JPH0546010B2 - - Google Patents
Info
- Publication number
- JPH0546010B2 JPH0546010B2 JP58250988A JP25098883A JPH0546010B2 JP H0546010 B2 JPH0546010 B2 JP H0546010B2 JP 58250988 A JP58250988 A JP 58250988A JP 25098883 A JP25098883 A JP 25098883A JP H0546010 B2 JPH0546010 B2 JP H0546010B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- thin film
- film
- metal thin
- magnetic head
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 242
- 239000010409 thin film Substances 0.000 claims description 132
- 239000002184 metal Substances 0.000 claims description 113
- 239000010408 film Substances 0.000 claims description 102
- 230000005294 ferromagnetic effect Effects 0.000 claims description 77
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 description 65
- 229910000702 sendust Inorganic materials 0.000 description 55
- 229910000859 α-Fe Inorganic materials 0.000 description 42
- 239000011521 glass Substances 0.000 description 34
- 239000013078 crystal Substances 0.000 description 23
- 230000035699 permeability Effects 0.000 description 22
- 230000008018 melting Effects 0.000 description 21
- 238000002844 melting Methods 0.000 description 21
- 239000000696 magnetic material Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 18
- 238000004544 sputter deposition Methods 0.000 description 16
- 238000004804 winding Methods 0.000 description 15
- 239000010410 layer Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000002131 composite material Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007740 vapor deposition 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
- 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
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58250988A JPS60229210A (ja) | 1983-12-30 | 1983-12-30 | 磁気ヘツド |
CA000470379A CA1236212A (en) | 1983-12-30 | 1984-12-18 | Magnetic transducer head with slanted thin film |
AU37074/84A AU582736B2 (en) | 1983-12-30 | 1984-12-21 | Magnetic transducer head |
GB08432443A GB2153581B (en) | 1983-12-30 | 1984-12-21 | Magnetic transducer heads |
US06/686,540 US4755899A (en) | 1983-12-30 | 1984-12-26 | Magnetic transducer head having an alloy thin film of high saturation magnetic flux density slantly provided with respect to an operating magnetic gap formed therein |
IT49363/84A IT1182707B (it) | 1983-12-30 | 1984-12-27 | Testa magnetica trasduttrice e metodo per la sua produzione |
DE3447700A DE3447700A1 (de) | 1983-12-30 | 1984-12-28 | Magnetischer wandlerkopf |
FR8420082A FR2558000B1 (fr) | 1983-12-30 | 1984-12-28 | Tete de transducteur magnetique. |
AT4127/84A AT393566B (de) | 1983-12-30 | 1984-12-28 | Magnetwandlerkopf |
KR1019840008544A KR930002481B1 (ko) | 1983-12-30 | 1984-12-29 | 자기 헤드 |
NL8403971A NL194772C (nl) | 1983-12-30 | 1984-12-31 | Magnetische transducentkop, alsmede werkwijze voor het vervaardigen ervan. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58250988A JPS60229210A (ja) | 1983-12-30 | 1983-12-30 | 磁気ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60229210A JPS60229210A (ja) | 1985-11-14 |
JPH0546010B2 true JPH0546010B2 (US07534539-20090519-C00280.png) | 1993-07-12 |
Family
ID=17215993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58250988A Granted JPS60229210A (ja) | 1983-12-30 | 1983-12-30 | 磁気ヘツド |
Country Status (3)
Country | Link |
---|---|
US (1) | US4755899A (US07534539-20090519-C00280.png) |
JP (1) | JPS60229210A (US07534539-20090519-C00280.png) |
KR (1) | KR930002481B1 (US07534539-20090519-C00280.png) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62145516A (ja) * | 1985-12-19 | 1987-06-29 | Sony Corp | 磁気ヘツド |
DE3628950A1 (de) * | 1986-08-26 | 1988-03-03 | Grundig Emv | Verfahren zur herstellung eines magnetkopfes |
JPS63146202A (ja) * | 1986-12-09 | 1988-06-18 | Canon Electronics Inc | 磁気ヘツド及びその製造方法 |
JP2513205B2 (ja) * | 1987-02-04 | 1996-07-03 | ソニー株式会社 | 複合磁気ヘツド |
KR0126289B1 (ko) * | 1988-02-09 | 1997-12-26 | 이우에 사또시 | 자기 헤드 및 그 제조 방법 |
US5038242A (en) * | 1988-05-13 | 1991-08-06 | Citizen Watch Co., Ltd. | Magnetic head containing a barrier layer |
US5029032A (en) * | 1988-10-19 | 1991-07-02 | Tdk Corporation | Magnetic head for high density recording |
JP2759271B2 (ja) * | 1989-01-17 | 1998-05-28 | 日本ビクター株式会社 | 磁気ヘッドとその製造方法 |
US5208965A (en) * | 1989-01-17 | 1993-05-11 | Victor Company Of Japan, Ltd. | Method for producing magnetic head having track regulation grooves formed at tape sliding surface |
US5001589A (en) * | 1989-05-31 | 1991-03-19 | Seagate Technology, Inc. | Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads |
JPH03259407A (ja) * | 1990-02-07 | 1991-11-19 | Mitsubishi Electric Corp | 複合型磁気ヘッド |
US5086360A (en) * | 1990-09-06 | 1992-02-04 | Applied Magnetics Corporation | Constant flying height slider |
US5423116A (en) * | 1993-07-21 | 1995-06-13 | Storage Technology Corporation | Method of manufacturing a multi-track longitudinal, metal-in-gap head |
US5394285A (en) * | 1993-07-21 | 1995-02-28 | Storage Technology Corporation | Multi-track longitudinal, metal-in-gap head |
JP2961034B2 (ja) * | 1993-09-16 | 1999-10-12 | アルプス電気株式会社 | 磁気ヘッド |
US5594608A (en) * | 1994-06-22 | 1997-01-14 | Storage Technology Corporation | Magnetic tape head with a high saturation flux density magnetic pole interposed between a nonmagnetic closure section and a magnetic ferrite substrate |
KR100709288B1 (ko) * | 2005-07-29 | 2007-04-19 | 한국과학기술연구원 | 수직 자기 이방성이 우수한 CoPtP 합금 박막 및 그 제조 방법 |
US20110238177A1 (en) * | 2010-03-25 | 2011-09-29 | Joseph Anthony Farco | Biomechatronic Device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56124112A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | 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 |
JPS58175122A (ja) * | 1982-04-07 | 1983-10-14 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL263324A (US07534539-20090519-C00280.png) * | 1961-04-07 | |||
JPS43195Y1 (US07534539-20090519-C00280.png) * | 1964-12-29 | 1968-01-08 | ||
JPS55117723A (en) * | 1979-02-28 | 1980-09-10 | Sony Corp | Magnetic head |
JPS5715217A (en) * | 1980-06-30 | 1982-01-26 | Hitachi Ltd | Magnetic head and its manufacture |
JPS57189323A (en) * | 1981-05-18 | 1982-11-20 | Hitachi Ltd | Composite magnetic head and its manufacture |
JPS59142716A (ja) * | 1983-02-04 | 1984-08-16 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
-
1983
- 1983-12-30 JP JP58250988A patent/JPS60229210A/ja active Granted
-
1984
- 1984-12-26 US US06/686,540 patent/US4755899A/en not_active Expired - Lifetime
- 1984-12-29 KR KR1019840008544A patent/KR930002481B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56124112A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | 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 |
JPS58175122A (ja) * | 1982-04-07 | 1983-10-14 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS60229210A (ja) | 1985-11-14 |
KR930002481B1 (ko) | 1993-04-02 |
US4755899A (en) | 1988-07-05 |
KR850004831A (ko) | 1985-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |