JPH0241084B2 - - Google Patents
Info
- Publication number
- JPH0241084B2 JPH0241084B2 JP59005872A JP587284A JPH0241084B2 JP H0241084 B2 JPH0241084 B2 JP H0241084B2 JP 59005872 A JP59005872 A JP 59005872A JP 587284 A JP587284 A JP 587284A JP H0241084 B2 JPH0241084 B2 JP H0241084B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- yoke
- layer
- winding
- gap
- 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 - Lifetime
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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
-
- 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
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
- G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US490631 | 1983-05-02 | ||
US06/490,631 US4593334A (en) | 1983-05-02 | 1983-05-02 | Thin film transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6035317A JPS6035317A (ja) | 1985-02-23 |
JPH0241084B2 true JPH0241084B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-09-14 |
Family
ID=23948869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59005872A Granted JPS6035317A (ja) | 1983-05-02 | 1984-01-18 | 薄膜磁気変換器ヘッドの製造方法 |
Country Status (4)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814921A (en) * | 1984-10-17 | 1989-03-21 | Hitachi, Ltd. | Multilayered magnetic films and thin-film magnetic heads using the same as a pole |
US4694368A (en) * | 1986-01-10 | 1987-09-15 | Read-Rite Corporation | Thin film magnetic head with three superimposed coils |
JPH02199070A (ja) * | 1989-01-26 | 1990-08-07 | Nippon Steel Corp | 流し込み施工用耐火物 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190872A (en) * | 1978-12-21 | 1980-02-26 | International Business Machines Corporation | Thin film inductive transducer |
US4219854A (en) * | 1978-12-21 | 1980-08-26 | International Business Machines Corporation | Thin film magnetic head assembly |
US4335410A (en) * | 1979-01-15 | 1982-06-15 | Magnex Corporation | Thin film magnetic transducer |
JPS5814219U (ja) * | 1981-07-21 | 1983-01-28 | 松下電器産業株式会社 | 薄膜磁気ヘツド |
US4423451A (en) * | 1981-08-10 | 1983-12-27 | Sperry Corporation | Thin film magnetic head having disparate poles for pulse asymmetry compensation |
-
1983
- 1983-05-02 US US06/490,631 patent/US4593334A/en not_active Expired - Lifetime
-
1984
- 1984-01-18 JP JP59005872A patent/JPS6035317A/ja active Granted
- 1984-03-05 DE DE8484102330T patent/DE3472319D1/de not_active Expired
- 1984-03-05 EP EP84102330A patent/EP0126864B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6035317A (ja) | 1985-02-23 |
US4593334A (en) | 1986-06-03 |
EP0126864B1 (en) | 1988-06-22 |
EP0126864A1 (en) | 1984-12-05 |
DE3472319D1 (en) | 1988-07-28 |