DE2907806C2 - - Google Patents
Info
- Publication number
- DE2907806C2 DE2907806C2 DE2907806A DE2907806A DE2907806C2 DE 2907806 C2 DE2907806 C2 DE 2907806C2 DE 2907806 A DE2907806 A DE 2907806A DE 2907806 A DE2907806 A DE 2907806A DE 2907806 C2 DE2907806 C2 DE 2907806C2
- Authority
- DE
- Germany
- 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
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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/21—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 of ferrous sheet metal or other magnetic layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2322178A JPS54116209A (en) | 1978-03-01 | 1978-03-01 | Magnetic head |
JP2561178A JPS54118813A (en) | 1978-03-07 | 1978-03-07 | Magnetic head |
JP732179A JPS55101121A (en) | 1979-01-23 | 1979-01-23 | Magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2907806A1 DE2907806A1 (de) | 1980-01-10 |
DE2907806C2 true DE2907806C2 (US07902200-20110308-C00004.png) | 1987-01-15 |
Family
ID=27277561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792907806 Granted DE2907806A1 (de) | 1978-03-01 | 1979-02-28 | Magnetkopf |
Country Status (2)
Country | Link |
---|---|
US (1) | US4368496A (US07902200-20110308-C00004.png) |
DE (1) | DE2907806A1 (US07902200-20110308-C00004.png) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4745509A (en) * | 1981-08-21 | 1988-05-17 | Matsushita Electric Industrial Company, Limited | Magnetic head with improved supporter for perpendicular magnetization recording |
US4745505A (en) * | 1983-07-04 | 1988-05-17 | U.S. Philips Corporation | Magnetic head with a modified gap filler |
JPS61126606A (ja) * | 1984-11-22 | 1986-06-14 | Alps Electric Co Ltd | 垂直磁気記録用磁気ヘツド |
EP0191447B1 (en) * | 1985-02-15 | 1992-05-13 | Matsushita Electric Industrial Co., Ltd. | Magnetic head |
US5032944A (en) * | 1989-01-12 | 1991-07-16 | Mitsubishi Denki Kabushiki Kaisha | Membrane type magnetic head |
JPH05182127A (ja) * | 1992-01-08 | 1993-07-23 | Matsushita Electric Ind Co Ltd | 磁気ヘッドおよび磁気記録装置 |
JPH0644516A (ja) * | 1992-07-24 | 1994-02-18 | Matsushita Electric Ind Co Ltd | 磁気ヘッド |
ES2070701B1 (es) * | 1992-12-31 | 1997-07-01 | Alcatel Standard Electrica | Metodo de relajacion de tensiones internas en nucleos de cabezas sensoras de campos magneticos. |
US5910335A (en) * | 1995-05-09 | 1999-06-08 | Daido Tokushuko Kabushiki Kaisha | Product bonded with resin paint and the process of bonding |
JPH1196520A (ja) * | 1997-09-17 | 1999-04-09 | Fujitsu Ltd | 磁気ヘッド及びその製造方法並びに該磁気ヘッドを備えた磁気記録装置 |
US6198608B1 (en) | 1999-03-18 | 2001-03-06 | Read-Rite Corporation | MR sensor with blunt contiguous junction and slow-milling-rate read gap |
CN103918048B (zh) * | 2011-11-08 | 2016-09-28 | 株式会社东芝 | 非接触受电装置用磁性片材和使用该磁性片材的非接触受电装置、电子设备、以及非接触充电装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE961662C (de) * | 1953-09-10 | 1957-04-11 | Telefunken Gmbh | Spaltfuellung fuer Magnetisierungskopf |
US3417465A (en) * | 1964-05-19 | 1968-12-24 | Minnesota Mining & Mfg | Method of making laminated magnetic head |
DE1931003C3 (de) * | 1969-06-19 | 1978-04-13 | Robert Bosch Gmbh, 7000 Stuttgart | Magnetkopf für ein Magnetspeichergerät |
BE789510A (fr) * | 1971-09-30 | 1973-03-29 | Siemens Ag | Noyau magnetique feuillete pour des tetes d'ecriture, de lecture et d'effacement dans des appareils a memoire a couche magnetique |
GB1440968A (en) * | 1973-06-28 | 1976-06-30 | Whetstone Clayton N | Laminated magnetically soft material and method of making same |
SU504234A1 (ru) * | 1974-07-04 | 1976-02-25 | Предприятие П/Я Г-4677 | Магнитна головка |
DD121998A1 (US07902200-20110308-C00004.png) * | 1975-10-09 | 1976-09-05 | ||
SU601746A1 (ru) * | 1976-11-18 | 1978-04-05 | Всесоюзный научно-исследовательский институт телевидения и радиовещания | Способ изготовлени сердечника магнитной головки |
-
1979
- 1979-02-28 DE DE19792907806 patent/DE2907806A1/de active Granted
-
1981
- 1981-01-29 US US06/230,107 patent/US4368496A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4368496A (en) | 1983-01-11 |
DE2907806A1 (de) | 1980-01-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |