DE69705364T2 - Magnetkopf - Google Patents
MagnetkopfInfo
- Publication number
- DE69705364T2 DE69705364T2 DE69705364T DE69705364T DE69705364T2 DE 69705364 T2 DE69705364 T2 DE 69705364T2 DE 69705364 T DE69705364 T DE 69705364T DE 69705364 T DE69705364 T DE 69705364T DE 69705364 T2 DE69705364 T2 DE 69705364T2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- magnetic
- head
- 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
- G11B5/1274—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
- G11B5/48—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
- G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
-
- 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
- G11B5/1272—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
- G11B5/17—Construction or disposition of windings
-
- 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
- G11B33/10—Indicating arrangements; Warning arrangements
-
- 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
-
- 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
- G11B5/4893—Disposition of heads relative to moving tape
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8196417A JPH1040511A (ja) | 1996-07-25 | 1996-07-25 | 磁気ヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69705364D1 DE69705364D1 (de) | 2001-08-02 |
DE69705364T2 true DE69705364T2 (de) | 2002-04-25 |
Family
ID=16357516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69705364T Expired - Fee Related DE69705364T2 (de) | 1996-07-25 | 1997-07-22 | Magnetkopf |
Country Status (6)
Country | Link |
---|---|
US (1) | US5883766A (de) |
EP (1) | EP0821347B1 (de) |
JP (1) | JPH1040511A (de) |
KR (1) | KR100467728B1 (de) |
CN (1) | CN1144182C (de) |
DE (1) | DE69705364T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6995951B2 (en) * | 2001-04-03 | 2006-02-07 | Sony Corporation | Method of planarizing substrate, magnetic head and manufacturing method of the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595413A (ja) * | 1982-07-01 | 1984-01-12 | Nec Home Electronics Ltd | バルク型磁気ヘツド |
JPS62180507A (ja) * | 1986-02-05 | 1987-08-07 | Hitachi Ltd | 磁気ヘツド |
JPS63231713A (ja) * | 1987-03-20 | 1988-09-27 | Hitachi Ltd | 磁気ヘツド |
JPH06119612A (ja) * | 1992-01-17 | 1994-04-28 | Sharp Corp | 磁気ヘッド及びその製造方法 |
JPH06282820A (ja) * | 1993-03-30 | 1994-10-07 | Sony Corp | 多チャンネル磁気ヘッド及びその製造方法 |
JP3407440B2 (ja) * | 1994-12-08 | 2003-05-19 | ソニー株式会社 | 薄膜コイルを用いた磁気ヘッド |
US5726841A (en) * | 1996-06-11 | 1998-03-10 | Read-Rite Corporation | Thin film magnetic head with trimmed pole tips etched by focused ion beam for undershoot reduction |
-
1996
- 1996-07-25 JP JP8196417A patent/JPH1040511A/ja active Pending
-
1997
- 1997-07-22 DE DE69705364T patent/DE69705364T2/de not_active Expired - Fee Related
- 1997-07-22 EP EP97112522A patent/EP0821347B1/de not_active Expired - Lifetime
- 1997-07-23 US US08/899,045 patent/US5883766A/en not_active Expired - Fee Related
- 1997-07-25 CN CNB971046778A patent/CN1144182C/zh not_active Expired - Fee Related
- 1997-07-25 KR KR1019970034877A patent/KR100467728B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5883766A (en) | 1999-03-16 |
KR980011054A (ko) | 1998-04-30 |
DE69705364D1 (de) | 2001-08-02 |
EP0821347B1 (de) | 2001-06-27 |
CN1144182C (zh) | 2004-03-31 |
EP0821347A3 (de) | 1999-01-27 |
CN1173009A (zh) | 1998-02-11 |
EP0821347A2 (de) | 1998-01-28 |
KR100467728B1 (ko) | 2005-06-23 |
JPH1040511A (ja) | 1998-02-13 |
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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 |