DE69319038D1 - Laminat und verschleissfester, auf solchem Laminat hergestellter Dünnfilmmagnetkopf - Google Patents
Laminat und verschleissfester, auf solchem Laminat hergestellter DünnfilmmagnetkopfInfo
- Publication number
- DE69319038D1 DE69319038D1 DE69319038T DE69319038T DE69319038D1 DE 69319038 D1 DE69319038 D1 DE 69319038D1 DE 69319038 T DE69319038 T DE 69319038T DE 69319038 T DE69319038 T DE 69319038T DE 69319038 D1 DE69319038 D1 DE 69319038D1
- Authority
- DE
- Germany
- Prior art keywords
- laminate
- wear
- thin film
- magnetic head
- film magnetic
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
-
- 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
- G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
-
- 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
- G11B5/3109—Details
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/933,335 US5609948A (en) | 1992-08-21 | 1992-08-21 | Laminate containing diamond-like carbon and thin-film magnetic head assembly formed thereon |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69319038D1 true DE69319038D1 (de) | 1998-07-16 |
DE69319038T2 DE69319038T2 (de) | 1999-01-14 |
Family
ID=25463765
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330292T Expired - Fee Related DE69330292T2 (de) | 1992-08-21 | 1993-08-18 | Laminat und verschleissfeste darauf in Dünnschichtverfahren gebildete magnetische Leseeinrichtung |
DE69319038T Expired - Fee Related DE69319038T2 (de) | 1992-08-21 | 1993-08-18 | Laminat und verschleissfester, auf solchem Laminat hergestellter Dünnfilmmagnetkopf |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330292T Expired - Fee Related DE69330292T2 (de) | 1992-08-21 | 1993-08-18 | Laminat und verschleissfeste darauf in Dünnschichtverfahren gebildete magnetische Leseeinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5609948A (de) |
EP (2) | EP0584707B1 (de) |
JP (1) | JPH06195640A (de) |
DE (2) | DE69330292T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6171674B1 (en) * | 1993-07-20 | 2001-01-09 | Semiconductor Energy Laboratory Co., Ltd. | Hard carbon coating for magnetic recording medium |
US6835523B1 (en) * | 1993-05-09 | 2004-12-28 | Semiconductor Energy Laboratory Co., Ltd. | Apparatus for fabricating coating and method of fabricating the coating |
US5644455A (en) * | 1993-12-30 | 1997-07-01 | Seagate Technology, Inc. | Amorphous diamond-like carbon gaps in magnetoresistive heads |
WO1995018442A1 (en) * | 1993-12-30 | 1995-07-06 | Seagate Technology, Inc. | Amorphous diamond-like carbon gaps in magnetoresistive heads |
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 |
EP0698878B1 (de) * | 1994-08-26 | 2000-05-24 | Aiwa Co., Ltd. | Dünnfilmmagnetkopf und Verfahren zu seiner Herstellung |
US5462784A (en) * | 1994-11-02 | 1995-10-31 | International Business Machines Corporation | Fluorinated diamond-like carbon protective coating for magnetic recording media devices |
WO1996035212A1 (de) * | 1995-04-29 | 1996-11-07 | International Business Machines Corporation | Mikromechanisch gefertigter schreib-/lesekopf für ladungsspeicherelemente |
US5901021A (en) * | 1995-05-19 | 1999-05-04 | Sanyo Electric Co., Ltd. | Thin-film magnetic head |
US5658470A (en) * | 1995-12-13 | 1997-08-19 | Seagate Technology, Inc. | Diamond-like carbon for ion milling magnetic material |
US5681426A (en) * | 1995-12-13 | 1997-10-28 | Seagate Technology, Inc. | Diamond-like carbon wet etchant stop for formation of magnetic transducers |
US5640292A (en) * | 1996-01-17 | 1997-06-17 | Seagate Technology, Inc. | Diamond-like carbon encapsulation of magnetic heads |
US5986857A (en) * | 1997-02-13 | 1999-11-16 | Sanyo Electric Co., Ltd. | Thin film magnetic head including adhesion enhancing interlayers, and upper and lower gap insulative layers having different hydrogen contents and internal stress states |
US6088320A (en) * | 1997-02-19 | 2000-07-11 | International Business Machines Corporation | Micro-mechanically fabricated read/write head with a strengthening shell on the tip shaft |
JP3597664B2 (ja) * | 1997-03-14 | 2004-12-08 | 株式会社東芝 | 磁気ヘッドの製造方法 |
US6009064A (en) * | 1997-11-05 | 1999-12-28 | Terastor Corporation | Optical head having dielectric transition layer in near-field optical storage system |
US6544716B1 (en) | 1998-06-19 | 2003-04-08 | Terastor Corporation | Multilayer optical medium for near-field optical recording and reading |
US6477011B1 (en) | 1998-08-24 | 2002-11-05 | International Business Machines Corporation | Magnetic recording device having an improved slider |
US6542334B2 (en) | 1998-11-18 | 2003-04-01 | Seagate Technology Llc | Edge structure for slider-disc interface and method of manufacture therefor |
US6532823B1 (en) | 1999-03-18 | 2003-03-18 | Read-Rite Corporation | Insulator layers for magnetoresistive transducers |
JP4221114B2 (ja) * | 1999-05-18 | 2009-02-12 | 株式会社日立グローバルストレージテクノロジーズ | 磁気抵抗効果型ヘッド |
US20030074784A1 (en) * | 1999-10-29 | 2003-04-24 | Yoshiyuki Konishi | Method of forming protective film on magnetic head |
US6445537B1 (en) | 1999-12-02 | 2002-09-03 | Storage Technology Corporation | Protective film for minimization of shield and pole tip recession in thin film shielded read heads and write heads |
DE10026477A1 (de) * | 2000-05-27 | 2001-11-29 | Abb Patent Gmbh | Schutzüberzug für metallische Bauelemente |
US6252295B1 (en) | 2000-06-19 | 2001-06-26 | International Business Machines Corporation | Adhesion of silicon carbide films |
DE10196364T1 (de) * | 2000-06-20 | 2003-07-03 | Seagate Technology Llc | Plattenlaufwerk mit Geschichteter Schreibspule |
US6776917B2 (en) | 2001-01-03 | 2004-08-17 | International Business Machines Corporation | Chemical mechanical polishing thickness control in magnetic head fabrication |
US7203031B2 (en) * | 2001-12-17 | 2007-04-10 | Neomax Co., Ltd. | Substrate for thin-film magnetic head and method of manufacturing the substrate |
JP2004265550A (ja) * | 2003-03-04 | 2004-09-24 | Fuji Photo Film Co Ltd | 磁気ヘッド |
JP3691833B2 (ja) * | 2003-07-28 | 2005-09-07 | 株式会社Neomax | 薄膜磁気ヘッド用基板およびその製造方法 |
US7088550B2 (en) * | 2003-07-30 | 2006-08-08 | Hitachi Global Storage Technologies Netherlands, B.V. | Magnetic hard disk recording head with self-compensating thermal expansion |
US7538977B2 (en) * | 2004-04-30 | 2009-05-26 | Hitachi Global Storage Technologies B.V. | Method and apparatus for providing diamagnetic flux focusing in a storage device |
EP1622085A1 (de) * | 2004-07-19 | 2006-02-01 | Deutsches Krebsforschungszentrum | Verfahren zur Erzeugung von CT Bildern aus unvollständigen Projektionsdaten eines Untersuchungsobjektes |
US8815060B2 (en) * | 2004-08-30 | 2014-08-26 | HGST Netherlands B.V. | Method for minimizing magnetically dead interfacial layer during COC process |
US7782569B2 (en) * | 2007-01-18 | 2010-08-24 | Sae Magnetics (Hk) Ltd. | Magnetic recording head and media comprising aluminum oxynitride underlayer and a diamond-like carbon overcoat |
US20080187781A1 (en) * | 2007-02-05 | 2008-08-07 | Sae Magnetics (Hk) Ltd. | Magnetic recording head and media overcoat |
US8014104B2 (en) * | 2007-03-21 | 2011-09-06 | Sae Magnetics (Hk) Ltd. | Magnetic head/disk with transition metal oxynitride adhesion/corrosion barrier and diamond-like carbon overcoat bilayer |
US8310788B2 (en) * | 2007-11-28 | 2012-11-13 | Sae Magnetics (H.K.) Ltd. | Protective film forming method |
US8472134B2 (en) | 2011-08-02 | 2013-06-25 | HGST Netherlands B.V. | Air bearing surface overcoat with soft intermediate film, and methods of producing the same |
US8760980B2 (en) | 2012-11-20 | 2014-06-24 | Seagate Technology Llc | Protective overcoat layer of carbon and a selected transition metal |
WO2015016870A1 (en) * | 2013-07-31 | 2015-02-05 | Hewlett-Packard Development Company, L.P. | Coating magnetic tape heads |
US10014010B2 (en) * | 2016-08-30 | 2018-07-03 | International Business Machines Corporation | Apparatus having self-healing current-perpendicular-to-plane read head |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE32464E (en) * | 1971-05-03 | 1987-07-28 | Thin film recording and method of making | |
US4277540A (en) * | 1971-05-03 | 1981-07-07 | Aine Harry E | Thin film magnetic recording medium |
US4302790B1 (en) * | 1979-04-11 | 1999-06-08 | Eastman Kodak Co | Magnetic recording head with effective magnetic gap length less than about 15mu inches |
JPH062615B2 (ja) * | 1984-12-29 | 1994-01-12 | ティーディーケイ株式会社 | 磁気ヘツドスライダ材料 |
JPS6233317A (ja) * | 1985-08-06 | 1987-02-13 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘツド |
US4647494A (en) * | 1985-10-31 | 1987-03-03 | International Business Machines Corporation | Silicon/carbon protection of metallic magnetic structures |
JPS63153275A (ja) * | 1986-08-11 | 1988-06-25 | Sumitomo Electric Ind Ltd | ダイヤモンド被覆アルミナ |
JPS63317920A (ja) * | 1987-06-22 | 1988-12-26 | Mitsubishi Electric Corp | 磁気ヘッドの製造方法 |
FR2622338B1 (fr) * | 1987-10-27 | 1990-01-26 | Thomson Csf | Tete magnetique d'enregistrement-lecture a couche anti-abrasion et procede de realisation |
US4918554A (en) * | 1988-09-27 | 1990-04-17 | International Business Machines Corporation | Process for making a shielded magnetoresistive sensor |
US5055318A (en) * | 1988-10-11 | 1991-10-08 | Beamalloy Corporation | Dual ion beam ballistic alloying process |
US5190823A (en) * | 1989-07-31 | 1993-03-02 | General Electric Company | Method for improving adhesion of synthetic diamond coatings to substrates |
JPH03268210A (ja) * | 1990-03-16 | 1991-11-28 | Fujitsu Ltd | 垂直磁気ヘッド |
JP2876705B2 (ja) * | 1990-04-16 | 1999-03-31 | 住友電気工業株式会社 | ダイヤモンドコーティング工具 |
JPH0497974A (ja) * | 1990-08-13 | 1992-03-30 | Noritake Co Ltd | 多結晶ダイヤモンド膜の被覆方法及び多結晶ダイヤモンド被覆セラミック基材 |
US5159508A (en) * | 1990-12-27 | 1992-10-27 | International Business Machines Corporation | Magnetic head slider having a protective coating thereon |
-
1992
- 1992-08-21 US US07/933,335 patent/US5609948A/en not_active Expired - Fee Related
-
1993
- 1993-08-18 EP EP93113204A patent/EP0584707B1/de not_active Expired - Lifetime
- 1993-08-18 DE DE69330292T patent/DE69330292T2/de not_active Expired - Fee Related
- 1993-08-18 DE DE69319038T patent/DE69319038T2/de not_active Expired - Fee Related
- 1993-08-18 EP EP97118506A patent/EP0821349B1/de not_active Expired - Lifetime
- 1993-08-20 JP JP5228076A patent/JPH06195640A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0584707B1 (de) | 1998-06-10 |
DE69330292T2 (de) | 2002-02-07 |
EP0584707A2 (de) | 1994-03-02 |
EP0821349A3 (de) | 1998-04-01 |
US5609948A (en) | 1997-03-11 |
DE69330292D1 (de) | 2001-07-05 |
JPH06195640A (ja) | 1994-07-15 |
EP0821349B1 (de) | 2001-05-30 |
EP0821349A2 (de) | 1998-01-28 |
DE69319038T2 (de) | 1999-01-14 |
EP0584707A3 (de) | 1995-08-02 |
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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 |