DE69220284D1 - Magnetkopf und Verfahren zur Herstellung desselben - Google Patents
Magnetkopf und Verfahren zur Herstellung desselbenInfo
- Publication number
- DE69220284D1 DE69220284D1 DE69220284T DE69220284T DE69220284D1 DE 69220284 D1 DE69220284 D1 DE 69220284D1 DE 69220284 T DE69220284 T DE 69220284T DE 69220284 T DE69220284 T DE 69220284T DE 69220284 D1 DE69220284 D1 DE 69220284D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing
- same
- magnetic head
- magnetic
- head
- 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 - Fee Related
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
- G11B5/1272—Assembling or shaping of elements
-
- 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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
- G11B5/1475—Assembling or shaping of elements
-
- 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
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3084191A JP2633097B2 (ja) | 1991-04-16 | 1991-04-16 | 磁気ヘッドの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69220284D1 true DE69220284D1 (de) | 1997-07-17 |
DE69220284T2 DE69220284T2 (de) | 1998-01-22 |
Family
ID=13823586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69220284T Expired - Fee Related DE69220284T2 (de) | 1991-04-16 | 1992-04-14 | Magnetkopf und Verfahren zur Herstellung desselben |
Country Status (4)
Country | Link |
---|---|
US (1) | US5276959A (de) |
EP (1) | EP0509461B1 (de) |
JP (1) | JP2633097B2 (de) |
DE (1) | DE69220284T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2895680B2 (ja) * | 1992-07-08 | 1999-05-24 | シャープ株式会社 | 磁気ヘッドおよびその製造方法 |
JPH0830909A (ja) * | 1994-07-15 | 1996-02-02 | Sony Corp | 磁気ヘッド |
JPH103605A (ja) * | 1996-06-13 | 1998-01-06 | Sony Corp | 磁気ヘッドの製造方法 |
JPH1049814A (ja) * | 1996-07-30 | 1998-02-20 | Mitsumi Electric Co Ltd | 磁気ヘッド |
JP4008420B2 (ja) * | 2004-02-23 | 2007-11-14 | Tdk株式会社 | 磁気記録媒体の製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2554041B2 (ja) * | 1984-09-27 | 1996-11-13 | シャープ株式会社 | 磁気ヘッドコアの製造方法 |
JPS62146411A (ja) * | 1985-12-20 | 1987-06-30 | Victor Co Of Japan Ltd | 複合磁気ヘツド及びその製造方法 |
JPS62170007A (ja) * | 1986-01-22 | 1987-07-27 | Victor Co Of Japan Ltd | 磁気ヘツド |
JPS6433709A (en) * | 1987-07-29 | 1989-02-03 | Sharp Kk | Magnetic head |
JPH01113909A (ja) * | 1987-10-28 | 1989-05-02 | Hitachi Ltd | 磁気ヘツド |
JPH01211309A (ja) * | 1988-02-19 | 1989-08-24 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
JPH01235011A (ja) * | 1988-03-14 | 1989-09-20 | Matsushita Electric Ind Co Ltd | 磁気ヘッドの製造方法 |
JP2829973B2 (ja) * | 1988-07-30 | 1998-12-02 | ソニー株式会社 | 磁気ヘッド |
JPH02108208A (ja) * | 1988-10-17 | 1990-04-20 | Victor Co Of Japan Ltd | 磁気ヘッド |
JPH02128309A (ja) * | 1988-11-08 | 1990-05-16 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
EP0400966B1 (de) * | 1989-05-29 | 1995-02-15 | Sharp Kabushiki Kaisha | Herstellungsverfahren eines Magnetkopfes |
JPH0340207A (ja) * | 1989-07-07 | 1991-02-21 | Hitachi Ltd | 磁気ヘッド |
JPH03144904A (ja) * | 1989-10-31 | 1991-06-20 | Matsushita Electric Ind Co Ltd | 積層型磁気ヘッドの製造方法 |
JPH0785289B2 (ja) * | 1990-03-19 | 1995-09-13 | シャープ株式会社 | 磁気ヘッドの製造方法 |
-
1991
- 1991-04-16 JP JP3084191A patent/JP2633097B2/ja not_active Expired - Fee Related
-
1992
- 1992-04-14 EP EP92106455A patent/EP0509461B1/de not_active Expired - Lifetime
- 1992-04-14 DE DE69220284T patent/DE69220284T2/de not_active Expired - Fee Related
- 1992-04-15 US US07/869,539 patent/US5276959A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0509461B1 (de) | 1997-06-11 |
DE69220284T2 (de) | 1998-01-22 |
JPH04318304A (ja) | 1992-11-09 |
EP0509461A3 (en) | 1993-04-07 |
US5276959A (en) | 1994-01-11 |
EP0509461A2 (de) | 1992-10-21 |
JP2633097B2 (ja) | 1997-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |