CA1179771A - Perpendicular mode magnetic transducer head - Google Patents
Perpendicular mode magnetic transducer headInfo
- Publication number
- CA1179771A CA1179771A CA000399018A CA399018A CA1179771A CA 1179771 A CA1179771 A CA 1179771A CA 000399018 A CA000399018 A CA 000399018A CA 399018 A CA399018 A CA 399018A CA 1179771 A CA1179771 A CA 1179771A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic
- coil
- auxiliary
- main
- magnetic pole
- 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
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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4674681A JPS57162114A (en) | 1981-03-30 | 1981-03-30 | Magnetic head |
JP46746/81 | 1981-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1179771A true CA1179771A (en) | 1984-12-18 |
Family
ID=12755893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000399018A Expired CA1179771A (en) | 1981-03-30 | 1982-03-22 | Perpendicular mode magnetic transducer head |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS57162114A (nl) |
CA (1) | CA1179771A (nl) |
DE (1) | DE3211581A1 (nl) |
FR (1) | FR2502824B1 (nl) |
GB (1) | GB2095888B (nl) |
NL (1) | NL8201231A (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157819A (ja) * | 1983-02-25 | 1984-09-07 | Sony Corp | 垂直磁気記録用ヘツド |
WO1984003788A1 (en) * | 1983-03-22 | 1984-09-27 | Sony Corp | Single magnetic pole type of composite magnetic head for perpendicular recording |
JPH07101483B2 (ja) * | 1983-08-29 | 1995-11-01 | ソニー株式会社 | 薄膜型磁気ヘッド |
US4672494A (en) * | 1983-09-01 | 1987-06-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic head for effecting perpendicular magnetic recording |
JPS60197914A (ja) * | 1984-03-20 | 1985-10-07 | Olympus Optical Co Ltd | 垂直磁化型磁気ヘツド |
JPS6134710A (ja) * | 1984-07-26 | 1986-02-19 | Akai Electric Co Ltd | 磁気ヘツド |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810764B2 (ja) * | 1977-09-30 | 1983-02-28 | 岩崎 俊一 | 磁気記録再生装置 |
JPS5584015U (nl) * | 1978-12-07 | 1980-06-10 | ||
JPS56165918A (en) * | 1980-05-23 | 1981-12-19 | Ricoh Co Ltd | Vertical magnetic recorder and reproducer |
-
1981
- 1981-03-30 JP JP4674681A patent/JPS57162114A/ja active Granted
-
1982
- 1982-03-22 CA CA000399018A patent/CA1179771A/en not_active Expired
- 1982-03-24 NL NL8201231A patent/NL8201231A/nl not_active Application Discontinuation
- 1982-03-29 GB GB8209188A patent/GB2095888B/en not_active Expired
- 1982-03-29 DE DE19823211581 patent/DE3211581A1/de not_active Ceased
- 1982-03-29 FR FR8205338A patent/FR2502824B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3211581A1 (de) | 1982-12-02 |
FR2502824B1 (fr) | 1985-01-04 |
JPH0157405B2 (nl) | 1989-12-05 |
GB2095888A (en) | 1982-10-06 |
NL8201231A (nl) | 1982-10-18 |
GB2095888B (en) | 1984-09-26 |
FR2502824A1 (fr) | 1982-10-01 |
JPS57162114A (en) | 1982-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEC | Expiry (correction) | ||
MKEX | Expiry |