ES465258A1 - Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales. - Google Patents

Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales.

Info

Publication number
ES465258A1
ES465258A1 ES465258A ES465258A ES465258A1 ES 465258 A1 ES465258 A1 ES 465258A1 ES 465258 A ES465258 A ES 465258A ES 465258 A ES465258 A ES 465258A ES 465258 A1 ES465258 A1 ES 465258A1
Authority
ES
Spain
Prior art keywords
magnetic head
manufacturing
head arrangement
rotatable magnetic
reference surface
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
ES465258A
Other languages
English (en)
Spanish (es)
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 ES465258A1 publication Critical patent/ES465258A1/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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • 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
    • 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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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.]
    • Y10T29/49027—Mounting preformed head/core onto other structure
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
ES465258A 1976-12-22 1977-12-20 Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales. Expired ES465258A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT953676A AT351797B (de) 1976-12-22 1976-12-22 Verfahren zum herstellen einer rotierend antreibbaren magnetkopfanordnung und nach einem solchen verfahren hergestellte magnetkopf- anordnung

Publications (1)

Publication Number Publication Date
ES465258A1 true ES465258A1 (es) 1978-09-16

Family

ID=3615030

Family Applications (1)

Application Number Title Priority Date Filing Date
ES465258A Expired ES465258A1 (es) 1976-12-22 1977-12-20 Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales.

Country Status (8)

Country Link
US (1) US4186480A (OSRAM)
JP (1) JPS5380212A (OSRAM)
AT (1) AT351797B (OSRAM)
DE (1) DE2755287C3 (OSRAM)
ES (1) ES465258A1 (OSRAM)
FR (1) FR2379128A1 (OSRAM)
GB (1) GB1593310A (OSRAM)
IT (1) IT1088722B (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117726A (en) * 1979-03-05 1980-09-10 Hitachi Ltd Manufacture of magnetic head
JPS56117326A (en) * 1980-02-18 1981-09-14 Victor Co Of Japan Ltd Rotary head type magnetic recording and reproducing device
JPS58171714A (ja) * 1982-04-01 1983-10-08 Matsushita Electric Ind Co Ltd ヘツド位置調整機
JPS6082715U (ja) * 1983-11-11 1985-06-07 キヤノン電子株式会社 回転ヘツド装置
AT388823B (de) * 1986-12-10 1989-09-11 Philips Nv Verfahren zum justieren der spalte von zwei auf einer kopfscheibe angeordneten magnetkoepfen und kopfscheibe mit zwei auf ihr angeordneten magnetkoepfen
JP2579098B2 (ja) * 1992-03-17 1997-02-05 松下電器産業株式会社 磁気ヘッドの位置決め方法
JP2615525B2 (ja) * 1992-04-15 1997-05-28 松下電器産業株式会社 磁気ヘッドの高さ調整方法
US5523539A (en) * 1993-11-12 1996-06-04 Conner Peripherals, Inc. Process for manufacturing recording heads for magnetic storage devices
JPH08235517A (ja) * 1994-05-10 1996-09-13 Mitsubishi Electric Corp 磁気ヘッド及びその製造方法
US6217425B1 (en) * 1998-06-12 2001-04-17 Tdk Corporation Apparatus and method for lapping magnetic heads
US6974938B1 (en) 2000-03-08 2005-12-13 Tibotec Bvba Microscope having a stable autofocusing apparatus
KR100579064B1 (ko) * 2002-06-21 2006-05-12 알프스 덴키 가부시키가이샤 출력차가 적은 회전식 자기 헤드 및 이것을 사용한 테이프매체 기록 재생 장치
JP3797355B2 (ja) * 2003-10-22 2006-07-19 セイコーエプソン株式会社 圧電振動子の製造方法
FI118017B (fi) * 2004-03-11 2007-05-31 Metso Paper Inc Alipainehihnakuljetin päänvientinauhan viemiseksi rainanmuodostuskoneessa

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621153A (en) * 1969-12-22 1971-11-16 Ibm Magnetic read/write head with partial gap and method of making
US4017965A (en) * 1975-06-16 1977-04-19 Burroughs Corporation Method of making a transducer head with narrow core structure
US4120008A (en) * 1976-10-05 1978-10-10 Eastman Kodak Company Overlap track servo for dynamic position correction in a rotary-head tape recorder

Also Published As

Publication number Publication date
FR2379128A1 (fr) 1978-08-25
DE2755287A1 (de) 1978-06-29
ATA953676A (de) 1979-01-15
DE2755287C3 (de) 1979-12-06
IT1088722B (it) 1985-06-10
AT351797B (de) 1979-08-10
US4186480A (en) 1980-02-05
JPS5380212A (en) 1978-07-15
DE2755287B2 (de) 1979-04-19
GB1593310A (en) 1981-07-15
FR2379128B1 (OSRAM) 1984-12-14
JPS57567B2 (OSRAM) 1982-01-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991220