KR930002393B1 - 자기헤드 - Google Patents
자기헤드 Download PDFInfo
- Publication number
- KR930002393B1 KR930002393B1 KR1019850002622A KR850002622A KR930002393B1 KR 930002393 B1 KR930002393 B1 KR 930002393B1 KR 1019850002622 A KR1019850002622 A KR 1019850002622A KR 850002622 A KR850002622 A KR 850002622A KR 930002393 B1 KR930002393 B1 KR 930002393B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- metal thin
- magnetic head
- nonmagnetic
- thin film
- Prior art date
Links
Images
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
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
- G11B5/1878—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film disposed immediately adjacent to the transducing gap, e.g. "Metal-In-Gap" structure
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP124805 | 1984-06-18 | ||
JP59124805A JPS613311A (ja) | 1984-06-18 | 1984-06-18 | 磁気ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860000629A KR860000629A (ko) | 1986-01-29 |
KR930002393B1 true KR930002393B1 (ko) | 1993-03-30 |
Family
ID=14894556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850002622A KR930002393B1 (ko) | 1984-06-18 | 1985-04-18 | 자기헤드 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS613311A (ja) |
KR (1) | KR930002393B1 (ja) |
CA (1) | CA1234626A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62117706U (ja) * | 1986-01-17 | 1987-07-27 | ||
JP2535819B2 (ja) * | 1986-01-21 | 1996-09-18 | ソニー株式会社 | 薄膜磁気ヘッドの製造方法 |
JPH0772926B2 (ja) * | 1986-02-12 | 1995-08-02 | ソニー株式会社 | 磁気ヘツドの製造方法 |
JPS644905A (en) * | 1987-06-29 | 1989-01-10 | Sony Corp | Composite magnetic head |
JPH01155509A (ja) * | 1987-12-14 | 1989-06-19 | Alps Electric Co Ltd | 磁気ヘッド |
JPH01177406U (ja) * | 1988-05-31 | 1989-12-19 | ||
JPH02141911A (ja) * | 1988-11-22 | 1990-05-31 | Tdk Corp | 磁気ヘッド |
JPH02192006A (ja) * | 1988-11-30 | 1990-07-27 | Mitsumi Electric Co Ltd | 磁気ヘッドとその製造方法 |
US5328583A (en) * | 1991-11-05 | 1994-07-12 | Canon Kabushiki Kaisha | Sputtering apparatus and process for forming lamination film employing the apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55129921A (en) * | 1980-02-06 | 1980-10-08 | Nippon Gakki Seizo Kk | Production of magnetic core |
JPS56169214A (en) * | 1980-06-02 | 1981-12-25 | Nippon Hoso Kyokai <Nhk> | Magnetic head |
JPS58155513A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 複合型磁気ヘツドおよびその製造方法 |
-
1984
- 1984-06-18 JP JP59124805A patent/JPS613311A/ja active Granted
-
1985
- 1985-03-19 CA CA000476838A patent/CA1234626A/en not_active Expired
- 1985-04-18 KR KR1019850002622A patent/KR930002393B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR860000629A (ko) | 1986-01-29 |
CA1234626A (en) | 1988-03-29 |
JPS613311A (ja) | 1986-01-09 |
JPH0475566B2 (ja) | 1992-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
O035 | Opposition [patent]: request for opposition | ||
E601 | Decision to refuse application | ||
O063 | Decision on refusal after opposition [patent]: decision to refuse application | ||
J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL Free format text: TRIAL NUMBER: 1994201002209; APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
E701 | Decision to grant or registration of patent right | ||
O073 | Decision to grant registration after opposition [patent]: decision to grant registration | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20030220 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |