JPH0345446B2 - - Google Patents
Info
- Publication number
- JPH0345446B2 JPH0345446B2 JP61034117A JP3411786A JPH0345446B2 JP H0345446 B2 JPH0345446 B2 JP H0345446B2 JP 61034117 A JP61034117 A JP 61034117A JP 3411786 A JP3411786 A JP 3411786A JP H0345446 B2 JPH0345446 B2 JP H0345446B2
- Authority
- JP
- Japan
- Prior art keywords
- main pole
- substrate
- magnetic recording
- magnetic
- winding core
- 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
- 239000000758 substrate Substances 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 31
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 239000005300 metallic glass Substances 0.000 description 3
- 229910018605 Ni—Zn Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61034117A JPS62192016A (ja) | 1986-02-19 | 1986-02-19 | 垂直磁気記録用磁気ヘツドおよびその製造方法 |
| KR1019860007898A KR900004742B1 (ko) | 1986-02-19 | 1986-09-22 | 수직 자기기록용 자기헤드 및 그 제조방법 |
| US06/948,024 US4768121A (en) | 1986-02-19 | 1986-12-31 | Magnetic head formed by composite main pole film and winding core for perpendicular magnetic recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61034117A JPS62192016A (ja) | 1986-02-19 | 1986-02-19 | 垂直磁気記録用磁気ヘツドおよびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62192016A JPS62192016A (ja) | 1987-08-22 |
| JPH0345446B2 true JPH0345446B2 (en]) | 1991-07-11 |
Family
ID=12405315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61034117A Granted JPS62192016A (ja) | 1986-02-19 | 1986-02-19 | 垂直磁気記録用磁気ヘツドおよびその製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4768121A (en]) |
| JP (1) | JPS62192016A (en]) |
| KR (1) | KR900004742B1 (en]) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0315361B1 (en) * | 1987-10-30 | 1994-01-26 | Seagate Technology, Inc. | Magnetic head for perpendicular magnetic recording system and process |
| JPH0719460B2 (ja) * | 1989-03-16 | 1995-03-06 | ティーディーケイ株式会社 | 浮動型磁気ヘッド |
| US5001589A (en) * | 1989-05-31 | 1991-03-19 | Seagate Technology, Inc. | Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads |
| US5270888A (en) * | 1992-02-21 | 1993-12-14 | Applied Magnetics Corporation | Composite slider head with reduced readback oscillation |
| JPH09503607A (ja) * | 1993-10-07 | 1997-04-08 | クワンタム・ペリフェラルズ・コロラド・インコーポレーテッド | ロール・モーメントに対する感受性を低下させた定浮上量スライダ |
| US6416880B1 (en) * | 1993-12-09 | 2002-07-09 | Seagate Technology, Llc | Amorphous permalloy films and method of preparing the same |
| US5808832A (en) * | 1996-02-27 | 1998-09-15 | International Business Machines Corporation | Ultrathin silicon wear coating for a slider and thin film magnetic head elements at an ABS |
| JP4519393B2 (ja) * | 2002-04-10 | 2010-08-04 | 新科實業有限公司 | 垂直磁気記録ヘッドおよびその製造方法、ならびに磁気記録装置 |
| US7038882B2 (en) * | 2002-10-03 | 2006-05-02 | Seagate Technology | Low moment-high moment write pole with non-magnetic layer for establishing a magnetic path discontinuity between layers of the write pole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119220A (en) * | 1978-03-08 | 1979-09-17 | Olympus Optical Co Ltd | Magnetic head |
| US4219853A (en) * | 1978-12-21 | 1980-08-26 | International Business Machines Corporation | Read/write thin film head |
| JPS60131613A (ja) * | 1983-12-20 | 1985-07-13 | Alps Electric Co Ltd | 浮動磁気ヘツド |
| US4648087A (en) * | 1984-06-28 | 1987-03-03 | International Business Machines Corporation | Capacitive sensing employing thin film inductors |
| JPS6151615A (ja) * | 1984-08-22 | 1986-03-14 | Alps Electric Co Ltd | 浮動式磁気ヘツド |
| JPS6180519A (ja) * | 1984-09-26 | 1986-04-24 | Victor Co Of Japan Ltd | 浮動形磁気ヘツド |
-
1986
- 1986-02-19 JP JP61034117A patent/JPS62192016A/ja active Granted
- 1986-09-22 KR KR1019860007898A patent/KR900004742B1/ko not_active Expired
- 1986-12-31 US US06/948,024 patent/US4768121A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4768121A (en) | 1988-08-30 |
| KR870008282A (ko) | 1987-09-25 |
| KR900004742B1 (ko) | 1990-07-05 |
| JPS62192016A (ja) | 1987-08-22 |
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