ATE151555T1 - Magnetkopf mit kernteil aus polykristallinem mnzn-ferroferrit - Google Patents
Magnetkopf mit kernteil aus polykristallinem mnzn-ferroferritInfo
- Publication number
- ATE151555T1 ATE151555T1 AT92203306T AT92203306T ATE151555T1 AT E151555 T1 ATE151555 T1 AT E151555T1 AT 92203306 T AT92203306 T AT 92203306T AT 92203306 T AT92203306 T AT 92203306T AT E151555 T1 ATE151555 T1 AT E151555T1
- Authority
- AT
- Austria
- Prior art keywords
- ferroferrite
- core part
- part made
- magnet head
- mnzn
- 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
- G11B5/127—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
- G11B5/1274—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
-
- 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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
-
- 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
- G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
-
- 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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91202856 | 1991-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE151555T1 true ATE151555T1 (de) | 1997-04-15 |
Family
ID=8207980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92203306T ATE151555T1 (de) | 1991-11-04 | 1992-10-28 | Magnetkopf mit kernteil aus polykristallinem mnzn-ferroferrit |
Country Status (5)
Country | Link |
---|---|
US (1) | US6088198A (de) |
JP (1) | JPH05217108A (de) |
KR (1) | KR100260807B1 (de) |
AT (1) | ATE151555T1 (de) |
DE (1) | DE69218884T2 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54121108A (en) * | 1978-03-13 | 1979-09-20 | Akai Electric | Mnnzn ferrite monocrystal magnetic head and method of fabricating same |
JPS5622207A (en) * | 1979-07-31 | 1981-03-02 | Matsushita Electric Ind Co Ltd | Magnetic head |
NL8200480A (nl) * | 1982-02-09 | 1983-09-01 | Philips Nv | Magneetkop. |
JPS60138708A (ja) * | 1983-12-27 | 1985-07-23 | Ngk Insulators Ltd | 磁気ヘッド用コアの製造法 |
US4521323A (en) * | 1984-06-27 | 1985-06-04 | Matsushita Electric Industrial Co., Ltd. | Polycrystalline ferrite and a magnetic head using the same |
CN1008844B (zh) * | 1984-10-02 | 1990-07-18 | 株式会社日立制作所 | 薄膜磁头滑块和制备薄膜磁头滑块材料的方法 |
JPH0622053B2 (ja) * | 1986-04-23 | 1994-03-23 | 住友特殊金属株式会社 | 基板材料 |
US5049454A (en) * | 1988-07-04 | 1991-09-17 | U.S. Philips Corporation | Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material |
JP2799238B2 (ja) * | 1990-10-23 | 1998-09-17 | 信越化学工業株式会社 | Mn―Znフェライト接合体の製造方法 |
-
1992
- 1992-10-28 AT AT92203306T patent/ATE151555T1/de not_active IP Right Cessation
- 1992-10-28 DE DE69218884T patent/DE69218884T2/de not_active Expired - Fee Related
- 1992-10-31 KR KR1019920020333A patent/KR100260807B1/ko not_active IP Right Cessation
- 1992-11-02 JP JP4294448A patent/JPH05217108A/ja active Pending
-
1995
- 1995-06-16 US US08/491,511 patent/US6088198A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR930010863A (ko) | 1993-06-23 |
DE69218884T2 (de) | 1997-10-16 |
DE69218884D1 (de) | 1997-05-15 |
US6088198A (en) | 2000-07-11 |
JPH05217108A (ja) | 1993-08-27 |
KR100260807B1 (ko) | 2000-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |