NL288321A - - Google Patents

Info

Publication number
NL288321A
NL288321A NL288321DA NL288321A NL 288321 A NL288321 A NL 288321A NL 288321D A NL288321D A NL 288321DA NL 288321 A NL288321 A NL 288321A
Authority
NL
Netherlands
Application number
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.)
Family has litigation
Publication of NL288321A publication Critical patent/NL288321A/xx
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19753808&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL288321(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

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
    • 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
    • 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
    • Y10T29/49057—Using glass bonding material
    • 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
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL288321D 1962-05-08 NL288321A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL278197 1962-05-08

Publications (1)

Publication Number Publication Date
NL288321A true NL288321A (xx)

Family

ID=19753808

Family Applications (2)

Application Number Title Priority Date Filing Date
NL278197D NL278197A (xx) 1962-05-08
NL288321D NL288321A (xx) 1962-05-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL278197D NL278197A (xx) 1962-05-08

Country Status (3)

Country Link
US (1) US3246383A (xx)
DE (1) DE1215765B (xx)
NL (2) NL288321A (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112258C (xx) * 1955-10-04
US3494026A (en) * 1962-08-13 1970-02-10 Matsushita Electric Ind Co Ltd Methods for manufacturing magnetic heads
NL145078B (nl) * 1963-03-05 1975-02-17 Philips Nv Werkwijze voor het vervaardigen van voorstukken voor magnegrafoonkoppen.
NL144749B (nl) * 1964-12-31 1975-01-15 Philips Nv Werkwijze voor het vervaardigen van een magneetkop en magneetkop vervaardigd onder toepassing van deze werkwijze.
NL146311B (nl) * 1965-04-22 1975-06-16 Philips Nv Werkwijze voor het vervaardigen van een dubbelspleets-magneetkop en dubbelspleets-magneetkop volgens deze werkwijze vervaardigd.
US3384954A (en) * 1965-12-07 1968-05-28 Ibm Making multitrack magnetic transducer
US3543396A (en) * 1967-01-17 1970-12-01 Zbigniew Illg Method of multi-track,two-gap,ferrite magnetic heads designed especially for digital recording
US3597836A (en) * 1968-05-21 1971-08-10 Matsushita Electric Ind Co Ltd Method of manufacturing a multichannel magnetic head
NL162495C (nl) * 1969-03-10 Matsushita Electric Ind Co Ltd Meerkanaals magneetkop.
US3688056A (en) * 1970-05-21 1972-08-29 Honeywell Inc Magnetic transducer heads
US3813693A (en) * 1970-08-28 1974-05-28 Ampex Magnetic head with protective pockets of glass adjacent the corners of the gap
US3706132A (en) * 1970-11-19 1972-12-19 Rca Corp Magnetic transducer fabrication technique
US3750274A (en) * 1971-05-28 1973-08-07 Texas Instruments Inc Method of making glass bonded recording heads
US3819348A (en) * 1971-07-26 1974-06-25 Potter Instrument Co Inc Simplified method for bonding ferrite cores
US3845550A (en) * 1972-06-23 1974-11-05 Ampex Method of manufacturing a magnetic head
US4325093A (en) * 1979-06-04 1982-04-13 Texas Instruments Incorporated Magnetic head transducer having enhanced signal output and manufacturing method therefor
US5353183A (en) * 1990-12-07 1994-10-04 Eastman Kodak Company Magnetic head assembly formed cooperating head sections bonded together using capillary attraction
US5173824A (en) * 1990-12-07 1992-12-22 Eastman Kodak Company Magnetic head assembly
US5759418A (en) * 1996-06-14 1998-06-02 International Business Machines Corporation Adhesively attached hard disk head suspension and etching process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346555A (en) * 1937-10-09 1944-04-11 Weston Electrical Instr Corp Method of producing magnetic structures
US2728054A (en) * 1951-09-20 1955-12-20 Steatite Res Corp Ferromagnetic ceramic inductance core
US3094772A (en) * 1956-07-26 1963-06-25 Philips Corp Method of producing magnetic heads with accurately predetermined gap heights
US3117367A (en) * 1958-07-03 1964-01-14 Philips Corp Method of manufactuirng a magnetic head having a glass spacer
US3079470A (en) * 1959-12-21 1963-02-26 Armour Res Found Magnetic transducer head

Also Published As

Publication number Publication date
US3246383A (en) 1966-04-19
NL278197A (xx)
DE1215765B (de) 1966-05-05

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