JPH0238741U - - Google Patents

Info

Publication number
JPH0238741U
JPH0238741U JP11761888U JP11761888U JPH0238741U JP H0238741 U JPH0238741 U JP H0238741U JP 11761888 U JP11761888 U JP 11761888U JP 11761888 U JP11761888 U JP 11761888U JP H0238741 U JPH0238741 U JP H0238741U
Authority
JP
Japan
Prior art keywords
impurity concentration
inversion
semiconductor substrate
semiconductor device
explanatory diagram
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11761888U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11761888U priority Critical patent/JPH0238741U/ja
Publication of JPH0238741U publication Critical patent/JPH0238741U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Local Oxidation Of Silicon (AREA)
  • Element Separation (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の構成説明図、第2
図は本考案の一実施例の製造工程説明図、第3図
は本考案の他の実施例の構成説明図、第4図は本
考案の他の実施例の製造工程説明図、第5図は寄
生チヤネル反転層の説明図、第6図は従来例の構
成説明図、第7図は従来例の製造工程説明図、第
8図は接合耐圧と寄生トランジスタのしきい値電
圧と反転防止層の不純物濃度の関係図を示す。 1……半導体基板、2……ソース領域、3……
ドレン領域、4……ゲート酸化膜、5……ゲート
電極、5′……ポリシリコン層、6……フイール
ド酸化膜、7……反転層、8,8′,80……反
転防止層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 半導体素子分離用絶縁膜の直下で、かつ半導体
    基板中に該半導体基板よりも不純物濃度が高い反
    転防止層を有する半導体装置において、高不純物
    濃度の素子領域近傍で該反転防止層の不純物濃度
    が低く、高不純物濃度の素子領域から離れた領域
    で該反転防止層の不純物濃度が高くなるように構
    成することを特徴とするMOS型半導体装置。
JP11761888U 1988-09-07 1988-09-07 Pending JPH0238741U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11761888U JPH0238741U (ja) 1988-09-07 1988-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11761888U JPH0238741U (ja) 1988-09-07 1988-09-07

Publications (1)

Publication Number Publication Date
JPH0238741U true JPH0238741U (ja) 1990-03-15

Family

ID=31361236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11761888U Pending JPH0238741U (ja) 1988-09-07 1988-09-07

Country Status (1)

Country Link
JP (1) JPH0238741U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014045219A (ja) * 2007-06-04 2014-03-13 Sony Corp 固体撮像装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014045219A (ja) * 2007-06-04 2014-03-13 Sony Corp 固体撮像装置

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