JPS4949885A - - Google Patents

Info

Publication number
JPS4949885A
JPS4949885A JP7292617A JP9261772A JPS4949885A JP S4949885 A JPS4949885 A JP S4949885A JP 7292617 A JP7292617 A JP 7292617A JP 9261772 A JP9261772 A JP 9261772A JP S4949885 A JPS4949885 A JP S4949885A
Authority
JP
Japan
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
JP7292617A
Other languages
Japanese (ja)
Other versions
JPS5215076B2 (el
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 JP7292617A priority Critical patent/JPS5215076B2/ja
Publication of JPS4949885A publication Critical patent/JPS4949885A/ja
Publication of JPS5215076B2 publication Critical patent/JPS5215076B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Silicon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
JP7292617A 1972-09-14 1972-09-14 Expired JPS5215076B2 (el)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7292617A JPS5215076B2 (el) 1972-09-14 1972-09-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7292617A JPS5215076B2 (el) 1972-09-14 1972-09-14

Publications (2)

Publication Number Publication Date
JPS4949885A true JPS4949885A (el) 1974-05-15
JPS5215076B2 JPS5215076B2 (el) 1977-04-26

Family

ID=43770581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7292617A Expired JPS5215076B2 (el) 1972-09-14 1972-09-14

Country Status (1)

Country Link
JP (1) JPS5215076B2 (el)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340568A (en) * 1976-01-13 1982-07-20 The Research Institute For Iron, Steel And Other Metals Of The Tohoku University Super hard highly pure silicon nitrides and a process and apparatus for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340568A (en) * 1976-01-13 1982-07-20 The Research Institute For Iron, Steel And Other Metals Of The Tohoku University Super hard highly pure silicon nitrides and a process and apparatus for producing the same

Also Published As

Publication number Publication date
JPS5215076B2 (el) 1977-04-26

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