DE68929246D1 - Magnetkopf-Matrixanordnung, insbesondere aus Dünnschichten - Google Patents
Magnetkopf-Matrixanordnung, insbesondere aus DünnschichtenInfo
- Publication number
- DE68929246D1 DE68929246D1 DE68929246T DE68929246T DE68929246D1 DE 68929246 D1 DE68929246 D1 DE 68929246D1 DE 68929246 T DE68929246 T DE 68929246T DE 68929246 T DE68929246 T DE 68929246T DE 68929246 D1 DE68929246 D1 DE 68929246D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- thin layers
- matrix arrangement
- particular made
- head matrix
- 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
-
- 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
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
- G11B5/4976—Disposition of heads, e.g. matrix arrangement
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
-
- 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
- G11B5/48—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
- G11B5/488—Disposition of heads
-
- 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
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
- G11B5/4984—Structure of specially adapted switching heads
-
- 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
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
- G11B5/4992—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8805592A FR2630853B1 (fr) | 1988-04-27 | 1988-04-27 | Dispositif matriciel a tetes magnetiques notamment en couches minces |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68929246D1 true DE68929246D1 (de) | 2000-10-12 |
DE68929246T2 DE68929246T2 (de) | 2001-04-05 |
Family
ID=9365733
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68925544T Expired - Lifetime DE68925544T2 (de) | 1988-04-27 | 1989-04-21 | Magnetkopf-Matrixanordnung, insbesondere aus Dünnfilmen |
DE68929246T Expired - Lifetime DE68929246T2 (de) | 1988-04-27 | 1989-04-21 | Magnetkopf-Matrixanordnung, insbesondere aus Dünnschichten |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68925544T Expired - Lifetime DE68925544T2 (de) | 1988-04-27 | 1989-04-21 | Magnetkopf-Matrixanordnung, insbesondere aus Dünnfilmen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5124869A (de) |
EP (2) | EP0677838B1 (de) |
JP (1) | JP2874893B2 (de) |
KR (1) | KR0161963B1 (de) |
DE (2) | DE68925544T2 (de) |
FR (1) | FR2630853B1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2639137B1 (fr) * | 1988-11-15 | 1990-12-21 | Thomson Csf | Tete magnetique a entrefer saturable et dispositif matriciel comportant un ensemble de telles tetes |
FR2648940B1 (fr) * | 1989-06-27 | 1991-09-06 | Thomson Csf | Procede de realisation de tete magnetique multipiste et tete magnetique multipiste |
FR2668289B1 (fr) * | 1990-10-19 | 1992-12-11 | Thomson Consumer Electronics | Procede d'adressage de tetes elementaires d'une tete multipiste d'enregistrement sur support magnetique et tete magnetique le mettant en óoeuvre. |
US5883750A (en) * | 1992-12-22 | 1999-03-16 | Thomson-Csf | Method and system for the magnetic recording of information elements and information medium by providing current correction for cross-talk magnetic flux |
FR2699722B1 (fr) * | 1992-12-22 | 1997-06-06 | Thomson Csf | Procede et systeme d'enregistrement magnetique d'informations et support d'informations. |
FR2712418B1 (fr) * | 1993-11-09 | 1995-12-22 | Thomson Csf | Procédés de réalisation collective de bobinages. |
FR2712419B1 (fr) * | 1993-11-09 | 1995-12-22 | Thomson Csf | Tête magnétique d'enregistrement/lecture. |
FR2722024B1 (fr) * | 1994-07-01 | 1996-08-02 | Thomson Consumer Electronics | Circuits magnetiques pour ensemble de tetes magnetiques d'enregistrement/lecture |
FR2723242B1 (fr) | 1994-07-26 | 1996-08-30 | Thomson Csf | Tete magnetique a element saturable et dispositif matriciel comportant un ensemble de tetes magnetiques |
FR2723243B1 (fr) * | 1994-07-26 | 1996-09-06 | Thomson Csf | Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation |
FR2727589B1 (fr) * | 1994-11-25 | 1997-01-03 | Thomson Csf | Dispositif et systeme de lecture |
FR2727555B1 (fr) * | 1994-11-25 | 1996-12-20 | Thomson Csf | Tete magnetique d'enregistrement/lecture et son procede de realisation |
FR2727556B1 (fr) | 1994-11-29 | 1997-01-03 | Thomson Csf | Procede de realisation d'une tete magnetique d'enregistrement/lecture et tete d'enregistrement/lecture |
FR2728716B1 (fr) * | 1994-12-23 | 1997-01-31 | Thomson Csf | Dispositif et systeme de lecture |
US5606474A (en) * | 1995-01-17 | 1997-02-25 | Latsu, Inc. | High density disk drive with accelerated disk access |
FR2735269B1 (fr) * | 1995-06-06 | 1997-07-25 | Thomson Csf | Tete d'enregistrement/lecture matricielle a structure zigzag |
EP0830670A1 (de) * | 1995-06-07 | 1998-03-25 | Seagate Technology, Inc. | Kopfoberfläche mit ebener topographie auf einem kopf mit gemustertem pol |
FR2736783B1 (fr) * | 1995-07-13 | 1997-08-14 | Thomson Multimedia Sa | Procede et appareil d'enregistrement et de lecture avec un support d'enregistrement de grande capacite |
FR2738657B1 (fr) * | 1995-09-12 | 1997-10-03 | Thomson Csf | Tete magnetique d'enregistrement/lecture |
DE19535089A1 (de) * | 1995-09-21 | 1997-03-27 | Thomson Brandt Gmbh | Verfahren zur Aufzeichnung von digitalen Signalen auf einem Magnetband in Multilängsspuren sowie Magnetbandaufzeichnungsgerät zur Durchführung des Verfahrens |
DE19852037A1 (de) * | 1998-11-11 | 2000-05-18 | Thomson Brandt Gmbh | Magnetbandgerät mit Treiberschaltung für Matrixkopf |
FR2786345B1 (fr) | 1998-11-24 | 2001-02-09 | Thomson Csf | Dispositif de cryptage quantique |
US7130152B1 (en) | 1999-04-01 | 2006-10-31 | Storage Technology Corporation | High track density magnetic recording head |
FR2797514B3 (fr) | 1999-08-10 | 2001-10-12 | Thomson Csf | Dispositif de lecture magneto-optique pour bandes magnetiques multipistes |
US6989960B2 (en) * | 1999-12-30 | 2006-01-24 | Advanced Research Corporation | Wear pads for timing-based surface film servo heads |
US6496328B1 (en) | 1999-12-30 | 2002-12-17 | Advanced Research Corporation | Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads |
US7149173B2 (en) * | 2000-10-17 | 2006-12-12 | Thales | Medium for recording optically readable data, method for making same and optical system reproducing said data |
FR2824905B1 (fr) * | 2001-05-15 | 2003-08-29 | Thomson Csf | Gyrometre a fibre optique |
US6650496B2 (en) | 2001-05-15 | 2003-11-18 | Phs Mems | Fully integrated matrix magnetic recording head with independent control |
EP1498877A1 (de) * | 2003-07-15 | 2005-01-19 | O-Mass AS | Schreibkopfanordnung |
US8144424B2 (en) | 2003-12-19 | 2012-03-27 | Dugas Matthew P | Timing-based servo verify head and magnetic media made therewith |
US20050152066A1 (en) * | 2004-01-08 | 2005-07-14 | Imation Corp. | System with matrix array of write heads and array of magnetoresistive (MR) read heads |
US7342748B2 (en) * | 2004-01-08 | 2008-03-11 | Imation Corp. | System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads |
US7450341B2 (en) | 2004-05-04 | 2008-11-11 | Advanced Research Corporation | Intergrated thin film subgap subpole structure for arbitrary gap pattern magnetic recording heads and method of making the same |
JP2007226921A (ja) | 2006-02-27 | 2007-09-06 | Sony Corp | 磁気ヘッド装置および磁気記録再生装置 |
US8068301B2 (en) | 2008-03-28 | 2011-11-29 | Advanced Research Corporation | Magnetic media formed by a thin film planar arbitrary gap pattern magnetic head |
US8767331B2 (en) | 2009-07-31 | 2014-07-01 | Advanced Research Corporation | Erase drive system and methods of erasure for tape data cartridge |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3309681A (en) * | 1962-08-21 | 1967-03-14 | Bunker Ramo | Multi-apertured memory arrangement |
NL134752C (de) * | 1965-06-10 | |||
DE1295653B (de) * | 1965-07-17 | 1969-05-22 | Telefunken Patent | Anordnung fuer die magnetische Speicherung, Durchschaltung oder logische Verknuepfung von Informationen und Verfahren zum Betreiben der Anordnung, zur Erzeugung der Anisotropie und zu ihrer Herstellung |
DE1549063B2 (de) * | 1967-12-06 | 1971-10-14 | Siemens AG, 1000 Berlin u 8000 München | Schaltungsanordnung zum ausgleich der durch magische steue rung hervorgerufenen beeinflussung der spaltfeder benach barter schreibkoepfe einer mehrspur magnetkopfanordnung |
US3662361A (en) * | 1968-02-13 | 1972-05-09 | Ibm | Magnetic head with deposited core and signal conductor |
US3947831A (en) * | 1972-12-11 | 1976-03-30 | Kokusai Denshin Denwa Kabushiki Kaisha | Word arrangement matrix memory of high bit density having a magnetic flux keeper |
US3881192A (en) * | 1973-05-24 | 1975-04-29 | Honeywell Inc | Magnetic recorder and printed circuit recording head therefor |
JPS5145976A (ja) * | 1974-10-16 | 1976-04-19 | Nippon Electric Co | Handotaisochi |
JPS5552521A (en) * | 1978-10-06 | 1980-04-17 | Agency Of Ind Science & Technol | Magnetic recording head |
US4339760A (en) * | 1979-11-05 | 1982-07-13 | General Electric Company | Magnetic printing head having a high signal-to-noise ratio |
US4525724A (en) * | 1982-06-30 | 1985-06-25 | International Business Machines Corporation | Magnetic recording head array for longitudinal magnetic printing with staggered head arrangement and clustered wiring |
JPS61151818A (ja) * | 1984-12-26 | 1986-07-10 | Hitachi Ltd | 薄膜磁気ヘツド |
WO1987000959A1 (en) * | 1985-08-08 | 1987-02-12 | David Cope | Data storage apparatus for digital data processing system |
-
1988
- 1988-04-27 FR FR8805592A patent/FR2630853B1/fr not_active Expired - Lifetime
-
1989
- 1989-04-21 EP EP95111116A patent/EP0677838B1/de not_active Expired - Lifetime
- 1989-04-21 EP EP89401125A patent/EP0340085B1/de not_active Expired - Lifetime
- 1989-04-21 DE DE68925544T patent/DE68925544T2/de not_active Expired - Lifetime
- 1989-04-21 DE DE68929246T patent/DE68929246T2/de not_active Expired - Lifetime
- 1989-04-24 US US07/342,012 patent/US5124869A/en not_active Expired - Lifetime
- 1989-04-26 KR KR1019890005473A patent/KR0161963B1/ko not_active IP Right Cessation
- 1989-04-27 JP JP1109008A patent/JP2874893B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0677838A3 (de) | 1996-05-22 |
EP0340085A2 (de) | 1989-11-02 |
JPH0242612A (ja) | 1990-02-13 |
DE68925544D1 (de) | 1996-03-14 |
FR2630853B1 (fr) | 1995-06-02 |
EP0677838B1 (de) | 2000-09-06 |
EP0677838A2 (de) | 1995-10-18 |
DE68929246T2 (de) | 2001-04-05 |
JP2874893B2 (ja) | 1999-03-24 |
FR2630853A1 (fr) | 1989-11-03 |
KR0161963B1 (ko) | 1998-12-15 |
US5124869A (en) | 1992-06-23 |
KR890016511A (ko) | 1989-11-29 |
EP0340085A3 (de) | 1993-12-15 |
EP0340085B1 (de) | 1996-01-31 |
DE68925544T2 (de) | 1996-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: THALES, NEUILLY SUR SEINE, FR |