FR1492718A - Procédé de formation d'un entrefer par remplissage de verre - Google Patents

Procédé de formation d'un entrefer par remplissage de verre

Info

Publication number
FR1492718A
FR1492718A FR8026A FR06008026A FR1492718A FR 1492718 A FR1492718 A FR 1492718A FR 8026 A FR8026 A FR 8026A FR 06008026 A FR06008026 A FR 06008026A FR 1492718 A FR1492718 A FR 1492718A
Authority
FR
France
Prior art keywords
forming
air gap
filling glass
filling
glass
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
FR8026A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1492718A publication Critical patent/FR1492718A/fr
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
    • G11B5/235—Selection of material for gap filler
    • 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
    • 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)
FR8026A 1965-10-08 1966-09-12 Procédé de formation d'un entrefer par remplissage de verre Expired FR1492718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49414065A 1965-10-08 1965-10-08

Publications (1)

Publication Number Publication Date
FR1492718A true FR1492718A (fr) 1967-08-18

Family

ID=23963209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026A Expired FR1492718A (fr) 1965-10-08 1966-09-12 Procédé de formation d'un entrefer par remplissage de verre

Country Status (2)

Country Link
US (1) US3458926A (fr)
FR (1) FR1492718A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865916A (fr) * 1971-12-10 1973-09-10
JPS5038017B1 (fr) * 1969-10-30 1975-12-06
JPS5128013B1 (fr) * 1970-06-02 1976-08-16
JPS5128011B1 (fr) * 1970-06-02 1976-08-16
JPS5128014B1 (fr) * 1970-06-02 1976-08-16
JPS5129404B1 (fr) * 1970-06-02 1976-08-25

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562444A (en) * 1968-02-29 1971-02-09 Ibm Recording head assembly
US3639976A (en) * 1968-02-29 1972-02-08 Ibm Method of mounting a ferrite head
GB1227704A (fr) * 1968-03-15 1971-04-07
US3634933A (en) * 1968-05-01 1972-01-18 Rca Corp Magnetic head method
US3579214A (en) * 1968-06-17 1971-05-18 Ibm Multichannel magnetic head with common leg
US3601871A (en) * 1968-09-30 1971-08-31 Texas Instruments Inc Method for fabricating magnetic read-write head array and product
US3839784A (en) * 1968-09-30 1974-10-08 Texas Instruments Inc Method for fabricating magnetic read-write head array and product
US3656229A (en) * 1968-11-08 1972-04-18 Hitachi Ltd Process for producing magnetic head
US3688056A (en) * 1970-05-21 1972-08-29 Honeywell Inc Magnetic transducer heads
US3807043A (en) * 1970-06-02 1974-04-30 Matsushita Electric Ind Co Ltd Method for making magnetic head composed of ferrite
US3795954A (en) * 1971-11-26 1974-03-12 Honeywell Inf Systems Method of making a micro-gap magnetic recording head
US3824685A (en) * 1972-02-14 1974-07-23 Bell & Howell Co Method of making a ferrite head
US4048714A (en) * 1975-06-12 1977-09-20 Huntt Robert L Glass bonding of manganese-zinc ferrite
GB1572049A (en) * 1977-03-15 1980-07-23 Data Recording Instr Co Magnetic transducing heads
US4182643A (en) * 1977-07-05 1980-01-08 Control Data Corporation Method of forming gaps in magnetic heads
JPS5827565B2 (ja) * 1977-09-19 1983-06-10 松下電器産業株式会社 磁気ヘッドおよびその製造方法
US4325093A (en) * 1979-06-04 1982-04-13 Texas Instruments Incorporated Magnetic head transducer having enhanced signal output and manufacturing method therefor
ATE7431T1 (de) * 1980-02-07 1984-05-15 Matsushita Electric Industrial Co., Ltd. Verfahren zur bildung eines glaesernen abstandstuecks in der magnetspalte eines magnetkopfes.
NL8003518A (nl) * 1980-06-18 1982-01-18 Philips Nv Magneetkop, werkwijze voor het vervaardigen van een magneetkop.
US4544974A (en) * 1983-10-20 1985-10-01 Eastman Kodak Company Alumina glass composition and magnetic head incorporating same
US4536270A (en) * 1983-11-28 1985-08-20 Magnetic Peripherals Apparatus and method for shielding magnetic heads during a sputtering operation
US5090933A (en) * 1990-05-08 1992-02-25 Zenith Electronics Corporation Provision of support for tension shadow mask by which a predetermined Q-height is established without post-installation modification thereof
JPH06309620A (ja) * 1993-04-27 1994-11-04 Matsushita Electric Ind Co Ltd 磁気ヘッド

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE613876A (fr) * 1946-03-04
US3249700A (en) * 1960-09-27 1966-05-03 Philips Corp Magnetic heads with means for preventing side erosion
US3283396A (en) * 1961-04-17 1966-11-08 Ampex Magnetic transducer assembly and manufacture
US3246384A (en) * 1961-04-25 1966-04-19 Gen Instrument Corp Method of making a transducer
US3319320A (en) * 1964-08-26 1967-05-16 Ronald F Cruthers Method of making a potentiometer on a thin film circuitry panel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5038017B1 (fr) * 1969-10-30 1975-12-06
JPS5128013B1 (fr) * 1970-06-02 1976-08-16
JPS5128011B1 (fr) * 1970-06-02 1976-08-16
JPS5128014B1 (fr) * 1970-06-02 1976-08-16
JPS5129404B1 (fr) * 1970-06-02 1976-08-25
JPS4865916A (fr) * 1971-12-10 1973-09-10

Also Published As

Publication number Publication date
US3458926A (en) 1969-08-05

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