JPS56137517A - Magnetic head and its manufacture - Google Patents
Magnetic head and its manufactureInfo
- Publication number
- JPS56137517A JPS56137517A JP4149480A JP4149480A JPS56137517A JP S56137517 A JPS56137517 A JP S56137517A JP 4149480 A JP4149480 A JP 4149480A JP 4149480 A JP4149480 A JP 4149480A JP S56137517 A JPS56137517 A JP S56137517A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- sio2
- layer
- vacuum
- vitreous oxide
- 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.)
- Granted
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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
- G11B5/235—Selection of material for gap filler
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4149480A JPS56137517A (en) | 1980-03-31 | 1980-03-31 | Magnetic head and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4149480A JPS56137517A (en) | 1980-03-31 | 1980-03-31 | Magnetic head and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56137517A true JPS56137517A (en) | 1981-10-27 |
JPS6346485B2 JPS6346485B2 (ja) | 1988-09-16 |
Family
ID=12609902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4149480A Granted JPS56137517A (en) | 1980-03-31 | 1980-03-31 | Magnetic head and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56137517A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59146426A (ja) * | 1983-02-10 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
JPS6020306A (ja) * | 1983-07-15 | 1985-02-01 | Hitachi Ltd | 磁気ヘッド |
JPS6063705A (ja) * | 1983-09-19 | 1985-04-12 | Sanyo Electric Co Ltd | 磁気ヘツド |
EP0138580A2 (en) * | 1983-10-12 | 1985-04-24 | Matsushita Electric Industrial Co., Ltd. | Alloy magnetic recording head |
JPS60146908U (ja) * | 1984-03-12 | 1985-09-30 | 三洋電機株式会社 | 磁気ヘツド |
JPS60231905A (ja) * | 1984-04-30 | 1985-11-18 | Nec Kansai Ltd | 磁気ヘツドの製造方法 |
US5628106A (en) * | 1993-06-22 | 1997-05-13 | Citizen Watch Co., Ltd. | Method of manufacturing magnetic head |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4811294U (ja) * | 1971-06-22 | 1973-02-08 | ||
JPS4865916A (ja) * | 1971-12-10 | 1973-09-10 | ||
JPS5027520A (ja) * | 1973-07-09 | 1975-03-20 | ||
JPS5085322A (ja) * | 1973-11-28 | 1975-07-09 | ||
JPS52126212A (en) * | 1976-04-14 | 1977-10-22 | Matsushita Electric Ind Co Ltd | Magnetic head magnetic gap shaping |
JPS5446021A (en) * | 1977-09-19 | 1979-04-11 | Matsushita Electric Ind Co Ltd | Magnetic head and production of the same |
-
1980
- 1980-03-31 JP JP4149480A patent/JPS56137517A/ja active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4811294U (ja) * | 1971-06-22 | 1973-02-08 | ||
JPS4865916A (ja) * | 1971-12-10 | 1973-09-10 | ||
JPS5027520A (ja) * | 1973-07-09 | 1975-03-20 | ||
JPS5085322A (ja) * | 1973-11-28 | 1975-07-09 | ||
JPS52126212A (en) * | 1976-04-14 | 1977-10-22 | Matsushita Electric Ind Co Ltd | Magnetic head magnetic gap shaping |
JPS5446021A (en) * | 1977-09-19 | 1979-04-11 | Matsushita Electric Ind Co Ltd | Magnetic head and production of the same |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59146426A (ja) * | 1983-02-10 | 1984-08-22 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
JPH0328722B2 (ja) * | 1983-02-10 | 1991-04-22 | Matsushita Electric Ind Co Ltd | |
JPS6020306A (ja) * | 1983-07-15 | 1985-02-01 | Hitachi Ltd | 磁気ヘッド |
JPH0480446B2 (ja) * | 1983-07-15 | 1992-12-18 | Hitachi Ltd | |
JPS6063705A (ja) * | 1983-09-19 | 1985-04-12 | Sanyo Electric Co Ltd | 磁気ヘツド |
JPH0462125B2 (ja) * | 1983-09-19 | 1992-10-05 | Sanyo Electric Co | |
EP0138580A2 (en) * | 1983-10-12 | 1985-04-24 | Matsushita Electric Industrial Co., Ltd. | Alloy magnetic recording head |
JPS60146908U (ja) * | 1984-03-12 | 1985-09-30 | 三洋電機株式会社 | 磁気ヘツド |
JPH0416244Y2 (ja) * | 1984-03-12 | 1992-04-13 | ||
JPS60231905A (ja) * | 1984-04-30 | 1985-11-18 | Nec Kansai Ltd | 磁気ヘツドの製造方法 |
US5628106A (en) * | 1993-06-22 | 1997-05-13 | Citizen Watch Co., Ltd. | Method of manufacturing magnetic head |
Also Published As
Publication number | Publication date |
---|---|
JPS6346485B2 (ja) | 1988-09-16 |
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