JPH01157453U - - Google Patents

Info

Publication number
JPH01157453U
JPH01157453U JP4704388U JP4704388U JPH01157453U JP H01157453 U JPH01157453 U JP H01157453U JP 4704388 U JP4704388 U JP 4704388U JP 4704388 U JP4704388 U JP 4704388U JP H01157453 U JPH01157453 U JP H01157453U
Authority
JP
Japan
Prior art keywords
substrate
conductivity type
region
semiconductor device
bottom wall
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
JP4704388U
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 JP4704388U priority Critical patent/JPH01157453U/ja
Publication of JPH01157453U publication Critical patent/JPH01157453U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Integrated Circuits (AREA)
  • Bipolar Transistors (AREA)
  • Element Separation (AREA)

Description

【図面の簡単な説明】
第1図a乃至dは本考案による一実施例の製造
工程を説明する基板断面図、第2図a乃至cは従
来装置の分離構造を示す断面図である。 1:半導体基板、3:エピタキシヤル層、6:
溝、7:P拡散周壁、8:N底壁、9:酸化
物充填層。

Claims (1)

  1. 【実用新案登録請求の範囲】 −導電型基板上に堆積した逆導電型のエピタキ
    シヤル層にバイポーラトランジスタを形成し、バ
    イポーラトランジスタ間の基板領域に素子分離領
    域を形成してなる半導体装置において、 素子分離領域は、エピタキシヤル層に形成した
    溝を、底壁が基板に達して連続する基板と同一導
    電型を示す全周壁層と、逆導電型の底壁領域と、
    誘電体とによつて充填されてなることを特徴とす
    る半導体装置。
JP4704388U 1988-04-06 1988-04-06 Pending JPH01157453U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4704388U JPH01157453U (ja) 1988-04-06 1988-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4704388U JPH01157453U (ja) 1988-04-06 1988-04-06

Publications (1)

Publication Number Publication Date
JPH01157453U true JPH01157453U (ja) 1989-10-30

Family

ID=31273275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4704388U Pending JPH01157453U (ja) 1988-04-06 1988-04-06

Country Status (1)

Country Link
JP (1) JPH01157453U (ja)

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