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台槽刻蚀对埋栅型静电感应晶体管特性的影响

朱筠

现代电子技术2012,Vol.35Issue(8):175-178,4.
现代电子技术2012,Vol.35Issue(8):175-178,4.

台槽刻蚀对埋栅型静电感应晶体管特性的影响

Influence of mesa and groove etching on characteristics of static induction transistor with buried gate structure

朱筠1

作者信息

  • 1. 西安邮电学院电子工程学院,陕西西安710121
  • 折叠

摘要

Abstract

For SIT with buried-gate structure in order to cut off connecting department between grating electrod and source cathode (or cathode) formed in the epilayer process, and open the grating electrode area, the mesa etching after the epitaxy is performed. The depth and shape of mesa etching are studied. To eliminate a variety of parasitic effect, a deep groove is etched outside active region to guarantee the grating source breakdown occurrenced in the internal and achieve the value closed to the theoretical value. In addition, "etching the gate and then etching the deep groove" can produce a good device easier than "etching the deep groove and then etching the gate".

关键词

埋栅型SIT/台面刻蚀/深槽刻蚀/先台后槽

Key words

SIT with buried-gate structure/ mesa etching/ deep groove etching/ mesa etching first then groove etching

分类

信息技术与安全科学

引用本文复制引用

朱筠..台槽刻蚀对埋栅型静电感应晶体管特性的影响[J].现代电子技术,2012,35(8):175-178,4.

基金项目

甘肃省自然科学基金(3ZS051-A24-034) (3ZS051-A24-034)

现代电子技术

OACSTPCD

1004-373X

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