JPH0476033U - - Google Patents

Info

Publication number
JPH0476033U
JPH0476033U JP11949390U JP11949390U JPH0476033U JP H0476033 U JPH0476033 U JP H0476033U JP 11949390 U JP11949390 U JP 11949390U JP 11949390 U JP11949390 U JP 11949390U JP H0476033 U JPH0476033 U JP H0476033U
Authority
JP
Japan
Prior art keywords
furnace
core tube
insertion port
shaped member
wafer insertion
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
JP11949390U
Other languages
Japanese (ja)
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 JP11949390U priority Critical patent/JPH0476033U/ja
Publication of JPH0476033U publication Critical patent/JPH0476033U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Ceramic Products (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例の炉芯管を使用した
熱処理炉の断面図、第2図は従来の炉芯管を使用
した熱処理炉の断面図、第3図は本考案の炉芯管
と従来の炉芯管のウエハ挿入口近辺の温度勾配を
表わすグラフである。 1,11……炉芯管、2,12……ガス導入管
、3,13……ウエハ挿入口、4,14……炉体
、5,15……ヒータ、6,16……断熱キヤツ
プ、7……リング状コイルバネ、17……テーパ
を付けたリング状部材。
Figure 1 is a cross-sectional view of a heat treatment furnace using a furnace core tube according to an embodiment of the present invention, Figure 2 is a cross-sectional view of a heat treatment furnace using a conventional furnace core tube, and Figure 3 is a furnace core of the present invention. 3 is a graph showing the temperature gradient near the wafer insertion port of a tube and a conventional furnace core tube. 1, 11... Furnace core tube, 2, 12... Gas introduction pipe, 3, 13... Wafer insertion port, 4, 14... Furnace body, 5, 15... Heater, 6, 16... Heat insulation cap, 7... Ring-shaped coil spring, 17... Tapered ring-shaped member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 半導体ウエハを各種処理する熱処理炉において
、炉体から突出している炉芯管のウエハ挿入口側
の部分に、テーパをつけた耐熱性のリング状部材
を装着したことを特徴とする炭化ケイ素製炉芯管
A silicon carbide furnace for various types of processing of semiconductor wafers, characterized in that a tapered heat-resistant ring-shaped member is attached to the wafer insertion port side portion of the furnace core tube protruding from the furnace body. Core tube.
JP11949390U 1990-11-15 1990-11-15 Pending JPH0476033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11949390U JPH0476033U (en) 1990-11-15 1990-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11949390U JPH0476033U (en) 1990-11-15 1990-11-15

Publications (1)

Publication Number Publication Date
JPH0476033U true JPH0476033U (en) 1992-07-02

Family

ID=31867449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11949390U Pending JPH0476033U (en) 1990-11-15 1990-11-15

Country Status (1)

Country Link
JP (1) JPH0476033U (en)

Similar Documents

Publication Publication Date Title
JPH0476033U (en)
JPS6184500U (en)
JPS6273538U (en)
JPS63121431U (en)
JPS6274331U (en)
JPS6258038U (en)
JPH0487634U (en)
JPH01156545U (en)
JPH0272545U (en)
JPH02122432U (en)
JPS63201326U (en)
JPS6457634U (en)
JPS60158732U (en) Oxidation/diffusion furnace
JPS6192051U (en)
JPS62162835U (en)
JPH0252439U (en)
JPH0434733U (en)
JPH0224539U (en)
JPH02146424U (en)
JPH03124633U (en)
JPS63106766U (en)
JPS6350873U (en)
JPS63149523U (en)
JPS6356250U (en)
JPH01120326U (en)