SE307249B - - Google Patents

Info

Publication number
SE307249B
SE307249B SE2544/64A SE254464A SE307249B SE 307249 B SE307249 B SE 307249B SE 2544/64 A SE2544/64 A SE 2544/64A SE 254464 A SE254464 A SE 254464A SE 307249 B SE307249 B SE 307249B
Authority
SE
Sweden
Application number
SE2544/64A
Inventor
M Vrolijks
J Koorneef
Original Assignee
Philips Nv
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 Nv filed Critical Philips Nv
Publication of SE307249B publication Critical patent/SE307249B/xx

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
SE2544/64A 1963-03-05 1964-03-02 SE307249B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL63289815A NL145078B (nl) 1963-03-05 1963-03-05 Werkwijze voor het vervaardigen van voorstukken voor magnegrafoonkoppen.

Publications (1)

Publication Number Publication Date
SE307249B true SE307249B (de) 1968-12-23

Family

ID=19754478

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2544/64A SE307249B (de) 1963-03-05 1964-03-02

Country Status (8)

Country Link
US (1) US3333332A (de)
AT (1) AT242391B (de)
CH (1) CH417993A (de)
DK (1) DK108980C (de)
ES (1) ES297165A1 (de)
GB (1) GB1009320A (de)
NL (1) NL145078B (de)
SE (1) SE307249B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
US3943624A (en) * 1975-01-24 1976-03-16 U. S. Philips Corporation Method of manufacturing a magnetic head
US4106173A (en) * 1975-06-13 1978-08-15 Olympus Optical Co., Ltd. Method of manufacturing magnetic heads
US4182643A (en) * 1977-07-05 1980-01-08 Control Data Corporation Method of forming gaps in magnetic heads
US4325093A (en) * 1979-06-04 1982-04-13 Texas Instruments Incorporated Magnetic head transducer having enhanced signal output and manufacturing method therefor
JP3858993B2 (ja) * 2002-10-15 2006-12-20 船井電機株式会社 磁気消去ヘッド用フロントコアの製造方法及びその方法で製造された磁気消去ヘッド用フロントコア
US20060060139A1 (en) * 2004-04-12 2006-03-23 Mks Instruments, Inc. Precursor gas delivery with carrier gas mixing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117367A (en) * 1958-07-03 1964-01-14 Philips Corp Method of manufactuirng a magnetic head having a glass spacer
US2980988A (en) * 1959-01-05 1961-04-25 Minnesota Mining & Mfg Method of fabricating tubes
NL288321A (de) * 1962-05-08

Also Published As

Publication number Publication date
AT242391B (de) 1965-09-10
NL145078B (nl) 1975-02-17
GB1009320A (en) 1965-11-10
DK108980C (da) 1968-03-04
ES297165A1 (es) 1964-08-16
US3333332A (en) 1967-08-01
CH417993A (de) 1966-07-31

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