JPS5556100A - Production of star ruby or star sapphire - Google Patents

Production of star ruby or star sapphire

Info

Publication number
JPS5556100A
JPS5556100A JP12706778A JP12706778A JPS5556100A JP S5556100 A JPS5556100 A JP S5556100A JP 12706778 A JP12706778 A JP 12706778A JP 12706778 A JP12706778 A JP 12706778A JP S5556100 A JPS5556100 A JP S5556100A
Authority
JP
Japan
Prior art keywords
raw material
rod
star
sintered
alco
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.)
Granted
Application number
JP12706778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6128637B2 (enExample
Inventor
Akihiko Kawachi
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP12706778A priority Critical patent/JPS5556100A/ja
Publication of JPS5556100A publication Critical patent/JPS5556100A/ja
Publication of JPS6128637B2 publication Critical patent/JPS6128637B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/16—Heating of the molten zone
    • C30B13/22—Heating of the molten zone by irradiation or electric discharge

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
JP12706778A 1978-10-16 1978-10-16 Production of star ruby or star sapphire Granted JPS5556100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12706778A JPS5556100A (en) 1978-10-16 1978-10-16 Production of star ruby or star sapphire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12706778A JPS5556100A (en) 1978-10-16 1978-10-16 Production of star ruby or star sapphire

Publications (2)

Publication Number Publication Date
JPS5556100A true JPS5556100A (en) 1980-04-24
JPS6128637B2 JPS6128637B2 (enExample) 1986-07-01

Family

ID=14950758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12706778A Granted JPS5556100A (en) 1978-10-16 1978-10-16 Production of star ruby or star sapphire

Country Status (1)

Country Link
JP (1) JPS5556100A (enExample)

Also Published As

Publication number Publication date
JPS6128637B2 (enExample) 1986-07-01

Similar Documents

Publication Publication Date Title
JPS5556100A (en) Production of star ruby or star sapphire
JPS5229407A (en) Process for production of titanium bars
GB1081600A (en) A method of melting a rod of crystalline material zone-by-zone
JPS5527203A (en) Producing process of polypropyrene sheet having superior transparency
US4218282A (en) Method of preparation of chrysoberyl and beryl single crystals
JPS5215498A (en) Process for production of granular corrundum
JPS5542283A (en) Production of star ruby and star sapphire
JPS5556093A (en) Production of star ruby or star sapphire
JPS5556099A (en) Production of star ruby or star sapphire
IT1067307B (it) Cassa d'orologio e metodo per fabbricare la stessa
ATE132396T1 (de) Verfahren zur zerkleinerung von sprödem mahlgut mit einer selektiven desagglomeration, durchführung des verfahrens sowie anlage zur durchführung des verfahrens
JPS5414399A (en) Production of beryl single crystal
JPS546900A (en) Production of clean beryl single crystal
JPS5556092A (en) Production of single crystal
JPS5761696A (en) Manufacturing of single crystal
JPS5614500A (en) Manufacture of synthetic corundum single crystal having asterism
JPS57187127A (en) Production for pressure die
JPS5562884A (en) Chrysoberyl single crystal showing cat's-eye effect and production thereof
JPS5650197A (en) Manufacture of single crystal
JPS6443800A (en) Radiation image conversion panel
JPS51136582A (en) Process for production of a semi -conductor crystal
DE922584C (de) Verfahren zur Herstellung von strahl- oder sternbildenden (asterisierenden) Korundkristallen
JPS524498A (en) Method for the production of chromium oxide
JP2673255B2 (ja) 時計ケースおよびその製造方法
JPS63260894A (ja) クリソベリルキャッツアイ単結晶の合成方法