GB1024987A - Improvements in or relating to multiple magnetic heads and to a method of making said heads - Google Patents

Improvements in or relating to multiple magnetic heads and to a method of making said heads

Info

Publication number
GB1024987A
GB1024987A GB40709/64A GB4070964A GB1024987A GB 1024987 A GB1024987 A GB 1024987A GB 40709/64 A GB40709/64 A GB 40709/64A GB 4070964 A GB4070964 A GB 4070964A GB 1024987 A GB1024987 A GB 1024987A
Authority
GB
United Kingdom
Prior art keywords
elements
enamel
silver
sub
pbo
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
GB40709/64A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1024987A publication Critical patent/GB1024987A/en
Expired 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • 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
    • Y10T29/4906—Providing winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Glass Compositions (AREA)
GB40709/64A 1963-10-09 1964-10-06 Improvements in or relating to multiple magnetic heads and to a method of making said heads Expired GB1024987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL63299035A NL148425B (nl) 1963-10-09 1963-10-09 Werkwijze voor het vervaardigen van een dubbelspleets-meerkanaalsmagneetkop, alsmede dubbelspleets-meerkanaalsmagneetkop vervaardigd volgens de werkwijze.

Publications (1)

Publication Number Publication Date
GB1024987A true GB1024987A (en) 1966-04-06

Family

ID=19755125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40709/64A Expired GB1024987A (en) 1963-10-09 1964-10-06 Improvements in or relating to multiple magnetic heads and to a method of making said heads

Country Status (7)

Country Link
US (1) US3529349A (enExample)
AT (1) AT250046B (enExample)
BE (1) BE654099A (enExample)
DE (1) DE1447138B2 (enExample)
GB (1) GB1024987A (enExample)
NL (2) NL148425B (enExample)
SE (1) SE315631B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276692A (en) * 1968-06-26 1972-06-07 Tokyo Shibaura Electric Co A magnetic head and a method for manufacturing the same
US3912483A (en) * 1968-09-25 1975-10-14 Matsushita Electric Industrial Co Ltd Method of making a magnetic head
US3662122A (en) * 1969-12-04 1972-05-09 Sperry Rand Corp Wide-record narrow-read laminated magnetic head
US3655923A (en) * 1970-02-02 1972-04-11 Ceramic Magnetics Inc Preformed multiple track magnetic head assembly
US3639701A (en) * 1970-07-02 1972-02-01 Ibm Magnetic recording head having a nonmagnetic ferrite gap
US3767497A (en) * 1971-12-23 1973-10-23 A Sommer Method of manufacturing a magnetic recorder head
US3803875A (en) * 1973-02-05 1974-04-16 Bendix Corp Method of forming titanium metal-glass hermetic seals
US3909932A (en) * 1973-10-23 1975-10-07 Ampex Method of manufacturing a multitrack magnetic head
US4001890A (en) * 1974-08-05 1977-01-04 Honeywell Information Systems, Inc. Double chip flying head
US4124874A (en) * 1976-09-02 1978-11-07 Bell & Howell Company Magnetic information transducer assembly
GB1570126A (en) * 1977-03-15 1980-06-25 Data Recording Instr Co Manufacture of magnetic heads
US5013347A (en) * 1989-06-29 1991-05-07 Microelectronic Packaging Inc. Glass bonding method
JP2004164755A (ja) * 2002-11-13 2004-06-10 Sony Corp 磁気ヘッド装置及び磁気記録再生装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024318A (en) * 1955-10-04 1962-03-06 Philips Corp Glass gap spacer for magnetic heads
US2922231A (en) * 1956-04-26 1960-01-26 Ibm Magnetic transducer
US3064333A (en) * 1959-06-29 1962-11-20 Ibm Method of making a magnetic transducer
US3238603A (en) * 1961-10-26 1966-03-08 Burroughs Corp Method of manufacturing a magnetic transducer
US3252153A (en) * 1962-10-01 1966-05-17 Cons Electrodynamics Corp Cross-feed shield

Also Published As

Publication number Publication date
NL148425B (nl) 1976-01-15
DE1447138A1 (de) 1969-01-02
SE315631B (enExample) 1969-10-06
AT250046B (de) 1966-10-25
BE654099A (enExample) 1965-04-07
DE1447138B2 (de) 1976-10-28
NL299035A (enExample)
US3529349A (en) 1970-09-22

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