JPS4921091A - - Google Patents

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Publication number
JPS4921091A
JPS4921091A JP5941572A JP5941572A JPS4921091A JP S4921091 A JPS4921091 A JP S4921091A JP 5941572 A JP5941572 A JP 5941572A JP 5941572 A JP5941572 A JP 5941572A JP S4921091 A JPS4921091 A JP S4921091A
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.)
Pending
Application number
JP5941572A
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 JP5941572A priority Critical patent/JPS4921091A/ja
Publication of JPS4921091A publication Critical patent/JPS4921091A/ja
Pending legal-status Critical Current

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  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP5941572A 1972-06-16 1972-06-16 Pending JPS4921091A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5941572A JPS4921091A (ja) 1972-06-16 1972-06-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5941572A JPS4921091A (ja) 1972-06-16 1972-06-16

Publications (1)

Publication Number Publication Date
JPS4921091A true JPS4921091A (ja) 1974-02-25

Family

ID=13112604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5941572A Pending JPS4921091A (ja) 1972-06-16 1972-06-16

Country Status (1)

Country Link
JP (1) JPS4921091A (ja)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5176312A (ja) * 1974-12-27 1976-07-01 Toshiba Ceramics Co
JPS5275290A (en) * 1975-12-19 1977-06-24 Seiko Instr & Electronics Ltd Tuning fork type crystal resonator
JPS52119198A (en) * 1976-03-31 1977-10-06 Seiko Instr & Electronics Ltd Crystal watch
JPS553398A (en) * 1978-06-15 1980-01-11 Gte Laboratories Inc Method of manufacturing high density silicon nitride having high temperature strength and antiioxidation and containing y203 and al203
JPS5575971A (en) * 1978-11-30 1980-06-07 Tokyo Shibaura Electric Co Ceramic turbine rotor
JPS5673670A (en) * 1979-11-14 1981-06-18 Ford Motor Co Manufacture of high effeciency cutting tool
JPS56100169A (en) * 1980-01-12 1981-08-11 Sumitomo Electric Industries Manufacture of silicon nitride sintered body
JPS5957963A (ja) * 1982-09-27 1984-04-03 日本特殊陶業株式会社 窒化物系セラミツク工具の製造法
JPS609770A (ja) * 1983-06-29 1985-01-18 Kyocera Corp サ−マルヘツド
JPS60235769A (ja) * 1984-05-02 1985-11-22 ザ・モーガン・クルーシブル・カンパニー・ピーエルシー 高密度窒化珪素体
JPS6117473A (ja) * 1985-05-17 1986-01-25 三菱マテリアル株式会社 切削工具用窒化けい素基焼結材料
JPS61201663A (ja) * 1985-02-28 1986-09-06 工業技術院長 繊維組織窒化ケイ素系焼結体の製造方法
US4628039A (en) * 1984-03-06 1986-12-09 Kyocera Corporation Sintered silicon nitride body
JPS62105958A (ja) * 1985-11-01 1987-05-16 工業技術院長 繊維組織窒化ケイ素系焼結体の製造方法
US4795724A (en) * 1986-06-12 1989-01-03 Ngk Insulators, Ltd. Silicon nitride sintered bodies and process for manufacturing the same
JPH01220719A (ja) * 1988-07-05 1989-09-04 Koyo Seiko Co Ltd 転がり軸受
JPH01220718A (ja) * 1988-07-05 1989-09-04 Koyo Seiko Co Ltd 転がり軸受
US5089448A (en) * 1988-08-25 1992-02-18 Honda Giken Kogyo Kabushiki Kaisha Silicon nitride sintered body having excellent high-temperature strength and method of producing same
US5118644A (en) * 1990-05-17 1992-06-02 Ngk Insulators, Ltd. Thermal shock-resistant silicon nitride sintered material
US5173458A (en) * 1990-12-28 1992-12-22 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body and process for producing the same
US5229046A (en) * 1990-05-17 1993-07-20 Ngk Insulators, Ltd. Process for producing thermal shock-resistant silicon nitride sintered material
US5238882A (en) * 1989-05-10 1993-08-24 Ngk Insulators, Ltd. Method of manufacturing silicon nitride sintered bodies
US5275986A (en) * 1991-11-25 1994-01-04 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body
US5275772A (en) * 1991-05-22 1994-01-04 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body and process for producing the same

