GB1549477A - Methods of producing integrated magnetic head structures - Google Patents

Methods of producing integrated magnetic head structures

Info

Publication number
GB1549477A
GB1549477A GB32678/77A GB3267877A GB1549477A GB 1549477 A GB1549477 A GB 1549477A GB 32678/77 A GB32678/77 A GB 32678/77A GB 3267877 A GB3267877 A GB 3267877A GB 1549477 A GB1549477 A GB 1549477A
Authority
GB
United Kingdom
Prior art keywords
methods
magnetic head
integrated magnetic
head structures
producing integrated
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
Application number
GB32678/77A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1549477A publication Critical patent/GB1549477A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • 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]
    • 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)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
GB32678/77A 1977-05-11 1977-08-04 Methods of producing integrated magnetic head structures Expired GB1549477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772721201 DE2721201A1 (de) 1977-05-11 1977-05-11 Verfahren zur herstellung integrierter magnetkopfstrukturen

Publications (1)

Publication Number Publication Date
GB1549477A true GB1549477A (en) 1979-08-08

Family

ID=6008632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32678/77A Expired GB1549477A (en) 1977-05-11 1977-08-04 Methods of producing integrated magnetic head structures

Country Status (9)

Country Link
US (1) US4192985A (enExample)
JP (1) JPS53139515A (enExample)
AT (1) AT348281B (enExample)
BE (1) BE859755A (enExample)
CH (1) CH624504A5 (enExample)
DE (1) DE2721201A1 (enExample)
GB (1) GB1549477A (enExample)
IT (1) IT1086962B (enExample)
NL (1) NL7711323A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425701A (en) 1980-10-17 1984-01-17 Matsushita Electric Industrial Co., Ltd. Methods of making magnetic recording heads
US4436593A (en) * 1981-07-13 1984-03-13 Memorex Corporation Self-aligned pole tips
US4418472A (en) * 1981-11-23 1983-12-06 Xerox Corporation Method of delineating thin film magnetic head arrays
NL8200531A (nl) * 1982-02-12 1983-09-01 Philips Nv Magneetkop met gedeeltelijk uitgeetste wikkelopening.
JPS60133516A (ja) * 1983-12-22 1985-07-16 Hitachi Ltd 薄膜磁気ヘツドの製造方法
US4878290A (en) * 1989-02-13 1989-11-07 International Business Machines Corporation Method for making thin film magnetic head
DE69117323T2 (de) 1990-04-16 1996-07-11 Hitachi Ltd Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren
US6651313B1 (en) * 2000-10-06 2003-11-25 International Business Machines Corporation Method for manufacturing a magnetic head
US7086139B2 (en) * 2004-04-30 2006-08-08 Hitachi Global Storage Technologies Netherlands B.V. Methods of making magnetic write heads using electron beam lithography

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514851A (en) * 1967-04-03 1970-06-02 Control Data Corp Method of manufacturing a magnetic head structure
FR2209154B1 (enExample) * 1972-07-03 1975-04-11 Cii
FR2297475A1 (fr) * 1975-01-10 1976-08-06 Cii Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre "
US4017965A (en) * 1975-06-16 1977-04-19 Burroughs Corporation Method of making a transducer head with narrow core structure

Also Published As

Publication number Publication date
US4192985A (en) 1980-03-11
AT348281B (de) 1979-02-12
CH624504A5 (enExample) 1981-07-31
NL7711323A (nl) 1978-11-14
JPS53139515A (en) 1978-12-05
DE2721201A1 (de) 1978-11-16
ATA530577A (de) 1978-06-15
IT1086962B (it) 1985-05-31
BE859755A (fr) 1978-04-14

Similar Documents

Publication Publication Date Title
JPS53141016A (en) Integrated magnetic head structure and making method thereof
JPS53139515A (en) Method of making integrated magnetic head structure
JPS5355012A (en) Multiitrack magnetic head and method of producing same
JPS53135969A (en) Method of producing cycloenamide
GB2009483B (en) Magnetic erase head and method of producing same
JPS53125812A (en) Method of making magnetic pole piece for magnetic head
JPS5415703A (en) Method of producing head shell
JPS5439612A (en) Method of producing magnetic head
JPS5481807A (en) Method of producing magnetic record
JPS53112714A (en) Method of making multiichannel magnetic head
JPS5426713A (en) Method of producing magnetic head
JPS5392536A (en) Method of producing lattice body
JPS53148418A (en) Method of making multiichannel magnetic head
JPS5284721A (en) Method of producing magnetic head
JPS5491759A (en) Method of producing coil
GB2003140B (en) Method of producing n-formylamine
JPS53117444A (en) Method of producing
JPS53110161A (en) Method of producing metallmade vacuummbottle
JPS5428110A (en) Method of producing magnetic head
JPS52100218A (en) Method of producing magnetic head
JPS5479019A (en) Magnetic head and method of producing same
JPS53140220A (en) Method of producing feecrrco based permant magnet
JPS52106714A (en) Magnetic head and method of producing same
JPS53141276A (en) Method of producing vintlpyridines
JPS53110162A (en) Method of producing metallmade vacuummbottle

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee