KR920002613B1 - 비행형 합성 자기 헤드용 자기 코어 - Google Patents
비행형 합성 자기 헤드용 자기 코어 Download PDFInfo
- Publication number
- KR920002613B1 KR920002613B1 KR1019890003871A KR890003871A KR920002613B1 KR 920002613 B1 KR920002613 B1 KR 920002613B1 KR 1019890003871 A KR1019890003871 A KR 1019890003871A KR 890003871 A KR890003871 A KR 890003871A KR 920002613 B1 KR920002613 B1 KR 920002613B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- core
- core member
- thin
- layer
- 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
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
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/105—Mounting of head within housing or assembling of head and housing
-
- 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
- G11B5/1272—Assembling or shaping of elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63075258A JPH0827898B2 (ja) | 1988-03-29 | 1988-03-29 | 浮上型複合磁気ヘッド及びその磁気コア |
| JP63-75258 | 1988-03-29 | ||
| JP75258 | 1988-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890015199A KR890015199A (ko) | 1989-10-28 |
| KR920002613B1 true KR920002613B1 (ko) | 1992-03-30 |
Family
ID=13571015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890003871A Expired KR920002613B1 (ko) | 1988-03-29 | 1989-03-28 | 비행형 합성 자기 헤드용 자기 코어 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4999726B1 (enExample) |
| JP (1) | JPH0827898B2 (enExample) |
| KR (1) | KR920002613B1 (enExample) |
| DE (1) | DE3910171A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04176007A (ja) * | 1990-07-23 | 1992-06-23 | Hitachi Metals Ltd | 浮上型磁気ヘッドの製造方法 |
| US7535674B2 (en) * | 2004-09-09 | 2009-05-19 | Hitachi Global Storage Technologies Netherlands B.V. | Narrow pitch tape head array using an orthogonal backgap |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3562444A (en) * | 1968-02-29 | 1971-02-09 | Ibm | Recording head assembly |
| US3823416A (en) * | 1973-03-01 | 1974-07-09 | Ibm | Flying magnetic transducer assembly having three rails |
| JPS54105512A (en) * | 1978-02-06 | 1979-08-18 | Sanyo Electric Co Ltd | Manetic head |
| JPS5814311A (ja) * | 1981-07-16 | 1983-01-27 | Nec Corp | 複合薄膜磁気ヘツド |
| JPS60154310A (ja) * | 1984-01-24 | 1985-08-14 | Hitachi Metals Ltd | 複合型磁気ヘツド |
| JPS61199217A (ja) * | 1985-02-28 | 1986-09-03 | Hitachi Metals Ltd | 複合型浮上磁気ヘツド |
| JPS61239411A (ja) * | 1985-04-17 | 1986-10-24 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
| JPS6288109A (ja) * | 1985-10-14 | 1987-04-22 | Hitachi Ltd | アモルフアス磁性合金磁気ヘツドおよびその製法 |
| JPS62198511U (enExample) * | 1986-06-03 | 1987-12-17 | ||
| DE3621873A1 (de) * | 1986-06-30 | 1988-01-14 | Grundig Emv | Verfahren zur herstellung eines magnetkopfes |
| JPH0827892B2 (ja) * | 1986-08-13 | 1996-03-21 | セイコーエプソン株式会社 | 磁気ヘツドの製造方法 |
| JPH0731782B2 (ja) * | 1986-10-28 | 1995-04-10 | アルプス電気株式会社 | 浮動式磁気ヘツド |
| JPS63211110A (ja) * | 1987-02-27 | 1988-09-02 | Pioneer Electronic Corp | 磁気ヘツドの製造方法 |
-
1988
- 1988-03-29 JP JP63075258A patent/JPH0827898B2/ja not_active Expired - Lifetime
-
1989
- 1989-03-27 US US07329324 patent/US4999726B1/en not_active Expired - Fee Related
- 1989-03-28 KR KR1019890003871A patent/KR920002613B1/ko not_active Expired
- 1989-03-29 DE DE3910171A patent/DE3910171A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01248303A (ja) | 1989-10-03 |
| US4999726B1 (en) | 1995-04-04 |
| US4999726A (en) | 1991-03-12 |
| JPH0827898B2 (ja) | 1996-03-21 |
| KR890015199A (ko) | 1989-10-28 |
| DE3910171A1 (de) | 1989-10-19 |
| DE3910171C2 (enExample) | 1993-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5008767A (en) | Flying-type composite magnetic head having magnetic core with improved flatness of air-bearing surface | |
| JPS6124806B2 (enExample) | ||
| US5016129A (en) | Flying-type composite magnetic head with appropriate bonding glasses and method of producing same | |
| KR920002613B1 (ko) | 비행형 합성 자기 헤드용 자기 코어 | |
| EP0356155A2 (en) | Magnetic head | |
| US5010431A (en) | Flying-type composite magnetic head | |
| US5168407A (en) | Flying magnetic head | |
| JP3125127B2 (ja) | 浮動型磁気ヘッドの表面仕上げ方法 | |
| JPH0686309B2 (ja) | 磁気ヘッド並びにその製造方法及び磁気記録再生装置 | |
| US5806172A (en) | Method for manufacturing a magnetic head | |
| JPS6341609Y2 (enExample) | ||
| JPH02263307A (ja) | 浮上型複合磁気ヘッド | |
| JPH0235619A (ja) | 浮上型複合磁気ヘッド及びその製造方法 | |
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| JPH0110731Y2 (enExample) | ||
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| JPH07118053B2 (ja) | 磁気ヘッド |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| 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 |
|
| 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 |
|
| 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: 19950331 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: 19950331 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |