JPH0416842B2 - - Google Patents

Info

Publication number
JPH0416842B2
JPH0416842B2 JP57001649A JP164982A JPH0416842B2 JP H0416842 B2 JPH0416842 B2 JP H0416842B2 JP 57001649 A JP57001649 A JP 57001649A JP 164982 A JP164982 A JP 164982A JP H0416842 B2 JPH0416842 B2 JP H0416842B2
Authority
JP
Japan
Prior art keywords
gap forming
core
magnetic head
forming surface
ion beam
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
JP57001649A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58121124A (ja
Inventor
Yoshiaki Shimizu
Masaru Doi
Takao Yamano
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP164982A priority Critical patent/JPS58121124A/ja
Publication of JPS58121124A publication Critical patent/JPS58121124A/ja
Publication of JPH0416842B2 publication Critical patent/JPH0416842B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23—Gap features
    • G11B5/232—Manufacture of gap

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP164982A 1982-01-07 1982-01-07 磁気ヘツドの製造方法 Granted JPS58121124A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP164982A JPS58121124A (ja) 1982-01-07 1982-01-07 磁気ヘツドの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP164982A JPS58121124A (ja) 1982-01-07 1982-01-07 磁気ヘツドの製造方法

Publications (2)

Publication Number Publication Date
JPS58121124A JPS58121124A (ja) 1983-07-19
JPH0416842B2 true JPH0416842B2 (enrdf_load_stackoverflow) 1992-03-25

Family

ID=11507359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP164982A Granted JPS58121124A (ja) 1982-01-07 1982-01-07 磁気ヘツドの製造方法

Country Status (1)

Country Link
JP (1) JPS58121124A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60211608A (ja) * 1984-04-04 1985-10-24 Seiko Epson Corp 磁気ヘツドの製造方法
US6771462B1 (en) 1999-09-20 2004-08-03 Seagate Technology Llc Perpendicular recording head including concave tip
US6865056B1 (en) 1999-10-05 2005-03-08 Seagate Technology Llc Longitudinal magnetic recording heads with variable-length gaps
DE60006984D1 (de) * 1999-10-05 2004-01-15 Seagate Technology Llc Magnetköpfe mit längenveränderlicher spalte für longitudinale aufzeichnung
US6707642B1 (en) 2000-02-04 2004-03-16 Seagate Technology Llc Longitudinal magnetic recording head with reduced side fringing
JP4130868B2 (ja) * 2001-03-19 2008-08-06 株式会社日立グローバルストレージテクノロジーズ 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51148412A (en) * 1975-06-16 1976-12-20 Mitsumi Electric Co Ltd Head-core and its production method
JPS52153715A (en) * 1976-06-16 1977-12-21 Matsushita Electric Ind Co Ltd Magnetic head manufacture
JPS5311012A (en) * 1976-07-16 1978-02-01 Matsushita Electric Ind Co Ltd Production of magnetic head

Also Published As

Publication number Publication date
JPS58121124A (ja) 1983-07-19

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