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相关概念视频

Biasing of FET01:22

Biasing of FET

368
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
368
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

478
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
478

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相关实验视频

Updated: Sep 9, 2025

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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在p-GaN HEMT中提高预先可靠性的晶圆门选测试

Giovanni Giorgino1,2, Cristina Miccoli2, Marcello Cioni2

  • 1Department of Engineering "Enzo Ferrari", Università di Modena e Reggio Emilia, 41125 Modena, Italy.

Micromachines
|August 28, 2025
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概括

这项研究引入了一个更快的,在晶圆上的方法来评估p-GaN HEMT的门可靠性. 一种新的表面处理提高了设备的可靠性, 这对于高功率电子设备至关重要.

关键词:
医疗器械美国门的可靠性p-GaN 在表面处理

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Last Updated: Sep 9, 2025

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科学领域:

  • 材料科学
  • 半导体设备物理
  • 可靠性工程

背景情况:

  • 在p-GaN HEMT中,门的强度对于设备的寿命和满足行业标准至关重要.
  • 目前的可靠性测试耗时,通常在包装后进行.
  • 需要更快的晶圆选方法来早期识别潜在的门故障.

研究的目的:

  • 开发和验证p-GaN HEMT门可靠性的快速室温选程序.
  • 评估介电层和表面处理对门预可靠性的有效性.
  • 通过模拟了解门漏水和排水漏水的基本机制.

主要方法:

  • 开发一个室温应力程序来测试晶圆门的可靠性.
  • 使用参考门工艺,介电层工艺和表面处理工艺的设备的比较分析.
  • 使用技术计算机辅助设计 (TCAD) 模拟来调查设备的行为.

主要成果:

  • 在压力下,参考门过程表现出显著的门泄漏降解.
  • 实施介电层提高了门的可靠性,但导致了高排水泄漏.
  • 一个p-GaN表面处理提高了门的预先可靠性,同时保持了低排水泄漏.

结论:

  • 开发的室温选方法在制造过程的早期有效地识别出门的可靠性问题.
  • 表面处理提供了一个有前途的方法来提高p-GaN HEMT门的强度,而不会影响排水泄漏性能.
  • 对于理解设备物理和优化制造过程,TCAD模拟非常有价值.