ES297165A1 - Metodo de fabricaciën de partes de cabezales magneticos anulares - Google Patents

Metodo de fabricaciën de partes de cabezales magneticos anulares

Info

Publication number
ES297165A1
ES297165A1 ES0297165A ES297165A ES297165A1 ES 297165 A1 ES297165 A1 ES 297165A1 ES 0297165 A ES0297165 A ES 0297165A ES 297165 A ES297165 A ES 297165A ES 297165 A1 ES297165 A1 ES 297165A1
Authority
ES
Spain
Prior art keywords
parts
air gap
enamel
glass
translation
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
ES0297165A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES297165A1 publication Critical patent/ES297165A1/es
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
    • G11B5/187—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)
ES0297165A 1963-03-05 1964-03-03 Metodo de fabricaciën de partes de cabezales magneticos anulares Expired ES297165A1 (es)

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
ES297165A1 true ES297165A1 (es) 1964-08-16

Family

ID=19754478

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0297165A Expired ES297165A1 (es) 1963-03-05 1964-03-03 Metodo de fabricaciën de partes de cabezales magneticos anulares

Country Status (8)

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

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
NL278197A (es) * 1962-05-08

Also Published As

Publication number Publication date
GB1009320A (en) 1965-11-10
NL145078B (nl) 1975-02-17
AT242391B (de) 1965-09-10
SE307249B (es) 1968-12-23
CH417993A (de) 1966-07-31
DK108980C (da) 1968-03-04
US3333332A (en) 1967-08-01

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