DE69016834D1 - Herstellungsverfahren eines Magnetkopfes. - Google Patents
Herstellungsverfahren eines Magnetkopfes.Info
- Publication number
- DE69016834D1 DE69016834D1 DE69016834T DE69016834T DE69016834D1 DE 69016834 D1 DE69016834 D1 DE 69016834D1 DE 69016834 T DE69016834 T DE 69016834T DE 69016834 T DE69016834 T DE 69016834T DE 69016834 D1 DE69016834 D1 DE 69016834D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing process
- magnetic head
- magnetic
- head
- manufacturing
- 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 - Lifetime
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
- G11B5/31—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
-
- 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
- G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
- G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
-
- 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
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
-
- 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
- Y10T29/49043—Depositing magnetic layer or coating
-
- 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]
-
- 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
-
- 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
- Y10T29/49067—Specified diverse magnetic materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13648589A JPH0748246B2 (ja) | 1989-05-29 | 1989-05-29 | 磁気ヘッドの製造方法 |
JP14091389 | 1989-06-01 | ||
JP20084389A JPH0752494B2 (ja) | 1989-08-02 | 1989-08-02 | 磁気ヘッドの製造方法 |
JP20084289A JPH0363906A (ja) | 1989-08-02 | 1989-08-02 | 磁気ヘッドの製造方法 |
JP21919989A JPH0383210A (ja) | 1989-08-25 | 1989-08-25 | 磁気ヘッドの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69016834D1 true DE69016834D1 (de) | 1995-03-23 |
DE69016834T2 DE69016834T2 (de) | 1995-07-27 |
Family
ID=27527464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69016834T Expired - Lifetime DE69016834T2 (de) | 1989-05-29 | 1990-05-29 | Herstellungsverfahren eines Magnetkopfes. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5020212A (de) |
EP (1) | EP0400966B1 (de) |
DE (1) | DE69016834T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2633097B2 (ja) * | 1991-04-16 | 1997-07-23 | シャープ株式会社 | 磁気ヘッドの製造方法 |
KR0130192B1 (ko) * | 1992-01-16 | 1998-04-17 | 가다오까 마사다까 | 자기헤드 및 그 제조방법 |
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 |
DE69321930T2 (de) * | 1993-01-15 | 1999-07-01 | Ibm | Geschichtete magnetische Struktur zum Gebrauch in einem Magnetkopf |
KR0137626B1 (ko) * | 1993-04-28 | 1998-05-15 | 이형도 | 자기헤드의 제조방법 |
US5748417A (en) * | 1994-08-26 | 1998-05-05 | Aiwa Research And Development, Inc. | Thin film magnetic head including layered magnetic side poles |
US5801909A (en) * | 1994-08-26 | 1998-09-01 | Aiwa Research And Development, Inc. | Thin film magnetic head including durable wear layer and non-magnetic gap structures |
US5673474A (en) * | 1994-08-26 | 1997-10-07 | Aiwa Research And Development, Inc. | Method of fabricating a thin film magnetic head including layered magnetic side poles |
US5544774A (en) * | 1994-08-26 | 1996-08-13 | Aiwa Research And Development, Inc. | Method of eliminating pole recession in a thin film magnetic head |
US5563754A (en) * | 1994-08-26 | 1996-10-08 | Aiwa Research And Development, Inc. | Thin film magnetic head including a durable wear layer and gap structure |
US5490028A (en) * | 1994-08-26 | 1996-02-06 | Aiwa Research And Development, Inc. | Thin film magnetic head including an integral layered shield structure |
JPH08171712A (ja) * | 1994-08-26 | 1996-07-02 | Aiwa Co Ltd | 側面露出型薄膜磁気ヘッド並びにその製造方法 |
US5909346A (en) * | 1994-08-26 | 1999-06-01 | Aiwa Research & Development, Inc. | Thin magnetic film including multiple geometry gap structures on a common substrate |
US6091581A (en) * | 1994-08-26 | 2000-07-18 | Aiwa Co., Ltd. | Thin film magnetic head including a separately deposited diamond-like carbon gap structure and magnetic control wells |
US5754377A (en) * | 1994-08-26 | 1998-05-19 | Aiwa Research And Development, Inc. | Thin film magnetic head including an elevated gap structure |
US5621594A (en) * | 1995-02-17 | 1997-04-15 | Aiwa Research And Development, Inc. | Electroplated thin film conductor coil assembly |
US6069015A (en) * | 1996-05-20 | 2000-05-30 | Aiwa Research And Development, Inc. | Method of fabricating thin film magnetic head including durable wear layer and non-magnetic gap structure |
US7625603B2 (en) * | 2003-11-14 | 2009-12-01 | Robert Bosch Gmbh | Crack and residue free conformal deposited silicon oxide with predictable and uniform etching characteristics |
US8263876B2 (en) * | 2009-12-30 | 2012-09-11 | Harvatek Corporation | Conductive substrate structure with conductive channels formed by using a two-sided cut approach and a method for manufacturing the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58175122A (ja) * | 1982-04-07 | 1983-10-14 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
JPS6148111A (ja) * | 1984-08-13 | 1986-03-08 | Seiko Epson Corp | 磁気ヘツドの製造方法 |
US4890378A (en) * | 1985-08-28 | 1990-01-02 | Canon Kabushiki Kaisha | Method for manufacturing a magnetic head core having a magnetic film |
DE3776359D1 (en) * | 1986-02-13 | 1992-03-12 | Sony Corp | Duennschichtmagnetkopf. |
JP2781849B2 (ja) * | 1987-07-14 | 1998-07-30 | 三洋電機株式会社 | 磁気ヘッド及びその製造方法 |
JP2644768B2 (ja) * | 1987-09-14 | 1997-08-25 | シャープ株式会社 | 磁気ヘッドの製造方法 |
-
1990
- 1990-05-29 DE DE69016834T patent/DE69016834T2/de not_active Expired - Lifetime
- 1990-05-29 US US07/529,872 patent/US5020212A/en not_active Expired - Lifetime
- 1990-05-29 EP EP90305833A patent/EP0400966B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0400966A2 (de) | 1990-12-05 |
EP0400966A3 (de) | 1992-04-01 |
DE69016834T2 (de) | 1995-07-27 |
EP0400966B1 (de) | 1995-02-15 |
US5020212A (en) | 1991-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |