JPS53102900A - Preparation of cubic bn - Google Patents

Preparation of cubic bn

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Publication number
JPS53102900A
JPS53102900A JP1712677A JP1712677A JPS53102900A JP S53102900 A JPS53102900 A JP S53102900A JP 1712677 A JP1712677 A JP 1712677A JP 1712677 A JP1712677 A JP 1712677A JP S53102900 A JPS53102900 A JP S53102900A
Authority
JP
Japan
Prior art keywords
cubic
preparation
temp
pressure
contg
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
JP1712677A
Other languages
Japanese (ja)
Inventor
Kenzo Susa
Toshio Kobayashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1712677A priority Critical patent/JPS53102900A/en
Publication of JPS53102900A publication Critical patent/JPS53102900A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To prepare transparent cubic BN with a higher purity at a lower pressure and a lower temp. than the conventional method, by applying specified high pressure and high temp. to hexagonal BN contg. NH3 gas as a catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP1712677A 1977-02-21 1977-02-21 Preparation of cubic bn Pending JPS53102900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1712677A JPS53102900A (en) 1977-02-21 1977-02-21 Preparation of cubic bn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1712677A JPS53102900A (en) 1977-02-21 1977-02-21 Preparation of cubic bn

Publications (1)

Publication Number Publication Date
JPS53102900A true JPS53102900A (en) 1978-09-07

Family

ID=11935331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1712677A Pending JPS53102900A (en) 1977-02-21 1977-02-21 Preparation of cubic bn

Country Status (1)

Country Link
JP (1) JPS53102900A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5130549A (en) * 1987-10-16 1992-07-14 Davies Geoffrey J Method of detecting or measuring nuclear radiation
JPH06112013A (en) * 1991-12-07 1994-04-22 Natl Inst For Res In Inorg Mater Manufacture of zincblende type boron nitride sintered body varistor
CN110357047A (en) * 2019-07-03 2019-10-22 郑州中南杰特超硬材料有限公司 A kind of cubic boron nitride purification processing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5130549A (en) * 1987-10-16 1992-07-14 Davies Geoffrey J Method of detecting or measuring nuclear radiation
JPH06112013A (en) * 1991-12-07 1994-04-22 Natl Inst For Res In Inorg Mater Manufacture of zincblende type boron nitride sintered body varistor
CN110357047A (en) * 2019-07-03 2019-10-22 郑州中南杰特超硬材料有限公司 A kind of cubic boron nitride purification processing method
CN110357047B (en) * 2019-07-03 2020-11-24 郑州中南杰特超硬材料有限公司 Cubic boron nitride purification treatment method

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