testing below 5V. It requires that after static impact, there is no threshold voltage drift, channel resistance increase, or leakage current rise, and the high-frequency performance consistency of the device is maintained. The standard abandons the single pass-fail judgment of traditional standards and adds multi-dimensional performance evaluation indicators for latent electrostatic damage, which is the core compliance basis for GaN device ESD verification.

The SEMI WG10 wide-bandgap semiconductor environmental control standard puts forward precise static management requirements for GaN production. It mandates that the surface static potential of GaN device production, testing, and packaging links be strictly controlled within ±5V, which is half of the silicon device standard. Meanwhile, it stipulates that the cleanroom humidity for GaN device production be stably maintained at 48% to 55% RH, improving natural static dissipation efficiency for wide-bandgap materials. In addition, the standard requires production equipment to adopt low-parasitic anti-static design to avoid secondary interference to GaN high-frequency performance.

The IEC 61340-5-4 standard establishes a full lifecycle dynamic ESD management system for GaN devices. This standard focuses on the dynamic electrostatic risks of GaN devices in high-frequency operation, requiring enterprises to build real-time static monitoring systems for terminal application scenarios. It mandates regular high-frequency performance calibration and leakage current testing of GaN devices to screen cumulative electrostatic degradation. For high-power GaN devices used in electric vehicles and industrial fields, the standard adds accelerated aging testing indicators under static superposition stress to verify long-term reliability.

High-end application industry certification raises customized electrostatic protection requirements for GaN devices. Automotive-grade GaN power devices need to comply with AEC-Q104 supplementary ESD specifications, requiring zero latent electrostatic drift in batch products and full-process traceability of static monitoring data. Aerospace and communication-grade GaN RF devices require ultra-low static environment protection, with stricter static potential control and electromagnetic shielding indicators than industrial-grade products.

The following list sorts the core differentiated compliance indicators of GaN device electrostatic standards:

• Maximum allowable working static potential: ±5V (SEMI WG10, stricter than silicon ±10V)

• Low-voltage ESD testing threshold: 5V full parameter verification (JEDEC JESD22-A114G)

• Special evaluation indicators: threshold drift, on-resistance change, high-frequency efficiency consistency

• Precision environmental humidity control range: 48%–55% RH for wide-bandgap static dissipation

• Mandatory dynamic ESD monitoring in high-frequency operating state (IEC 61340-5-4)

• Full-process traceability of static protection data for automotive and aerospace grade GaN devices

Targeted Static Prevention and Control Strategies for GaN Device Full Lifecycle

Full-lifecycle electrostatic risk control for GaN devices requires systematic optimization from chip design, production environment, equipment transformation, testing screening, and operational management to eliminate static damage and latent degradation from the source.

Optimize GaN device on-chip ESD protection design to adapt to wide-bandgap structural characteristics. Adopt low-parasitic miniature ESD protection units for GaN chip design to replace traditional large-size protection structures, reducing parasitic capacitance and inductance to avoid high-frequency performance loss. Optimize the layout of protection circuits, isolate ESD protection units from 2DEG channels, and prevent static protection structures from interfering with heterojunction electric fields. Adopt graded low-voltage protection thresholds according to GaN device sensitivity, accurately resist low-intensity static impact, and avoid insufficient protection or excessive protection performance loss. This customized design solves the core contradiction between static safety and high-frequency performance of GaN devices.

Upgrade production environment precision static control standards for GaN characteristics. On the basis of conventional cleanroom management, stabilize the workshop humidity within 48% to 55% RH to adapt to the low static dissipation efficiency of wide-bandgap materials. Deploy high-precision static potential real-time monitoring and alarm equipment in key links such as epitaxy, etching, packaging, and testing to realize millivolt-level static monitoring. Add high-frequency electromagnetic shielding facilities in the working area to eliminate electrostatic coupling interference in high-frequency testing links and avoid heterojunction electric field distortion caused by external static fields.

Transform production and testing equipment to eliminate residual static interference. Replace traditional high-residual-static fixtures, transmission components, and testing interfaces with low-parasitic anti-static accessories. Carry out comprehensive multi-point grounding and static dissipation optimization for GaN special production equipment to eliminate local static accumulation blind spots. Regularly calibrate the static interference resistance of high-frequency testing instruments to ensure that the equipment itself does not generate electrostatic noise interference affecting GaN device parameters. Optimize equipment operating speed and tension parameters to reduce triboelectric static generation during device transmission and processing.

Build a GaN exclusive multi-dimensional ESD testing and screening system. On the basis of conventional DC electrical testing, add high-frequency performance testing, threshold voltage stability testing, on-resistance consistency detection, and leakage current precision testing after ESD impact. Screen out latent defective devices with electrostatic degradation that cannot be identified by traditional testing. Formulate graded testing standards for industrial, automotive, and aerospace-grade GaN devices to ensure that products of different grades meet corresponding static reliability requirements.

