JPS57135772A - Material for alumina magnetic head - Google Patents

Material for alumina magnetic head

Info

Publication number
JPS57135772A
JPS57135772A JP56002297A JP229781A JPS57135772A JP S57135772 A JPS57135772 A JP S57135772A JP 56002297 A JP56002297 A JP 56002297A JP 229781 A JP229781 A JP 229781A JP S57135772 A JPS57135772 A JP S57135772A
Authority
JP
Japan
Prior art keywords
magnetic head
alumina magnetic
alumina
head
magnetic
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
JP56002297A
Other languages
Japanese (ja)
Inventor
Michito Miyahara
Toshiaki Wada
Mitsuhiko Furukawa
Kiyohito Misumi
Masaharu Shiroyama
Takashi Kitahira
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.)
Nippon Tungsten Co Ltd
Proterial Ltd
Original Assignee
Nippon Tungsten Co Ltd
Sumitomo Special Metals Co 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 Nippon Tungsten Co Ltd, Sumitomo Special Metals Co Ltd filed Critical Nippon Tungsten Co Ltd
Priority to JP56002297A priority Critical patent/JPS57135772A/en
Publication of JPS57135772A publication Critical patent/JPS57135772A/en
Priority to US06/639,216 priority patent/US4582812A/en
Pending legal-status Critical Current

Links

JP56002297A 1981-01-09 1981-01-09 Material for alumina magnetic head Pending JPS57135772A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56002297A JPS57135772A (en) 1981-01-09 1981-01-09 Material for alumina magnetic head
US06/639,216 US4582812A (en) 1981-01-09 1984-08-09 Aluminum oxide substrate material for magnetic head and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56002297A JPS57135772A (en) 1981-01-09 1981-01-09 Material for alumina magnetic head

Publications (1)

Publication Number Publication Date
JPS57135772A true JPS57135772A (en) 1982-08-21

Family

ID=11525425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56002297A Pending JPS57135772A (en) 1981-01-09 1981-01-09 Material for alumina magnetic head

Country Status (1)

Country Link
JP (1) JPS57135772A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60183709A (en) * 1984-03-01 1985-09-19 Matsushita Electric Ind Co Ltd Substrate for thin film magnetic head
US4650774A (en) * 1984-12-29 1987-03-17 Tdk Corporation Magnetic head slider material
US4660114A (en) * 1984-02-15 1987-04-21 Sumitomo Electric Industries, Ltd. Thin film magnetic heads and substrates therefore
JPS62128006A (en) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd Substrate material for magnetic head
JPS632855A (en) * 1986-06-20 1988-01-07 ティーディーケイ株式会社 Ceramic material
JPS638258A (en) * 1986-06-26 1988-01-14 ティーディーケイ株式会社 Ceramic material
JPS638257A (en) * 1986-06-25 1988-01-14 ティーディーケイ株式会社 Ceramic material
JPS6390016A (en) * 1986-10-01 1988-04-20 Tokin Corp Substrate material for thin film magnetic head

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660114A (en) * 1984-02-15 1987-04-21 Sumitomo Electric Industries, Ltd. Thin film magnetic heads and substrates therefore
JPS60183709A (en) * 1984-03-01 1985-09-19 Matsushita Electric Ind Co Ltd Substrate for thin film magnetic head
US4650774A (en) * 1984-12-29 1987-03-17 Tdk Corporation Magnetic head slider material
JPS62128006A (en) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd Substrate material for magnetic head
JPS632855A (en) * 1986-06-20 1988-01-07 ティーディーケイ株式会社 Ceramic material
JPH062616B2 (en) * 1986-06-20 1994-01-12 ティーディーケイ株式会社 Ceramic material for magnetic head slider
JPS638257A (en) * 1986-06-25 1988-01-14 ティーディーケイ株式会社 Ceramic material
JPH062617B2 (en) * 1986-06-25 1994-01-12 ティーディーケイ株式会社 Ceramic material for magnetic head slider
JPS638258A (en) * 1986-06-26 1988-01-14 ティーディーケイ株式会社 Ceramic material
JPH062618B2 (en) * 1986-06-26 1994-01-12 ティーディーケイ株式会社 Ceramic material for magnetic head slider
JPS6390016A (en) * 1986-10-01 1988-04-20 Tokin Corp Substrate material for thin film magnetic head
JPH0373044B2 (en) * 1986-10-01 1991-11-20 Tokin Corp

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