NL192638C - Magnetische transductorkop. - Google Patents

Magnetische transductorkop. Download PDF

Info

Publication number: NL192638C
Authority: NL; Netherlands
Prior art keywords: magnetic; film; thin; films; ferrite
Prior art date: 1984-03-29

Application number

NL8500887A

Other languages

English (en)

Dutch (nl)

Other versions

NL192638B (nl

NL8500887A (nl

Original Assignee

Sony Corp

Priority date (The priority date 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 date listed.)

1984-03-29

Filing date

1985-03-26

Publication date

1997-11-04

1984-03-29 Priority claimed from JP59061852A external-priority patent/JPS60205808A/ja

1984-06-18 Priority claimed from JP59124805A external-priority patent/JPS613311A/ja

1985-01-26 Priority claimed from JP60013132A external-priority patent/JPH0656647B2/ja

1985-03-26 Application filed by Sony Corp filed Critical Sony Corp

1985-10-16 Publication of NL8500887A publication Critical patent/NL8500887A/nl

1997-07-01 Publication of NL192638B publication Critical patent/NL192638B/xx

1997-11-04 Application granted granted Critical

1997-11-04 Publication of NL192638C publication Critical patent/NL192638C/nl

Links

230000005291 magnetic effect Effects 0.000 title claims description 230
239000010408 film Substances 0.000 claims description 202
229910052751 metal Inorganic materials 0.000 claims description 134
239000002184 metal Substances 0.000 claims description 134
230000005294 ferromagnetic effect Effects 0.000 claims description 75
229910000859 α-Fe Inorganic materials 0.000 claims description 63
239000000758 substrate Substances 0.000 claims description 57
239000011521 glass Substances 0.000 claims description 51
239000000463 material Substances 0.000 claims description 21
239000010409 thin film Substances 0.000 claims description 19
229910045601 alloy Inorganic materials 0.000 claims description 18
239000000956 alloy Substances 0.000 claims description 18
125000006850 spacer group Chemical group 0.000 claims description 14
239000000696 magnetic material Substances 0.000 claims description 13
229910052804 chromium Inorganic materials 0.000 claims description 12
238000002844 melting Methods 0.000 claims description 12
239000006060 molten glass Substances 0.000 claims description 12
229910004298 SiO 2 Inorganic materials 0.000 claims description 10
230000008018 melting Effects 0.000 claims description 10
229910052710 silicon Inorganic materials 0.000 claims description 7
229910052719 titanium Inorganic materials 0.000 claims description 7
229910052750 molybdenum Inorganic materials 0.000 claims description 5
229910052721 tungsten Inorganic materials 0.000 claims description 5
-1 Ta 2 O 5 Inorganic materials 0.000 claims description 4
239000002131 composite material Substances 0.000 claims description 4
229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
229910010413 TiO 2 Inorganic materials 0.000 claims description 3
238000000227 grinding Methods 0.000 claims description 3
230000001681 protective effect Effects 0.000 claims description 3
229910052715 tantalum Inorganic materials 0.000 claims description 3
UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 claims 2
230000015556 catabolic process Effects 0.000 claims 1
238000006731 degradation reaction Methods 0.000 claims 1
239000010410 layer Substances 0.000 description 31
239000011651 chromium Substances 0.000 description 22
238000004544 sputter deposition Methods 0.000 description 18
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
230000015572 biosynthetic process Effects 0.000 description 11
229910000676 Si alloy Inorganic materials 0.000 description 10
229910052742 iron Inorganic materials 0.000 description 9
230000035699 permeability Effects 0.000 description 8
238000004519 manufacturing process Methods 0.000 description 7
PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
239000010936 titanium Substances 0.000 description 7
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
229910052681 coesite Inorganic materials 0.000 description 6
229910052906 cristobalite Inorganic materials 0.000 description 6
238000000151 deposition Methods 0.000 description 6
239000000075 oxide glass Substances 0.000 description 6
230000002829 reductive effect Effects 0.000 description 6
229910052682 stishovite Inorganic materials 0.000 description 6
229910052905 tridymite Inorganic materials 0.000 description 6
229910001289 Manganese-zinc ferrite Inorganic materials 0.000 description 5
JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 5
239000000377 silicon dioxide Substances 0.000 description 5
235000012239 silicon dioxide Nutrition 0.000 description 5
230000004907 flux Effects 0.000 description 4
230000006698 induction Effects 0.000 description 4
150000002739 metals Chemical class 0.000 description 4
238000000034 method Methods 0.000 description 4
229910052759 nickel Inorganic materials 0.000 description 4
125000004430 oxygen atom Chemical group O* 0.000 description 4
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
238000004804 winding Methods 0.000 description 4
238000005520 cutting process Methods 0.000 description 3
230000006378 damage Effects 0.000 description 3
230000008021 deposition Effects 0.000 description 3
230000006866 deterioration Effects 0.000 description 3
