DE69700484D1 - Magnetkopfgerät und dieses Gerät verwendendes magnetisches Aufnahmegerät - Google Patents
Magnetkopfgerät und dieses Gerät verwendendes magnetisches AufnahmegerätInfo
- Publication number
- DE69700484D1 DE69700484D1 DE69700484T DE69700484T DE69700484D1 DE 69700484 D1 DE69700484 D1 DE 69700484D1 DE 69700484 T DE69700484 T DE 69700484T DE 69700484 T DE69700484 T DE 69700484T DE 69700484 D1 DE69700484 D1 DE 69700484D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- magnetic recording
- magnetic head
- recording device
- head device
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/105—Mounting of head within housing or assembling of head and 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
- G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1276—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
-
- 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
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
-
- 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
- G11B5/52—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 with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10093996 | 1996-04-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69700484D1 true DE69700484D1 (de) | 1999-10-14 |
DE69700484T2 DE69700484T2 (de) | 1999-12-30 |
Family
ID=14287330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69700484T Expired - Fee Related DE69700484T2 (de) | 1996-04-23 | 1997-04-05 | Magnetkopfgerät und dieses Gerät verwendendes magnetisches Aufnahmegerät |
Country Status (5)
Country | Link |
---|---|
US (1) | US5943195A (de) |
EP (1) | EP0803863B1 (de) |
KR (1) | KR100255029B1 (de) |
CN (1) | CN1129891C (de) |
DE (1) | DE69700484T2 (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4683509A (en) * | 1984-06-15 | 1987-07-28 | Odetics, Inc. | High efficiency magnetic erase head |
US5426550A (en) * | 1990-06-08 | 1995-06-20 | Matsushita Electric Industrial Co., Ltd. | Multitrack magnetic head assembly for scanning a magnetic tape with a plurality of magnetic head tips |
EP0505983B1 (de) * | 1991-03-29 | 1997-06-18 | Sony Corporation | Magnetkopf und ein digitaler Magnetaufzeichnungskopf |
JPH0653039A (ja) * | 1992-08-03 | 1994-02-25 | Hitachi Ltd | 耐食性磁性膜およびこれを用いた磁気ヘッド |
JPH07169015A (ja) * | 1993-12-10 | 1995-07-04 | Sony Corp | 磁気ヘッド |
JPH07282410A (ja) * | 1994-04-08 | 1995-10-27 | Hitachi Ltd | 磁気ヘッドの構造及びそれを用いた磁気記録装置 |
-
1997
- 1997-03-27 US US08/826,238 patent/US5943195A/en not_active Expired - Fee Related
- 1997-04-05 DE DE69700484T patent/DE69700484T2/de not_active Expired - Fee Related
- 1997-04-05 EP EP97105655A patent/EP0803863B1/de not_active Expired - Lifetime
- 1997-04-23 CN CN97110572A patent/CN1129891C/zh not_active Expired - Fee Related
- 1997-04-23 KR KR1019970015222A patent/KR100255029B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5943195A (en) | 1999-08-24 |
KR970071481A (ko) | 1997-11-07 |
EP0803863A2 (de) | 1997-10-29 |
EP0803863A3 (de) | 1998-04-15 |
EP0803863B1 (de) | 1999-09-08 |
CN1167969A (zh) | 1997-12-17 |
CN1129891C (zh) | 2003-12-03 |
KR100255029B1 (ko) | 2000-05-01 |
DE69700484T2 (de) | 1999-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69710956D1 (de) | Aufzeichnungskopf und Aufzeichnungsapparat | |
DE69829256D1 (de) | Tinstrahlaufzeichnungskopf und -gerät | |
DE69726695D1 (de) | Aufzeichnungsmedium und Gerät | |
DE69528419T2 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät | |
DE69836310D1 (de) | Punktaufzeichnungsverfahren und punktaufzeichnungsvorrichtung | |
DE69734797D1 (de) | Aufzeichnungskopf und Aufzeichnungsvorrichtung | |
DE69733915D1 (de) | Aufzeichnungsgerät und Aufzeichnungsverfahren | |
DE69521106T2 (de) | Magnetkopfvorrichtung und magnetooptische Aufzeichnungsvorrichtung | |
SG66463A1 (en) | Magnetoresistance effect element and magnetic head and magnetic recording device using thereof | |
DE69727025D1 (de) | Aufzeichnungsgerät und Aufzeichnungsverfahren | |
DE69833312D1 (de) | Punktaufzeichnungsverfahren und punktaufzeichnungsvorrichtung | |
DE69833830D1 (de) | Aufzeichnungs- und Wiedergabegerät | |
DE69725073D1 (de) | Aufzeichnungskopf und Aufzeichnungsverfahren | |
DE69823640D1 (de) | Aufzeichnungs-/wiedergabevorrichtung und aufzeichnungs-/wiedergabeverfahren | |
DE69705335T2 (de) | Aufzeichnungsvorrichtung und Aufzeichnungssteuerungsverfahren | |
DE69518348T2 (de) | Informationsaufzeichnungsgerät und Informationsaufzeichnungsverfahren | |
DE69624204D1 (de) | Magnetaufzeichnungs- und Wiedergabegerät | |
DE69709575D1 (de) | Magnetischer Aufzeichnungsträger und diesen Träger verwendendes magnetisches Aufzeichnungssystem | |
DE69522849T2 (de) | Aufzeichnungskopf und Aufzeichnungsgerät | |
DE69700484D1 (de) | Magnetkopfgerät und dieses Gerät verwendendes magnetisches Aufnahmegerät | |
DE69424778T2 (de) | Magnetkopf und Magnetkopfvorrichtung | |
DE69703904T2 (de) | Aufnahme- und Wiedergabegerät | |
KR960015479A (ko) | 자기기록재생장치 | |
DE69418531D1 (de) | Aufzeichnungs-/Wiedergabegerät und Wiedergabegerät | |
DE19880570T1 (de) | Aufzeichnungs- und Wiedergabevorrichtung |
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: PANASONIC CORP., KADOMA, OSAKA, JP |
|
8339 | Ceased/non-payment of the annual fee |