JPH066798B2 - 磁気ヘツド用コアの製造方法 - Google Patents

磁気ヘツド用コアの製造方法

Info

Publication number
JPH066798B2
JPH066798B2 JP62045629A JP4562987A JPH066798B2 JP H066798 B2 JPH066798 B2 JP H066798B2 JP 62045629 A JP62045629 A JP 62045629A JP 4562987 A JP4562987 A JP 4562987A JP H066798 B2 JPH066798 B2 JP H066798B2
Authority
JP
Japan
Prior art keywords
laser
magnetic head
track
processing
core
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
JP62045629A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6345387A (ja
Inventor
正平 長友
幹夫 高井
秀人 三大寺
荘司 大原
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.)
DEI ESU SUKYANAA KK
NIPPON GAISHI KK
Original Assignee
DEI ESU SUKYANAA KK
NIPPON GAISHI KK
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 DEI ESU SUKYANAA KK, NIPPON GAISHI KK filed Critical DEI ESU SUKYANAA KK
Priority to US07/031,768 priority Critical patent/US4751779A/en
Priority to KR1019870003142A priority patent/KR920004216B1/ko
Publication of JPS6345387A publication Critical patent/JPS6345387A/ja
Publication of JPH066798B2 publication Critical patent/JPH066798B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y10T29/4905—Employing workholding means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • ing And Chemical Polishing (AREA)
JP62045629A 1986-04-02 1987-02-27 磁気ヘツド用コアの製造方法 Expired - Lifetime JPH066798B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US07/031,768 US4751779A (en) 1986-04-02 1987-03-30 Method of producing a core for magnetic head
KR1019870003142A KR920004216B1 (ko) 1986-04-02 1987-04-02 자기헤드용 코어 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7588886 1986-04-02
JP61-75888 1986-04-02

Publications (2)

Publication Number Publication Date
JPS6345387A JPS6345387A (ja) 1988-02-26
JPH066798B2 true JPH066798B2 (ja) 1994-01-26

Family

ID=13589288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62045629A Expired - Lifetime JPH066798B2 (ja) 1986-04-02 1987-02-27 磁気ヘツド用コアの製造方法

Country Status (2)

Country Link
JP (1) JPH066798B2 (ko)
KR (1) KR920004216B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689460B2 (ja) * 1988-03-02 1994-11-09 日本碍子株式会社 磁気ヘッド用コアの製造方法
KR100363235B1 (ko) * 1995-02-28 2003-02-19 삼성전자 주식회사 자기헤드의제조방법

Also Published As

Publication number Publication date
JPS6345387A (ja) 1988-02-26
KR920004216B1 (ko) 1992-05-30
KR870010489A (ko) 1987-11-30

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