JPS6489406A - Manufacture of substrate material for thin film magnetic head - Google Patents

Manufacture of substrate material for thin film magnetic head

Info

Publication number
JPS6489406A
JPS6489406A JP62246214A JP24621487A JPS6489406A JP S6489406 A JPS6489406 A JP S6489406A JP 62246214 A JP62246214 A JP 62246214A JP 24621487 A JP24621487 A JP 24621487A JP S6489406 A JPS6489406 A JP S6489406A
Authority
JP
Japan
Prior art keywords
improved
thin film
magnetic head
film magnetic
machinability
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.)
Granted
Application number
JP62246214A
Other languages
Japanese (ja)
Other versions
JP2571070B2 (en
Inventor
Hiroshi Hagiya
Yukio Nagayama
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.)
Tokin Corp
Original Assignee
Tokin Corp
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 Tokin Corp filed Critical Tokin Corp
Priority to JP62246214A priority Critical patent/JP2571070B2/en
Publication of JPS6489406A publication Critical patent/JPS6489406A/en
Application granted granted Critical
Publication of JP2571070B2 publication Critical patent/JP2571070B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)

Abstract

PURPOSE:To obtain a substrate material for a thin film magnetic head, which can improve hard sintering property and hard machinability, by adding the oxide of a specified rare earth material into a main component, which includes TiC and comprises Al2O3 for the remaining part, performing CIP treatment for these compositions, and thereafter performing sintering and HIP treatment. CONSTITUTION:A main component comprises 15-60wt.% TiC and Al2O3 for the remaining part. One or more kinds of Sc2O3, La2O3, CeO2, Pr6O11, Sm2O3, Tm2O3, Yb2O3 and Lu2O3 of 1-10wt.% among the oxides of rare earth materials is added to 100wt.% of the main component. Since wettability between Al2O3 and TiC is improved, sintering property is also improved. When an additive of 1-5wt.%, which indicates the grain growth aligning effect of one or more kinds of Cr2O3, TiO2, Y2O3 and MgO, is added, machinability is improved as a small grain diameter organization. When Si3N4 is further added, mechanical strength is improved. When this composition undergoes CIP treatment, the sintering temperature and the HIP treatment temperature in the succeeding steps are decreased. Thus, the uniform organization having a small grain diameter is obtained, and a substrate material for a thin film magnetic head having excellent sintering property and machinability can be formed.
JP62246214A 1987-09-30 1987-09-30 Method of manufacturing substrate material for thin film magnetic head Expired - Fee Related JP2571070B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62246214A JP2571070B2 (en) 1987-09-30 1987-09-30 Method of manufacturing substrate material for thin film magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62246214A JP2571070B2 (en) 1987-09-30 1987-09-30 Method of manufacturing substrate material for thin film magnetic head

Publications (2)

Publication Number Publication Date
JPS6489406A true JPS6489406A (en) 1989-04-03
JP2571070B2 JP2571070B2 (en) 1997-01-16

Family

ID=17145215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62246214A Expired - Fee Related JP2571070B2 (en) 1987-09-30 1987-09-30 Method of manufacturing substrate material for thin film magnetic head

Country Status (1)

Country Link
JP (1) JP2571070B2 (en)

Also Published As

Publication number Publication date
JP2571070B2 (en) 1997-01-16

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees