KR840009160A - 자기헤드 및 그 제조방법 - Google Patents
자기헤드 및 그 제조방법Info
- Publication number
- KR840009160A KR840009160A KR1019840001755A KR840001755A KR840009160A KR 840009160 A KR840009160 A KR 840009160A KR 1019840001755 A KR1019840001755 A KR 1019840001755A KR 840001755 A KR840001755 A KR 840001755A KR 840009160 A KR840009160 A KR 840009160A
- Authority
- KR
- South Korea
- Prior art keywords
- manufacturing
- magnetic head
- magnetic
- head
- Prior art date
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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
-
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2651—Manufacture
-
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
- G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
- G11B5/2655—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57816 | 1983-04-04 | ||
JP58057816A JPS59185015A (ja) | 1983-04-04 | 1983-04-04 | 磁気ヘツドおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840009160A true KR840009160A (ko) | 1984-12-24 |
KR920006124B1 KR920006124B1 (ko) | 1992-07-27 |
Family
ID=13066439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840001755A KR920006124B1 (ko) | 1983-04-04 | 1984-04-03 | 자기헤드 및 그 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4774616A (ko) |
EP (1) | EP0140977B1 (ko) |
JP (1) | JPS59185015A (ko) |
KR (1) | KR920006124B1 (ko) |
DE (1) | DE3482609D1 (ko) |
WO (1) | WO1984003984A1 (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59185015A (ja) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
JPS60256904A (ja) * | 1984-06-01 | 1985-12-18 | Hitachi Ltd | 磁気ヘツド |
JPS61162813A (ja) * | 1985-01-14 | 1986-07-23 | Hitachi Maxell Ltd | 複合磁気ヘツドの製造方法 |
JPS61184705A (ja) * | 1985-02-13 | 1986-08-18 | Hitachi Ltd | 磁気ヘツド |
JPS6220113A (ja) * | 1985-07-19 | 1987-01-28 | Alps Electric Co Ltd | 複合型磁気ヘツドおよびその製造方法 |
JPH01128213A (ja) * | 1987-11-13 | 1989-05-19 | Hitachi Ltd | 金属薄膜磁気ヘッド |
US5170301A (en) * | 1988-08-03 | 1992-12-08 | Matsushita Electric Industrial Co., Ltd. | Magnetic head having core parts joined by low-melting point crystallized glass with composite gap |
DE3934284C2 (de) * | 1988-10-13 | 1994-06-16 | Canon Denshi Kk | Magnetkopf |
US4984118A (en) * | 1989-01-09 | 1991-01-08 | Springer Technologies | Flux-concentrating, non-ghosting electromagnetic read/write head |
US5001589A (en) * | 1989-05-31 | 1991-03-19 | Seagate Technology, Inc. | Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads |
US5216559A (en) * | 1990-06-01 | 1993-06-01 | Iomega Corporation | Carrier structure for read/write heads |
US5122917A (en) * | 1990-06-01 | 1992-06-16 | Iomega Corporation | Unitary read-write head array for magnetic media |
JPH04143911A (ja) * | 1990-10-05 | 1992-05-18 | Canon Electron Inc | 磁気ヘッド |
US5315469A (en) * | 1991-07-25 | 1994-05-24 | Applied Magnetics Corporation | Magnetic recording head which produces variable erase bands |
US5452166A (en) * | 1993-10-01 | 1995-09-19 | Applied Magnetics Corporation | Thin film magnetic recording head for minimizing undershoots and a method for manufacturing the same |
JPH1091912A (ja) * | 1996-09-17 | 1998-04-10 | Sony Corp | 磁気ヘッド |
US20070047122A1 (en) * | 2005-08-30 | 2007-03-01 | International Business Machines Corporation | Tape head having write devices and narrower read devices |
US8191234B2 (en) * | 2008-08-01 | 2012-06-05 | International Business Machines Corporation | Method of manufacturing a magnetic head with reinforcing islands |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3846840A (en) * | 1973-08-10 | 1974-11-05 | Ibm | Read/write and longitudinal edge erase head assembly having multiple similarly shaped layers |
JPS5542302A (en) * | 1978-09-14 | 1980-03-25 | Mitsubishi Electric Corp | Magnetic head |
JPS56156920A (en) * | 1980-04-30 | 1981-12-03 | Toshiba Corp | Composite magnetic head and its production |
JPS56169214A (en) * | 1980-06-02 | 1981-12-25 | Nippon Hoso Kyokai <Nhk> | Magnetic head |
JPS5744219A (en) * | 1980-08-27 | 1982-03-12 | Sony Corp | Magnetic head |
US4425701A (en) * | 1980-10-17 | 1984-01-17 | Matsushita Electric Industrial Co., Ltd. | Methods of making magnetic recording heads |
JPS57179925A (en) * | 1981-04-27 | 1982-11-05 | Toshiba Corp | Magnetic head |
US4642719A (en) * | 1982-02-18 | 1987-02-10 | Hitachi Metals, Ltd. | Magnetic head assembly |
JPS58155513A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 複合型磁気ヘツドおよびその製造方法 |
JPS598120A (ja) * | 1982-07-05 | 1984-01-17 | Sharp Corp | 磁気ヘツドの製造方法 |
JPS5924958A (ja) * | 1982-07-27 | 1984-02-08 | Sumitomo Special Metals Co Ltd | 薄膜磁気ヘッド用基板の製造方法 |
JPS5954024A (ja) * | 1982-09-22 | 1984-03-28 | Hitachi Ltd | 複合磁気ヘツド及びその製法 |
JPS59142716A (ja) * | 1983-02-04 | 1984-08-16 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
JPS59185015A (ja) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
JPH0539532A (ja) * | 1991-03-07 | 1993-02-19 | Sumitomo Metal Ind Ltd | 半導体ウエハ表面のCu回収方法 |
JP3189168B2 (ja) * | 1991-07-17 | 2001-07-16 | 旭化成株式会社 | 耐過放電性の非水系二次電池 |
-
1983
- 1983-04-04 JP JP58057816A patent/JPS59185015A/ja active Pending
-
1984
- 1984-04-02 US US06/694,386 patent/US4774616A/en not_active Expired - Fee Related
- 1984-04-02 EP EP84901409A patent/EP0140977B1/en not_active Expired - Lifetime
- 1984-04-02 WO PCT/JP1984/000159 patent/WO1984003984A1/ja active IP Right Grant
- 1984-04-02 DE DE8484901409T patent/DE3482609D1/de not_active Expired - Lifetime
- 1984-04-03 KR KR1019840001755A patent/KR920006124B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4774616A (en) | 1988-09-27 |
EP0140977A4 (en) | 1986-09-24 |
KR920006124B1 (ko) | 1992-07-27 |
DE3482609D1 (de) | 1990-08-02 |
EP0140977B1 (en) | 1990-06-27 |
WO1984003984A1 (en) | 1984-10-11 |
JPS59185015A (ja) | 1984-10-20 |
EP0140977A1 (en) | 1985-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |