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芯驰无界,逐光而行:深圳平湖实验室氮化镓技术突破引领第三代半导体新浪潮

  • 2026-05-01 10:10:29
芯驰无界,逐光而行:深圳平湖实验室氮化镓技术突破引领第三代半导体新浪潮

在人工智能、新能源汽车、数据中心等前沿领域快速发展的今天,传统硅基功率半导体已逐渐逼近物理极限。作为第三代半导体的核心材料,氮化镓(GaN)凭借其宽禁带、高电子迁移率、高击穿电场等优异特性,正成为突破功率电子系统性能瓶颈的关键技术。位于深圳龙岗区的深圳平湖实验室,作为国家第三代半导体技术创新中心(深圳)的实体运营单位,近年来在氮化镓技术研发领域取得了一系列突破性进展,多项成果达到国际先进水平。

全电压覆盖:从低压到高压的全面突破

深圳平湖实验室在氮化镓功率器件研发上实现了从低压到高压的全电压覆盖,为不同应用场景提供了完整的解决方案。

低压领域(15V-40V):实验室成功研制出高性能低压GaN E-HEMT器件,关键性能达到国际先进水平。其中代表性的25V器件阈值电压大于1V,漏极击穿电压超60V,比导通电阻低于4mΩ·mm²,优值FOM(Ron × Qg)小于10mΩ·nC,大幅突破传统硅基技术的性能极限。这些器件为高效、高功率密度计算芯片供电提供了全新解决方案,特别适合人工智能算力芯片的供电需求。

中压领域(100V):实验室在100V氮化镓功率器件领域取得关键进展,成功研制出高性能100V GaN E-HEMT器件与封装工程样品,关键性能达到行业先进水平。这些器件可为数据中心二次电源、人形机器人与无人机电机驱动提供全新解决方案。

高压领域(650V):实验室在高压650V氮化镓功率器件领域取得关键进展,成功研制出高性能高压GaN E-HEMT器件。该器件阈值电压大于1.5V,漏极击穿电压超1500V,比导通电阻低于260mΩ·mm²,优值FOM(Ron × Qg)小于190mΩ·nC,关键参数达到国际先进水平,可为数据中心一次电源、工业机器人、车载OBC提供有竞争力的解决方案。

超高压领域(1200V):在国家科技重大专项支持下,实验室在高压1200V级GaN功率器件领域取得关键性突破,首次在8英寸Si衬底上实现了超过8μm的低翘曲GaN外延,并成功验证了1200V等级科研小器件电性,关键性能达到国际先进水平。这项成果为提升数据中心800V母线供电、工业电机驱动等关键产业的核心元器件自主供应能力奠定了坚实基础。

核心技术突破:从材料到器件的创新

深圳平湖实验室的氮化镓技术突破建立在多项核心技术创新基础上:

8英寸硅基GaN科研中试平台:实验室建成了全球首个集科研和中试于一体的8英寸第三代功率半导体开放、共享的平台,为技术研发提供了坚实基础。

p-GaN增强型技术路线:实验室采用p-GaN增强型技术路线,先后攻克了一系列长期制约器件性能的关键技术,包括高迁移率外延技术、高耐压缓冲层外延技术、低欧姆接触电阻技术等。

材料创新:实验室在国际上首次研制了商用8英寸4°倾角4H-SiC衬底上的高质量AlGaN/GaN异质结构外延,打破了大尺寸GaN与SiC材料单片集成的技术瓶颈。这一成果使GaN外延材料中的缺陷密度下降10-15倍,有望从根本上解决GaN器件的可靠性问题。

基础研究突破:实验室研究团队首次揭示了氮化镓异质结构中AlN夹层厚度依赖的极化调制规律,相关成果发表在国际期刊《Nanoscale》并被收录为期刊封面。这一发现为理解亚纳米尺度极化工程提供了全新原子视角。

产业化进程:从实验室到生产线

深圳平湖实验室不仅在技术研发上取得突破,在产业化进程中也走在前列:

国产化装备验证:实验室已完成124台主工艺设备(除光刻机)全链条国产化验证,成功打造8英寸SiC和GaN国产设备标杆生产线,打破国外技术垄断。完成国内细分领域18台首台(套)装备的产线验证,并推动国产供应商开发17台产线标杆机台。

工程样品进展:基于650V GaN技术开发的DFN与TOLL封装器件已进入工程流片阶段,预计650V电压等级样品将于2026年第二季度对外发布。基于低压GaN技术开发的晶圆级封装(WLCSP)器件已进入工程流片阶段,预计25V与15V电压等级WLCSP样品将分别于2026年第一季度和第二季度对外发布。

国际学术影响力:实验室GaN课题组5项研究成果亮相第15届国际氮化物半导体会议ICNS-15,就GaN器件的p-GaN栅极可靠性、100V高性能器件、650V先进集成平台进行了报道。

产业意义与未来展望

深圳平湖实验室的氮化镓技术突破具有重要的产业意义:

推动产业升级:这些技术成果将推动整个电力电子行业向更节能、更紧凑、更智能的方向发展,为人工智能、新能源汽车、数据中心等关键领域提供核心元器件支撑。

保障供应链安全:通过国产化装备验证和技术突破,实验室为第三代半导体领域的国家战略安全和核心装备自主可控做出了重要贡献。

引领技术发展:实验室在氮化镓技术领域的全面突破,特别是在8英寸硅基GaN平台上的创新,为国内第三代半导体产业的发展树立了标杆。

展望未来,随着人工智能、新能源汽车等产业的快速发展,对高效、高功率密度功率器件的需求将持续增长。深圳平湖实验室将继续在氮化镓技术研发和产业化道路上“芯驰无界,逐光而行”,为推动中国第三代半导体产业的发展贡献更多力量。

本文基于深圳平湖实验室公开技术资料整理,数据截至2026年4月

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  1. CONNECT:[ UseTime:0.000404s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000599s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000371s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000313s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000595s ]
  6. SELECT * FROM `set` [ RunTime:0.000205s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000640s ]
  8. SELECT * FROM `article` WHERE `id` = 557935 LIMIT 1 [ RunTime:0.000530s ]
  9. UPDATE `article` SET `lasttime` = 1777764944 WHERE `id` = 557935 [ RunTime:0.004043s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000435s ]
  11. SELECT * FROM `article` WHERE `id` < 557935 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000571s ]
  12. SELECT * FROM `article` WHERE `id` > 557935 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000596s ]
  13. SELECT * FROM `article` WHERE `id` < 557935 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002542s ]
  14. SELECT * FROM `article` WHERE `id` < 557935 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003435s ]
  15. SELECT * FROM `article` WHERE `id` < 557935 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002739s ]
0.092760s