JPH0534305B2 - - Google Patents

Info

Publication number
JPH0534305B2
JPH0534305B2 JP62076464A JP7646487A JPH0534305B2 JP H0534305 B2 JPH0534305 B2 JP H0534305B2 JP 62076464 A JP62076464 A JP 62076464A JP 7646487 A JP7646487 A JP 7646487A JP H0534305 B2 JPH0534305 B2 JP H0534305B2
Authority
JP
Japan
Prior art keywords
bending strength
ultraviolet transmittance
alumina
specific surface
surface area
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
JP62076464A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63242964A (ja
Inventor
Toshio Oohashi
Koichiro Maekawa
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP62076464A priority Critical patent/JPS63242964A/ja
Publication of JPS63242964A publication Critical patent/JPS63242964A/ja
Publication of JPH0534305B2 publication Critical patent/JPH0534305B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compositions Of Oxide Ceramics (AREA)
JP62076464A 1987-03-31 1987-03-31 アルミナセラミックスの製造方法 Granted JPS63242964A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62076464A JPS63242964A (ja) 1987-03-31 1987-03-31 アルミナセラミックスの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62076464A JPS63242964A (ja) 1987-03-31 1987-03-31 アルミナセラミックスの製造方法

Publications (2)

Publication Number Publication Date
JPS63242964A JPS63242964A (ja) 1988-10-07
JPH0534305B2 true JPH0534305B2 (enExample) 1993-05-21

Family

ID=13605886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62076464A Granted JPS63242964A (ja) 1987-03-31 1987-03-31 アルミナセラミックスの製造方法

Country Status (1)

Country Link
JP (1) JPS63242964A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256901A (en) * 1988-12-26 1993-10-26 Ngk Insulators, Ltd. Ceramic package for memory semiconductor
DE69006609T2 (de) * 1989-03-15 1994-06-30 Ngk Insulators Ltd Keramischer Deckel zum Verschliessen eines Halbleiterelements und Verfahren zum Verschliessen eines Halbleiterelements in einer keramischen Packung.
JP2663191B2 (ja) * 1990-03-09 1997-10-15 通商産業省工業技術院長 多結晶アルミナ焼結体の製造方法
EP0494310A4 (en) * 1990-07-18 1992-11-19 Toto Ltd. Variable color lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154413A (en) * 1978-05-08 1979-12-05 Ngk Spark Plug Co Alphaaalumina sintered body production
JPS6045147A (ja) * 1983-08-22 1985-03-11 日東製器株式会社 容器
JPS62187157A (ja) * 1986-02-10 1987-08-15 株式会社ニッカト− アルミナ製粉砕機用部材

Also Published As

Publication number Publication date
JPS63242964A (ja) 1988-10-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term