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581073B2 (ja) * 1974-12-27 1983-01-10 トウシバセラミツクス カブシキガイシヤ チツカケイソシツシヨウケツタイノセイゾウホウホウ
JPS5176312A (ja) * 1974-12-27 1976-07-01 Toshiba Ceramics Co
JPS5275290A (en) * 1975-12-19 1977-06-24 Seiko Instr & Electronics Ltd Tuning fork type crystal resonator
JPS6048928B2 (ja) * 1975-12-19 1985-10-30 セイコーインスツルメンツ株式会社 音叉型水晶振動子
JPS52119198A (en) * 1976-03-31 1977-10-06 Seiko Instr & Electronics Ltd Crystal watch
JPS553398A (en) * 1978-06-15 1980-01-11 Gte Laboratories Inc Method of manufacturing high density silicon nitride having high temperature strength and antiioxidation and containing y203 and al203
JPS627150B2 (ja) * 1978-06-15 1987-02-16 Gte Laboratories Inc
JPS5575971A (en) * 1978-11-30 1980-06-07 Tokyo Shibaura Electric Co Ceramic turbine rotor
JPS5716957B2 (ja) * 1978-11-30 1982-04-08
JPS5673670A (en) * 1979-11-14 1981-06-18 Ford Motor Co Manufacture of high effeciency cutting tool
JPS56100169A (en) * 1980-01-12 1981-08-11 Sumitomo Electric Industries Manufacture of silicon nitride sintered body
JPS6213309B2 (ja) * 1980-01-12 1987-03-25 Sumitomo Electric Industries
JPS5957963A (ja) * 1982-09-27 1984-04-03 日本特殊陶業株式会社 窒化物系セラミツク工具の製造法
JPS609770A (ja) * 1983-06-29 1985-01-18 Kyocera Corp サ−マルヘツド
JPH0583378B2 (ja) * 1983-06-29 1993-11-25 Kyocera Corp
US4628039A (en) * 1984-03-06 1986-12-09 Kyocera Corporation Sintered silicon nitride body
JPS60235769A (ja) * 1984-05-02 1985-11-22 ザ・モーガン・クルーシブル・カンパニー・ピーエルシー 高密度窒化珪素体
JPS61201663A (ja) * 1985-02-28 1986-09-06 工業技術院長 繊維組織窒化ケイ素系焼結体の製造方法
JPS6256106B2 (ja) * 1985-05-17 1987-11-24 Mitsubishi Metal Corp
JPS6117473A (ja) * 1985-05-17 1986-01-25 三菱マテリアル株式会社 切削工具用窒化けい素基焼結材料
JPS62105958A (ja) * 1985-11-01 1987-05-16 工業技術院長 繊維組織窒化ケイ素系焼結体の製造方法
US4795724A (en) * 1986-06-12 1989-01-03 Ngk Insulators, Ltd. Silicon nitride sintered bodies and process for manufacturing the same
JPH01220719A (ja) * 1988-07-05 1989-09-04 Koyo Seiko Co Ltd 転がり軸受
JPH01220718A (ja) * 1988-07-05 1989-09-04 Koyo Seiko Co Ltd 転がり軸受
US5089448A (en) * 1988-08-25 1992-02-18 Honda Giken Kogyo Kabushiki Kaisha Silicon nitride sintered body having excellent high-temperature strength and method of producing same
US5238882A (en) * 1989-05-10 1993-08-24 Ngk Insulators, Ltd. Method of manufacturing silicon nitride sintered bodies
US5229046A (en) * 1990-05-17 1993-07-20 Ngk Insulators, Ltd. Process for producing thermal shock-resistant silicon nitride sintered material
US5118644A (en) * 1990-05-17 1992-06-02 Ngk Insulators, Ltd. Thermal shock-resistant silicon nitride sintered material
US5173458A (en) * 1990-12-28 1992-12-22 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body and process for producing the same
US5275772A (en) * 1991-05-22 1994-01-04 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body and process for producing the same
US5275986A (en) * 1991-11-25 1994-01-04 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body

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