JPS61177462U - - Google Patents

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Publication number
JPS61177462U
JPS61177462U JP6125885U JP6125885U JPS61177462U JP S61177462 U JPS61177462 U JP S61177462U JP 6125885 U JP6125885 U JP 6125885U JP 6125885 U JP6125885 U JP 6125885U JP S61177462 U JPS61177462 U JP S61177462U
Authority
JP
Japan
Prior art keywords
regions
impurity diffusion
semiconductor device
conductivity type
field ring
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
JP6125885U
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 JP6125885U priority Critical patent/JPS61177462U/ja
Publication of JPS61177462U publication Critical patent/JPS61177462U/ja
Pending legal-status Critical Current

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  • Element Separation (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る半導体装置の一実施例を
示す断面図、第2図は第1図の半導体装置の動作
状態を説明するための断面図である。第3図は従
来の半導体装置の具体例を示す断面図、第4図は
第3図の半導体装置の動作状態を説明するための
断面図である。 1,2……基板、3,4……不純物拡散領域、
5,5′……フイールドリング領域。

Claims (1)

    【実用新案登録請求の範囲】
  1. 一導電型基板上に他導電型の不純物拡散領域を
    順次選択的に形成し、さらにそれらの周辺に、不
    純物拡散によるフイールドリング領域を形成した
    ものにおいて、上記フイールドリング領域を、該
    不純物拡散領域よりも深く形成したことを特徴と
    する半導体装置。
JP6125885U 1985-04-23 1985-04-23 Pending JPS61177462U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6125885U JPS61177462U (ja) 1985-04-23 1985-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6125885U JPS61177462U (ja) 1985-04-23 1985-04-23

Publications (1)

Publication Number Publication Date
JPS61177462U true JPS61177462U (ja) 1986-11-05

Family

ID=30589368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6125885U Pending JPS61177462U (ja) 1985-04-23 1985-04-23

Country Status (1)

Country Link
JP (1) JPS61177462U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100460A (ja) * 1981-12-11 1983-06-15 Hitachi Ltd 縦形mos半導体装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100460A (ja) * 1981-12-11 1983-06-15 Hitachi Ltd 縦形mos半導体装置

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