JPH03110861U - - Google Patents

Info

Publication number
JPH03110861U
JPH03110861U JP1923490U JP1923490U JPH03110861U JP H03110861 U JPH03110861 U JP H03110861U JP 1923490 U JP1923490 U JP 1923490U JP 1923490 U JP1923490 U JP 1923490U JP H03110861 U JPH03110861 U JP H03110861U
Authority
JP
Japan
Prior art keywords
semiconductor substrate
epitaxial layer
conductivity type
resistivity epitaxial
low resistivity
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
JP1923490U
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 JP1923490U priority Critical patent/JPH03110861U/ja
Publication of JPH03110861U publication Critical patent/JPH03110861U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本案の一実施例の略断面図、第2図乃
至第7図は第1図の構造に至るまでの各工程の略
断面図である。 1……半導体基板、2……SiO膜、3……
レジスト、4……深い凹部、5……浅い凹部、6
……N型埋込拡散層、7……N型低比抵抗エピ
タキシヤル層、8……N型高比抵抗エピタキシヤ
ル層、9……P型拡散層、10……N型拡散層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 保護膜で覆われた第1の導電型の半導体基板に
    設けた深い凹部の側壁に形成した第2の導電型の
    低比抵抗エピタキシヤル層と、その上に形成され
    半導体基板の表面に達する第2の導電型の高比抵
    抗エピタキシヤル層とよりなる部分に形成された
    受光素子及び前記の深い凹部に隣接して半導体基
    板に設けた浅い凹部に形成され半導体基板の表面
    に達する第2の導電型の低比抵抗エピタキシヤル
    層の部分に形成された信号処理回路素子を有する
    回路内蔵受光素子。
JP1923490U 1990-02-26 1990-02-26 Pending JPH03110861U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1923490U JPH03110861U (ja) 1990-02-26 1990-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1923490U JPH03110861U (ja) 1990-02-26 1990-02-26

Publications (1)

Publication Number Publication Date
JPH03110861U true JPH03110861U (ja) 1991-11-13

Family

ID=31522365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1923490U Pending JPH03110861U (ja) 1990-02-26 1990-02-26

Country Status (1)

Country Link
JP (1) JPH03110861U (ja)

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