JPS63201326U - - Google Patents

Info

Publication number
JPS63201326U
JPS63201326U JP9355287U JP9355287U JPS63201326U JP S63201326 U JPS63201326 U JP S63201326U JP 9355287 U JP9355287 U JP 9355287U JP 9355287 U JP9355287 U JP 9355287U JP S63201326 U JPS63201326 U JP S63201326U
Authority
JP
Japan
Prior art keywords
core tube
furnace core
heat treatment
silicon carbide
semiconductor heat
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
JP9355287U
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 JP9355287U priority Critical patent/JPS63201326U/ja
Publication of JPS63201326U publication Critical patent/JPS63201326U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)

Description

【図面の簡単な説明】
第1図は本考案の半導体熱処理用炉芯管の縦断
面図、第2図は従来の熱処理用炉芯管の縦断面図
、第3図は従来の熱処理用炉芯管を用いた場合の
各温度における冷却速度を示した図である。 1……石英もしくは緻密シリコンカーバイド炉
芯管、2……ポーラスシリコンカーバイド層、3
……緻密シリコンカーバイド層、4……冷却用ガ
ス導入口。

Claims (1)

    【実用新案登録請求の範囲】
  1. 炉芯管の外壁に冷却用ガスを流すためのポーラ
    スなシリコンカーバイドを有することを特徴とす
    る半導体熱処理用炉芯管。
JP9355287U 1987-06-17 1987-06-17 Pending JPS63201326U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9355287U JPS63201326U (ja) 1987-06-17 1987-06-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9355287U JPS63201326U (ja) 1987-06-17 1987-06-17

Publications (1)

Publication Number Publication Date
JPS63201326U true JPS63201326U (ja) 1988-12-26

Family

ID=30956221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9355287U Pending JPS63201326U (ja) 1987-06-17 1987-06-17

Country Status (1)

Country Link
JP (1) JPS63201326U (ja)

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