JPH0425233U - - Google Patents

Info

Publication number
JPH0425233U
JPH0425233U JP6696590U JP6696590U JPH0425233U JP H0425233 U JPH0425233 U JP H0425233U JP 6696590 U JP6696590 U JP 6696590U JP 6696590 U JP6696590 U JP 6696590U JP H0425233 U JPH0425233 U JP H0425233U
Authority
JP
Japan
Prior art keywords
suction
gas supply
vacuum pump
reaction chamber
normal pressure
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
JP6696590U
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 JP6696590U priority Critical patent/JPH0425233U/ja
Publication of JPH0425233U publication Critical patent/JPH0425233U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は、本考案の実施例を示す概略構成図、
第2図は、実施例における薄膜形成を説明する断
面図、第3図は、従来例を示す概略構成図、第4
図a,bは、従来例における薄膜形成を説明する
断面図である。 1……反応室、4……基板、8……ガス供給口
、13,14……吸引口、17……切換弁、19
……真空ポンプ、20……制御装置。

Claims (1)

  1. 【実用新案登録請求の範囲】 反応室内に、基板へ向けて反応ガスを吹き出す
    ガス供給口を備えた常圧CVD装置において、 上記反応室内のガス供給口の周囲に、真空ポン
    プに通じた複数の吸引口を対称的に配置するとと
    もに、 その複数の吸引口のうち、上記真空ポンプで吸
    引を行う吸引口を順次切換える手段を設けたこと
    を特徴とする常圧CVD装置。
JP6696590U 1990-06-25 1990-06-25 Pending JPH0425233U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6696590U JPH0425233U (ja) 1990-06-25 1990-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6696590U JPH0425233U (ja) 1990-06-25 1990-06-25

Publications (1)

Publication Number Publication Date
JPH0425233U true JPH0425233U (ja) 1992-02-28

Family

ID=31600127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6696590U Pending JPH0425233U (ja) 1990-06-25 1990-06-25

Country Status (1)

Country Link
JP (1) JPH0425233U (ja)

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