JPH0523579Y2 - - Google Patents

Info

Publication number
JPH0523579Y2
JPH0523579Y2 JP1987190866U JP19086687U JPH0523579Y2 JP H0523579 Y2 JPH0523579 Y2 JP H0523579Y2 JP 1987190866 U JP1987190866 U JP 1987190866U JP 19086687 U JP19086687 U JP 19086687U JP H0523579 Y2 JPH0523579 Y2 JP H0523579Y2
Authority
JP
Japan
Prior art keywords
single crystal
pulling
cooling
diameter
quartz crucible
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.)
Expired - Lifetime
Application number
JP1987190866U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0194468U (en, 2012
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 JP1987190866U priority Critical patent/JPH0523579Y2/ja
Publication of JPH0194468U publication Critical patent/JPH0194468U/ja
Application granted granted Critical
Publication of JPH0523579Y2 publication Critical patent/JPH0523579Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
JP1987190866U 1987-12-16 1987-12-16 Expired - Lifetime JPH0523579Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987190866U JPH0523579Y2 (en, 2012) 1987-12-16 1987-12-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987190866U JPH0523579Y2 (en, 2012) 1987-12-16 1987-12-16

Publications (2)

Publication Number Publication Date
JPH0194468U JPH0194468U (en, 2012) 1989-06-21
JPH0523579Y2 true JPH0523579Y2 (en, 2012) 1993-06-16

Family

ID=31481805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987190866U Expired - Lifetime JPH0523579Y2 (en, 2012) 1987-12-16 1987-12-16

Country Status (1)

Country Link
JP (1) JPH0523579Y2 (en, 2012)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS546511A (en) * 1977-06-17 1979-01-18 Hitachi Ltd Rotary type magnetic head
JPS5645894A (en) * 1979-09-25 1981-04-25 Nippon Telegr & Teleph Corp <Ntt> Reducing method for defect of silicon single crystal
DE3027262A1 (de) * 1980-07-18 1982-02-11 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Im ziehverfahren hergestellte, duennwandige lagerbuechse
JPS5750759A (en) * 1980-09-10 1982-03-25 Hitachi Ltd Charged particle irradiator
JPS62138385A (ja) * 1985-12-11 1987-06-22 Shin Etsu Handotai Co Ltd 半導体単結晶の引上装置

Also Published As

Publication number Publication date
JPH0194468U (en, 2012) 1989-06-21

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