JPS59178371U - Melt heat convection suppressor - Google Patents

Melt heat convection suppressor

Info

Publication number
JPS59178371U
JPS59178371U JP7067283U JP7067283U JPS59178371U JP S59178371 U JPS59178371 U JP S59178371U JP 7067283 U JP7067283 U JP 7067283U JP 7067283 U JP7067283 U JP 7067283U JP S59178371 U JPS59178371 U JP S59178371U
Authority
JP
Japan
Prior art keywords
melt
heat convection
melt heat
convection suppressing
convection suppressor
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
JP7067283U
Other languages
Japanese (ja)
Inventor
渡辺　久恒
Original Assignee
日本電気株式会社
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 by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP7067283U priority Critical patent/JPS59178371U/en
Publication of JPS59178371U publication Critical patent/JPS59178371U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、本考案を引上装置用ルツボ内に設置した状態
を示す概略図であり、１は融液処容ルツボ、２は融液、
３は引上結晶、４は回転引上シャフト、５は融液熱対流
抑制装置の円板部、６は融液熱対流抑制装置の対流抑制
用治具、７は重しを示す。第２図は第１図における融液
熱対流抑制袋　　、置の対流抑制治具の他の変形を示す
斜視概略図。FIG. 1 is a schematic diagram showing the present invention installed in a crucible for a pulling device, in which 1 is a melt processing crucible, 2 is a melt,
3 is a pulling crystal, 4 is a rotary pulling shaft, 5 is a disk portion of a melt thermal convection suppressing device, 6 is a convection suppressing jig of the melt thermal convection suppressing device, and 7 is a weight. FIG. 2 is a schematic perspective view showing another modification of the melt heat convection suppressing bag and the convection suppressing jig shown in FIG. 1.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 結晶引上用ルツボ中の融液の表面に設置するものであっ
て、゛比重が融液より小さい材質からなり中央に引上結
晶直径以上の径の穴を有した円板と、この穴にはめこま
れこの円板の垂直方向に摺動可能でしかも下部を融液中
に浸漬すべき円筒状対流抑制治具とからなることを特徴
とした融液熱対流抑制装置。It is installed on the surface of the melt in the crucible for crystal pulling, and consists of a disk made of a material whose specific gravity is smaller than that of the melt and a hole in the center with a diameter larger than the diameter of the crystal to be pulled; A melt thermal convection suppressing device comprising a fitted cylindrical convection suppressing jig that is slidable in the vertical direction of the disk and whose lower part is immersed in the melt.
JP7067283U 1983-05-12 1983-05-12 Melt heat convection suppressor Pending JPS59178371U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7067283U JPS59178371U (en) 1983-05-12 1983-05-12 Melt heat convection suppressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7067283U JPS59178371U (en) 1983-05-12 1983-05-12 Melt heat convection suppressor

Publications (1)

Publication Number Publication Date
JPS59178371U true JPS59178371U (en) 1984-11-29

Family

ID=30200822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7067283U Pending JPS59178371U (en) 1983-05-12 1983-05-12 Melt heat convection suppressor

Country Status (1)

Country Link
JP (1) JPS59178371U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104796A (en) * 1980-01-22 1981-08-20 Sumitomo Electric Ind Ltd Method of uniform doping of impurity by liquid capsule method and device therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104796A (en) * 1980-01-22 1981-08-20 Sumitomo Electric Ind Ltd Method of uniform doping of impurity by liquid capsule method and device therefor

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