DE69700656D1 - Senkrechter magnetkopf mit integrierter spule und herstellungsverfahren - Google Patents
Senkrechter magnetkopf mit integrierter spule und herstellungsverfahrenInfo
- Publication number
- DE69700656D1 DE69700656D1 DE69700656T DE69700656T DE69700656D1 DE 69700656 D1 DE69700656 D1 DE 69700656D1 DE 69700656 T DE69700656 T DE 69700656T DE 69700656 T DE69700656 T DE 69700656T DE 69700656 D1 DE69700656 D1 DE 69700656D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing process
- magnetic head
- upper magnetic
- integrated coil
- coil
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- 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
- G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
- G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
- G11B5/3183—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes intersecting the gap plane, e.g. "horizontal head 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
-
- 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
- G11B5/17—Construction or disposition of windings
-
- 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
- G11B5/313—Disposition of 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
- Y10T29/4906—Providing winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9601871A FR2745111B1 (fr) | 1996-02-15 | 1996-02-15 | Tete magnetique verticale a bobinage integre et son procede de realisation |
PCT/FR1997/000284 WO1997030442A1 (fr) | 1996-02-15 | 1997-02-14 | Tete magnetique verticale a bobinage integre et son procede de realisation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69700656D1 true DE69700656D1 (de) | 1999-11-25 |
DE69700656T2 DE69700656T2 (de) | 2000-05-18 |
Family
ID=9489224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69700656T Expired - Fee Related DE69700656T2 (de) | 1996-02-15 | 1997-02-14 | Senkrechter magnetkopf mit integrierter spule und herstellungsverfahren |
Country Status (7)
Country | Link |
---|---|
US (2) | US6163435A (de) |
EP (1) | EP0880774B1 (de) |
JP (1) | JP2001500657A (de) |
KR (1) | KR100420590B1 (de) |
DE (1) | DE69700656T2 (de) |
FR (1) | FR2745111B1 (de) |
WO (1) | WO1997030442A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781917B1 (fr) * | 1998-07-28 | 2000-09-08 | Commissariat Energie Atomique | Procede de realisation collective de tetes magnetiques integrees a surface portante de hauteur determinee |
US6441994B1 (en) * | 1999-07-15 | 2002-08-27 | Seagate Technology Llc | High frequency response writer with recessed shared pole and vertical coils |
US6819527B1 (en) * | 2000-03-23 | 2004-11-16 | Hitachi Global Storage Technologies, Inc. | Magnetic head with lower coil traces connected to integrally formed vertical interconnects and upper coil traces through plural insulating layer arrangement |
JP3950827B2 (ja) | 2002-11-22 | 2007-08-01 | アルプス電気株式会社 | 薄膜磁気ヘッドの製造方法 |
JP2004296061A (ja) * | 2002-11-22 | 2004-10-21 | Alps Electric Co Ltd | 薄膜磁気ヘッド |
JP3842767B2 (ja) * | 2002-11-22 | 2006-11-08 | アルプス電気株式会社 | 薄膜磁気ヘッド |
JP3950807B2 (ja) * | 2003-03-12 | 2007-08-01 | アルプス電気株式会社 | 薄膜磁気ヘッド |
US6987645B2 (en) * | 2003-04-01 | 2006-01-17 | Sae Magnetics (H.K.) Ltd. | Thin-film magnetic head and method of manufacturing same, and thin-film magnetic head substructure |
US7310204B1 (en) | 2003-12-19 | 2007-12-18 | Western Digital (Fremont), Llc | Inductive writer design for using a soft magnetic pedestal having a high magnetic saturation layer |
FR2877484A1 (fr) * | 2004-11-04 | 2006-05-05 | Commissariat Energie Atomique | Dispositif d'enregistrement et/ou de lecture a tetes magnetiques multiples a entrefers azimutes |
US7468863B2 (en) * | 2005-07-05 | 2008-12-23 | Headway Technologies, Inc. | Thin-film magnetic head structure adapted to manufacture a thin-film head having a base magnetic pole part, a yoke magnetic pole part, and an intervening insulative film |
US7633711B2 (en) * | 2007-02-07 | 2009-12-15 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic write head with helical coil structure using multiple materials |
US8687318B2 (en) | 2012-03-13 | 2014-04-01 | Seagate Technology Llc | Recording head coil structure |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228307A (en) * | 1975-08-28 | 1977-03-03 | Toshiba Corp | Thin layer head |
JPS5758216A (en) * | 1980-09-24 | 1982-04-07 | Fujitsu Ltd | Thin film magnetic head |
JPS58128021A (ja) * | 1982-01-25 | 1983-07-30 | Toshiba Corp | 磁気ヘツド |
JPS60145512A (ja) * | 1984-01-06 | 1985-08-01 | Seiko Epson Corp | 磁気ヘツド |
ATE36088T1 (de) * | 1984-12-21 | 1988-08-15 | Siemens Ag | Duennfilm-magnetkopf auf einem nicht-magnetischen substrat zur senkrechten magnetisierung. |
US4743988A (en) * | 1985-02-01 | 1988-05-10 | Victor Company Of Japan, Ltd. | Thin-film magnetic head |
JPS6488911A (en) * | 1987-09-30 | 1989-04-03 | Hitachi Ltd | Thin film magnetic head |
JPH0237513A (ja) * | 1988-07-27 | 1990-02-07 | Hitachi Ltd | 薄膜磁気ヘッド |
US5189580A (en) * | 1989-06-30 | 1993-02-23 | Ampex Corporation | Ultra small track width thin film magnetic transducer |
FR2661030B1 (fr) * | 1990-04-13 | 1995-04-07 | Thomson Csf | Tete magnetique d'enregistrement/lecture et procedes de realisation. |
JPH0474305A (ja) * | 1990-07-17 | 1992-03-09 | Sony Corp | 磁気ヘッド及びその製造方法 |
JP2943579B2 (ja) * | 1992-10-20 | 1999-08-30 | 三菱電機株式会社 | 磁気構造体並びにこれを用いた磁気ヘッドおよび磁気記録ヘッド |
FR2716995B1 (fr) * | 1994-03-01 | 1996-04-05 | Commissariat Energie Atomique | Procédé de réalisation d'une tête magnétique verticale et tête obtenue par ce procédé. |
US5668689A (en) * | 1994-03-03 | 1997-09-16 | Seagate Technology, Inc. | Inverted magnetoresistive head |
FR2716996B1 (fr) | 1994-03-07 | 1996-04-05 | Commissariat Energie Atomique | Tête magnétique verticale et son procédé de réalisation. |
FR2726931B1 (fr) * | 1994-11-16 | 1996-12-06 | Commissariat Energie Atomique | Tete magnetique verticale a bobinage integre et son procede de realisation |
-
1996
- 1996-02-15 FR FR9601871A patent/FR2745111B1/fr not_active Expired - Fee Related
-
1997
- 1997-02-14 WO PCT/FR1997/000284 patent/WO1997030442A1/fr active IP Right Grant
- 1997-02-14 DE DE69700656T patent/DE69700656T2/de not_active Expired - Fee Related
- 1997-02-14 JP JP09529056A patent/JP2001500657A/ja not_active Ceased
- 1997-02-14 US US09/125,107 patent/US6163435A/en not_active Expired - Fee Related
- 1997-02-14 EP EP97905207A patent/EP0880774B1/de not_active Expired - Lifetime
- 1997-02-14 KR KR10-1998-0706238A patent/KR100420590B1/ko not_active IP Right Cessation
-
2000
- 2000-09-22 US US09/667,546 patent/US6335846B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6335846B1 (en) | 2002-01-01 |
EP0880774A1 (de) | 1998-12-02 |
EP0880774B1 (de) | 1999-10-20 |
US6163435A (en) | 2000-12-19 |
KR100420590B1 (ko) | 2004-07-01 |
WO1997030442A1 (fr) | 1997-08-21 |
DE69700656T2 (de) | 2000-05-18 |
FR2745111A1 (fr) | 1997-08-22 |
JP2001500657A (ja) | 2001-01-16 |
KR19990082505A (ko) | 1999-11-25 |
FR2745111B1 (fr) | 1998-03-13 |
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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 |