KR930002392B1 - 자기헤드 - Google Patents
자기헤드 Download PDFInfo
- Publication number
- KR930002392B1 KR930002392B1 KR1019850002104A KR850002104A KR930002392B1 KR 930002392 B1 KR930002392 B1 KR 930002392B1 KR 1019850002104 A KR1019850002104 A KR 1019850002104A KR 850002104 A KR850002104 A KR 850002104A KR 930002392 B1 KR930002392 B1 KR 930002392B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- metal thin
- film
- ferromagnetic metal
- thin film
- 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 - Fee Related
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 |
---|---|---|---|
JP59061852A JPS60205808A (ja) | 1984-03-29 | 1984-03-29 | 磁気ヘツド |
JP61852 | 1984-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850006946A KR850006946A (ko) | 1985-10-25 |
KR930002392B1 true KR930002392B1 (ko) | 1993-03-30 |
Family
ID=13183036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850002104A Expired - Fee Related KR930002392B1 (ko) | 1984-03-29 | 1985-03-29 | 자기헤드 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS60205808A (enrdf_load_stackoverflow) |
KR (1) | KR930002392B1 (enrdf_load_stackoverflow) |
CA (1) | CA1235483A (enrdf_load_stackoverflow) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62141613A (ja) * | 1985-12-17 | 1987-06-25 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
JPH0772927B2 (ja) * | 1985-12-18 | 1995-08-02 | ソニー株式会社 | 磁気ヘツド |
JPS62145511A (ja) * | 1985-12-20 | 1987-06-29 | Hitachi Ltd | 磁気ヘツド |
JPH0758527B2 (ja) * | 1986-01-10 | 1995-06-21 | 株式会社日立製作所 | 磁気ヘツド |
JPS62291709A (ja) * | 1986-06-10 | 1987-12-18 | Akai Electric Co Ltd | 磁気ヘツドの製造方法 |
JPH0656645B2 (ja) * | 1986-06-13 | 1994-07-27 | アルプス電気株式会社 | 磁気ヘツド |
JPH0727612B2 (ja) * | 1986-12-09 | 1995-03-29 | アルプス電気株式会社 | 磁気ヘツドコア |
JP2567725B2 (ja) * | 1990-08-31 | 1996-12-25 | 三洋電機株式会社 | 浮動型磁気ヘッドの製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55117723A (en) * | 1979-02-28 | 1980-09-10 | Sony Corp | Magnetic head |
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 |
JPS59142716A (ja) * | 1983-02-04 | 1984-08-16 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
-
1984
- 1984-03-29 JP JP59061852A patent/JPS60205808A/ja active Granted
-
1985
- 1985-03-19 CA CA000476839A patent/CA1235483A/en not_active Expired
- 1985-03-29 KR KR1019850002104A patent/KR930002392B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1235483A (en) | 1988-04-19 |
KR850006946A (ko) | 1985-10-25 |
JPS60205808A (ja) | 1985-10-17 |
JPH0475563B2 (enrdf_load_stackoverflow) | 1992-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR910007861B1 (ko) | 자기 헤드 및 그 제조방법 | |
US4819113A (en) | Magnetic transducer head with inclined magnetic gap | |
EP0140977B1 (en) | Magnetic head and method of manufacture thereof | |
US5157569A (en) | Thin film magnetic head | |
US4788611A (en) | Magnetic transducer head | |
KR930002394B1 (ko) | 자기헤드 | |
KR930002392B1 (ko) | 자기헤드 | |
KR960005114B1 (ko) | 자기 헤드 | |
JPS6214313A (ja) | 磁気ヘツド | |
JPS60231903A (ja) | 複合型磁気ヘツドおよびその製造方法 | |
KR940011675B1 (ko) | 자기헤드의 제조방법 | |
KR960008040Y1 (ko) | 적층자기헤드 | |
JPS61105710A (ja) | 磁気ヘツドの製造方法 | |
JPH04221408A (ja) | 積層型磁気ヘッドおよびその製造方法 | |
JPH0283807A (ja) | 磁気ヘッドの製造方法 | |
JP2000090408A (ja) | 磁気ヘッド及びその製造方法 | |
JPH08255310A (ja) | 磁気ヘッド及びその製造方法 | |
JP2005259183A (ja) | 磁気ヘッドおよびその製造方法 | |
JPH0795364B2 (ja) | 磁気ヘツド | |
JPS63164010A (ja) | 磁気ヘツドの製造方法 | |
JPH08180308A (ja) | コア薄膜磁気ヘッド | |
JPS63306505A (ja) | 複合型磁気ヘッド用コアの製造法 | |
JPS63255801A (ja) | 複合磁気ヘツドの製造方法 | |
JPS62125509A (ja) | 磁気ヘツド | |
JPH0648528B2 (ja) | 磁気ヘツド |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 7 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 8 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 9 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20030220 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20040331 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20040331 |
|
R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |