JPS6469591A - Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor - Google Patents

Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor

Info

Publication number
JPS6469591A
JPS6469591A JP22560987A JP22560987A JPS6469591A JP S6469591 A JPS6469591 A JP S6469591A JP 22560987 A JP22560987 A JP 22560987A JP 22560987 A JP22560987 A JP 22560987A JP S6469591 A JPS6469591 A JP S6469591A
Authority
JP
Japan
Prior art keywords
molten liquid
measurement
liquid level
control
producing device
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
JP22560987A
Other languages
English (en)
Inventor
Ichiro Yamashita
Yasushi Shimanuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP22560987A priority Critical patent/JPS6469591A/ja
Publication of JPS6469591A publication Critical patent/JPS6469591A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)
JP22560987A 1987-09-09 1987-09-09 Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor Pending JPS6469591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22560987A JPS6469591A (en) 1987-09-09 1987-09-09 Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22560987A JPS6469591A (en) 1987-09-09 1987-09-09 Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor

Publications (1)

Publication Number Publication Date
JPS6469591A true JPS6469591A (en) 1989-03-15

Family

ID=16832004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22560987A Pending JPS6469591A (en) 1987-09-09 1987-09-09 Method for measurement and control of molten liquid level in crystal producing device and apparatus therefor

Country Status (1)

Country Link
JP (1) JPS6469591A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06116083A (ja) * 1992-09-17 1994-04-26 Wacker Chemitronic Ges Elektron Grundstoffe Mbh るつぼ中の溶融材料の溶融レベル制御方法および装置
JP2007031175A (ja) * 2005-07-22 2007-02-08 Sumco Corp 単結晶引き上げ装置の液面位置調整機構及び液面位置調整方法並びに単結晶引き上げ装置の液面位置合わせ機構及び液面位置合わせ方法
JP2012240862A (ja) * 2011-05-16 2012-12-10 Mitsubishi Materials Techno Corp 単結晶インゴットの製造装置および液面位置測定方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06116083A (ja) * 1992-09-17 1994-04-26 Wacker Chemitronic Ges Elektron Grundstoffe Mbh るつぼ中の溶融材料の溶融レベル制御方法および装置
JP2007031175A (ja) * 2005-07-22 2007-02-08 Sumco Corp 単結晶引き上げ装置の液面位置調整機構及び液面位置調整方法並びに単結晶引き上げ装置の液面位置合わせ機構及び液面位置合わせ方法
US8801853B2 (en) 2005-07-22 2014-08-12 Sumco Corporation Mechanism for controlling melt level in single crystal pulling apparatus, method for controlling melt level in single crystal pulling apparatus, mechanism for adjusting melt level in single crystal pulling apparatus and method for adjusting melt level while pulling single crystal
JP2012240862A (ja) * 2011-05-16 2012-12-10 Mitsubishi Materials Techno Corp 単結晶インゴットの製造装置および液面位置測定方法

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