Standardize full-process operational anti-static specifications for GaN devices. Formulate exclusive anti-static operation guidelines for GaN production and testing posts, requiring higher-level personal static protection than silicon processes. Standardize personnel operation actions to avoid violent friction and contact separation that generate static electricity. Optimize packaging and transportation processes, adopt anti-static shielding packaging for GaN finished devices, and avoid long-term static accumulation caused by sealed low-humidity transportation and storage.

Long-Term Reliability Optimization Against Electrostatic Degradation of GaN Devices

Long-term electrostatic reliability optimization of GaN devices relies on full lifecycle closed-loop management including dynamic operating monitoring, fault big data traceability, accelerated aging evaluation, and iterative scheme optimization to suppress cumulative static degradation.

Establish dynamic electrostatic monitoring mechanism for GaN terminal operating scenarios. Different from static production detection, GaN devices face continuous dynamic static interference and electric field stress during high-frequency switching operation. Install real-time static potential and electromagnetic noise monitoring modules in GaN power equipment and RF equipment to track electrostatic stress changes during device operation. Establish a correlation model between static interference and device performance drift to realize early warning of latent electrostatic degradation and avoid terminal equipment failure caused by progressive performance attenuation.

Build GaN electrostatic fault traceability and big data analysis system. Record all device performance anomalies and failures caused by electrostatic effects, including production environment static data, testing parameters, packaging and transportation conditions, and terminal operating status. Use big data analysis to summarize high-risk production links, sensitive static voltage thresholds, and vulnerable structural positions of different types of GaN devices. Form targeted risk early warning models and optimization schemes to continuously reduce electrostatic failure probability in mass production and application.

Carry out regular electrostatic accelerated aging evaluation for batch GaN devices. Formulate long-term aging testing schemes simulating static superposition stress, simulate low-humidity static accumulation and dynamic operating electrostatic interference in extreme environments, and verify the long-term stability of GaN device performance. Regularly sample and test inventory and delivered products, track performance changes in the full lifecycle, and timely discover delayed latent electrostatic damage to ensure batch product reliability consistency.

Iteratively optimize electrostatic protection schemes with GaN process upgrading. With the continuous iteration of GaN epitaxial processes and device miniaturization, the electrostatic sensitivity of new-generation devices continues to improve. Regularly evaluate the applicability of existing protection design and management schemes, upgrade low-parasitic ESD protection structures and precision environmental control schemes for new processes, and keep static protection capabilities synchronized with device performance iteration.

Improve enterprise GaN electrostatic standardized management system. Sort out exclusive design specifications, production control standards, testing verification mechanisms, and terminal monitoring requirements for GaN electrostatic protection, form complete enterprise standard documents, and integrate them into the quality management system. Take electrostatic latent damage control and batch performance consistency as core assessment indicators to ensure the long-term effective implementation of full-process static prevention and control work.

Conclusion

Gallium nitride wide-bandgap semiconductor devices have completely different electrostatic susceptibility mechanisms and hazard characteristics from traditional silicon devices. The wide-bandgap low dissipation characteristics, fragile AlGaN/GaN heterojunction structure, and high-sensitivity 2DEG channel make GaN devices extremely vulnerable to low-intensity static interference, resulting in unique hazards such as heterojunction breakdown, channel performance attenuation, threshold drift, and cumulative latent degradation. Traditional silicon-based electrostatic protection designs and management schemes have serious limitations in GaN device scenarios, unable to effectively identify and prevent covert electrostatic risks, which restricts the yield improvement and long-term operational reliability of high-end GaN products.

Effective control of electrostatic effects on GaN devices must rely on systematic full-link optimization based on wide-bandgap semiconductor exclusive standards. Through low-parasitic on-chip ESD protection design optimization, precision static control of production environment, full-dimensional equipment static elimination transformation, multi-dimensional latent damage testing and screening, and full lifecycle dynamic monitoring management, enterprises can completely solve the electrostatic failure dilemma of GaN devices, balance high-frequency high-power performance advantages and static safety reliability.

As GaN devices are widely popularized in high-end fields such as new energy vehicles, 5G/6G communication, high-performance computing, and industrial high-power equipment, refined electrostatic risk management for wide-bandgap semiconductors has become an indispensable core competitiveness of semiconductor manufacturing enterprises. Standardized and professional electrostatic prevention and control can effectively improve the mass production yield and batch consistency of GaN devices, reduce terminal after-sales failure rates, and provide solid technical support for the stable development of the wide-bandgap semiconductor industry.