JPS6247815A - 溝構造磁性基板の製造方法 - Google Patents

溝構造磁性基板の製造方法

Info

Publication number
JPS6247815A
JPS6247815A JP18817585A JP18817585A JPS6247815A JP S6247815 A JPS6247815 A JP S6247815A JP 18817585 A JP18817585 A JP 18817585A JP 18817585 A JP18817585 A JP 18817585A JP S6247815 A JPS6247815 A JP S6247815A
Authority
JP
Japan
Prior art keywords
substrate
alumina
magnetic
groove
layer
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
JP18817585A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0364928B2 (enrdf_load_stackoverflow
Inventor
Toshiaki Wada
和田　俊朗
Yoshiaki Katsuyama
勝山　義昭
Junichi Nakaoka
潤一 中岡
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.)
Proterial Ltd
Original Assignee
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 Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP18817585A priority Critical patent/JPS6247815A/ja
Priority to US06/888,873 priority patent/US4777074A/en
Publication of JPS6247815A publication Critical patent/JPS6247815A/ja
Priority to US07/213,234 priority patent/US4875987A/en
Publication of JPH0364928B2 publication Critical patent/JPH0364928B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
JP18817585A 1985-08-12 1985-08-26 溝構造磁性基板の製造方法 Granted JPS6247815A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP18817585A JPS6247815A (ja) 1985-08-26 1985-08-26 溝構造磁性基板の製造方法
US06/888,873 US4777074A (en) 1985-08-12 1986-07-24 Grooved magnetic substrates and method for producing the same
US07/213,234 US4875987A (en) 1985-08-12 1988-06-29 Grooved magnetic substrates and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18817585A JPS6247815A (ja) 1985-08-26 1985-08-26 溝構造磁性基板の製造方法

Publications (2)

Publication Number Publication Date
JPS6247815A true JPS6247815A (ja) 1987-03-02
JPH0364928B2 JPH0364928B2 (enrdf_load_stackoverflow) 1991-10-09

Family

ID=16219072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18817585A Granted JPS6247815A (ja) 1985-08-12 1985-08-26 溝構造磁性基板の製造方法

Country Status (1)

Country Link
JP (1) JPS6247815A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0364928B2 (enrdf_load_stackoverflow) 1991-10-09

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