229910052735 hafnium Inorganic materials 0.000 description 3
230000035882 stress Effects 0.000 description 3
229910052726 zirconium Inorganic materials 0.000 description 3
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
229910000808 amorphous metal alloy Inorganic materials 0.000 description 2
AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 2
239000000919 ceramic Substances 0.000 description 2
229910017052 cobalt Inorganic materials 0.000 description 2
239000010941 cobalt Substances 0.000 description 2
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
239000000945 filler Substances 0.000 description 2
229910052732 germanium Inorganic materials 0.000 description 2
229910052738 indium Inorganic materials 0.000 description 2
230000003993 interaction Effects 0.000 description 2
238000007733 ion plating Methods 0.000 description 2
238000005304 joining Methods 0.000 description 2
229910052748 manganese Inorganic materials 0.000 description 2
239000011572 manganese Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
229910052758 niobium Inorganic materials 0.000 description 2
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000003870 refractory metal Substances 0.000 description 2
239000004575 stone Substances 0.000 description 2
229910052718 tin Inorganic materials 0.000 description 2
239000011701 zinc Substances 0.000 description 2
229910052684 Cerium Inorganic materials 0.000 description 1
229910017082 Fe-Si Inorganic materials 0.000 description 1
229910017133 Fe—Si Inorganic materials 0.000 description 1
229910052688 Gadolinium Inorganic materials 0.000 description 1
229910052779 Neodymium Inorganic materials 0.000 description 1
229910003271 Ni-Fe Inorganic materials 0.000 description 1
229910001370 Se alloy Inorganic materials 0.000 description 1
229910018598 Si-Co Inorganic materials 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
229910008453 Si—Co Inorganic materials 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910052790 beryllium Inorganic materials 0.000 description 1
229910052797 bismuth Inorganic materials 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
239000000969 carrier Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
229910052593 corundum Inorganic materials 0.000 description 1
238000005336 cracking Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000002542 deteriorative effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000000866 electrolytic etching Methods 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
229910052733 gallium Inorganic materials 0.000 description 1
238000007496 glass forming Methods 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000007689 inspection Methods 0.000 description 1
238000011835 investigation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
229910052747 lanthanoid Inorganic materials 0.000 description 1
150000002602 lanthanoids Chemical class 0.000 description 1
229910052746 lanthanum Inorganic materials 0.000 description 1
239000012762 magnetic filler Substances 0.000 description 1
239000000155 melt Substances 0.000 description 1
229910052752 metalloid Inorganic materials 0.000 description 1
238000000465 moulding Methods 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
229910000889 permalloy Inorganic materials 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
230000008569 process Effects 0.000 description 1
229910052702 rhenium Inorganic materials 0.000 description 1
229910052703 rhodium Inorganic materials 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
229910052706 scandium Inorganic materials 0.000 description 1
229910000702 sendust Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000002356 single layer Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
229910052714 tellurium Inorganic materials 0.000 description 1
230000008646 thermal stress Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1
229910052723 transition metal Inorganic materials 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1
238000001771 vacuum deposition Methods 0.000 description 1
238000007738 vacuum evaporation Methods 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
238000007740 vapor deposition Methods 0.000 description 1
229910001845 yogo sapphire Inorganic materials 0.000 description 1
229910052727 yttrium Inorganic materials 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
- G11B5/1875—"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
- 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

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

NL8500887A 1984-03-29 1985-03-26 Magnetische transductorkop. NL192638C (nl)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP59061852A JPS60205808A (ja)	1984-03-29	1984-03-29	磁気ヘツド
JP6185284		1984-03-29
JP59124805A JPS613311A (ja)	1984-06-18	1984-06-18	磁気ヘツド
JP12480584		1984-06-18
JP1313285		1985-01-26
JP60013132A JPH0656647B2 (ja)	1985-01-26	1985-01-26	磁気ヘツド

Publications (3)

Publication Number	Publication Date
NL8500887A NL8500887A (nl)	1985-10-16
NL192638B NL192638B (nl)	1997-07-01
NL192638C true NL192638C (nl)	1997-11-04

Family

ID=27280128

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8500887A NL192638C (nl)	1984-03-29	1985-03-26	Magnetische transductorkop.

Country Status (7)

Country	Link
US (1)	US4819113A (de)
AT (1)	AT394117B (de)
DE (1)	DE3511361C2 (de)
FR (1)	FR2562304B1 (de)
GB (1)	GB2158282B (de)
IT (1)	IT1214654B (de)
NL (1)	NL192638C (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0654527B2 (ja) *	1984-11-26	1994-07-20	ソニー株式会社	磁気ヘツド
KR910000790B1 (ko) *	1985-04-30	1991-02-08	마쯔시다덴기산교 가부시기가이샤	자기헤드 및 그 제조방법
US4735865A (en) *	1985-06-10	1988-04-05	Sharp Kabushiki Kaisha	Magnetic head core
DE3537110A1 (de) *	1985-10-18	1987-04-23	Grundig Emv	Mig-magnetkopf
JPH0758527B2 (ja) *	1986-01-10	1995-06-21	株式会社日立製作所	磁気ヘツド
JPH06101090B2 (ja) *	1988-01-28	1994-12-12	日立金属株式会社	浮上型複合磁気ヘッド
DE3934284C2 (de) *	1988-10-13	1994-06-16	Canon Denshi Kk	Magnetkopf
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
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
US5136775A (en) *	1989-01-19	1992-08-11	Pioneer Electronic Corporation	Method of manufacturing a magnetic head having wear resisting films
US5231554A (en) *	1990-03-13	1993-07-27	Hitachi Metals, Ltd.	Floating magnetic head having low noise level
JPH0430308A (ja) *	1990-05-25	1992-02-03	Hitachi Ltd	磁気ヘッドおよびその製造方法
JPH04278205A (ja) *	1991-03-06	1992-10-02	Sony Corp	磁気ヘッド
DE69203029T2 (de) *	1991-04-24	1995-11-30	Nippon Electric Co	Magnetische Struktur.
US5320881A (en) *	1991-08-27	1994-06-14	Northeastern University	Fabrication of ferrite films using laser deposition
US5714272A (en) *	1991-12-12	1998-02-03	Zaidan Houjin Shinku Kagaku Kenkyujo	Heat insulating film
US5267392A (en) *	1992-03-04	1993-12-07	Ampex Systems Corporation	Method of manufacturing a laminated high frequency magnetic transducer
EP0650628B1 (de) *	1992-07-17	1997-09-24	Ampex Systems Corporation	Zusammengesetzter metall- und ferritwandlerkopf und herstellungsverfahren dafür
JPH06314408A (ja) *	1993-04-30	1994-11-08	Sony Corp	磁気ヘッド
US5558944A (en) *	1993-08-10	1996-09-24	Tdk Corporation	Magnetic head and a process for production thereof
JP3027081B2 (ja) *	1993-12-09	2000-03-27	アルプス電気株式会社	薄膜素子
US5452165A (en) *	1994-03-16	1995-09-19	International Business Machines Corporation	Close packed magnetic head linear array
EP0768640A3 (de) *	1995-10-13	1998-11-11	Ampex Corporation	Magnetkopf mit kleinem Kern und nicht magnetischem Seitenträger
JPH1091912A (ja) *	1996-09-17	1998-04-10	Sony Corp	磁気ヘッド
US6535353B2 (en) *	1998-03-20	2003-03-18	Seagate Technology Llc	Capped polymeric load/unload pads
AU5444200A (en) *	1999-05-27	2000-12-18	Utm Systems Corp.	Thin magnetic medium read head
US6445537B1 (en) *	1999-12-02	2002-09-03	Storage Technology Corporation	Protective film for minimization of shield and pole tip recession in thin film shielded read heads and write heads
US20100089074A1 (en) *	2008-10-14	2010-04-15	Sutton Gerald S	Apparatus and Method for Cooling an Outer Wall of Pipe
US10395675B1 (en)	2018-03-26	2019-08-27	International Business Machines Corporation	Stress-free tape head module
CN112576636B (zh) *	2020-11-18	2021-11-19	潍柴动力股份有限公司	弹性联轴器及具有其的发动机
US11189306B1 (en)	2020-12-08	2021-11-30	International Business Machines Corporation	Reduced-stress tape head module

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3813692A (en) *	1972-10-11	1974-05-28	Ibm	Internally biased magnetoresistive magnetic transducer
US4182643A (en) *	1977-07-05	1980-01-08	Control Data Corporation	Method of forming gaps in magnetic heads
JPS55117723A (en) *	1979-02-28	1980-09-10	Sony Corp	Magnetic head
JPS56121111A (en) *	1980-02-27	1981-09-22	Hitachi Ltd	Phase controlling circuit
JPS56124111A (en) *	1980-03-06	1981-09-29	Matsushita Electric Ind Co Ltd	Production of magnetic head
JPS56124112A (en) *	1980-03-06	1981-09-29	Matsushita Electric Ind Co Ltd	Magnetic head
NL8003518A (nl) *	1980-06-18	1982-01-18	Philips Nv	Magneetkop, werkwijze voor het vervaardigen van een magneetkop.
JPS57147122A (en) *	1981-03-05	1982-09-10	Tdk Corp	Magnetic head and its manufacture
US4578728A (en) *	1981-12-09	1986-03-25	Matsushita Electric Industrial Co., Ltd.	Magnetic head
JPS58169318A (ja) *	1982-03-30	1983-10-05	Victor Co Of Japan Ltd	磁気ヘツド及びその製造法
JPS58175122A (ja) *	1982-04-07	1983-10-14	Hitachi Ltd	磁気ヘッドおよびその製造方法
JPS59142716A (ja) *	1983-02-04	1984-08-16	Hitachi Ltd	磁気ヘツドおよびその製造方法
JPS59207415A (ja) *	1983-05-11	1984-11-24	Hitachi Ltd	複合型磁気ヘツドおよびその製造方法

1985
- 1985-03-19 US US06/713,637 patent/US4819113A/en not_active Expired - Lifetime
- 1985-03-21 GB GB08507362A patent/GB2158282B/en not_active Expired
- 1985-03-26 NL NL8500887A patent/NL192638C/nl not_active IP Right Cessation
- 1985-03-27 AT AT0091685A patent/AT394117B/de not_active IP Right Cessation
- 1985-03-27 IT IT8547878A patent/IT1214654B/it active
- 1985-03-28 FR FR8504684A patent/FR2562304B1/fr not_active Expired - Lifetime
- 1985-03-28 DE DE3511361A patent/DE3511361C2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2562304B1 (fr)	1992-10-16
IT1214654B (it)	1990-01-18
GB2158282A (en)	1985-11-06
ATA91685A (de)	1991-07-15
GB2158282B (en)	1988-06-22
NL192638B (nl)	1997-07-01
DE3511361C2 (de)	1993-11-25
AT394117B (de)	1992-02-10
GB8507362D0 (en)	1985-05-01
US4819113A (en)	1989-04-04
FR2562304A1 (fr)	1985-10-04
IT8547878A0 (it)	1985-03-27
NL8500887A (nl)	1985-10-16
DE3511361A1 (de)	1985-10-10

Legal Events

Date	Code	Title	Description
1992-03-02	BA	A request for search or an international-type search has been filed
1992-04-01	BB	A search report has been drawn up
1992-07-01	BC	A request for examination has been filed
2004-12-01	V1	Lapsed because of non-payment of the annual fee	Effective date: 20041001

Publication	Publication Date	Title
NL192638C (nl)	1997-11-04	Magnetische transductorkop.
EP0140977B1 (de)	1990-06-27	Magnetkopf und dessen herstellungsverfahren
US5157569A (en)	1992-10-20	Thin film magnetic head
NL194175C (nl)	2001-08-03	Magnetische transducentkop.
KR930002394B1 (ko)	1993-03-30	자기헤드
EP0159039B1 (de)	1992-01-22	Magnetisches Aufnahme- oder Wiedergabesystem mit zusammengesetztem Magnetkopf
US5162960A (en)	1992-11-10	Magnetic head with improved core bonding
CA1234626A (en)	1988-03-29	Magnetic transducer head
NL194772C (nl)	2003-02-04	Magnetische transducentkop, alsmede werkwijze voor het vervaardigen ervan.
US4941064A (en)	1990-07-10	Magnetic head having a pair of cores in which the opposing surfaces thereof are coated with a non-magnetic layer and a low melting point glass layer
CA1235483A (en)	1988-04-19	Magnetic transducer head
JPS6214313A (ja)	1987-01-22	磁気ヘツド
JPS61190702A (ja)	1986-08-25	磁気ヘツド
JPH0658727B2 (ja)	1994-08-03	磁気ヘツド
JPH03278306A (ja)	1991-12-10	浮上型磁気ヘッド
JPH0664697B2 (ja)	1994-08-22	複合磁気ヘツド
JPH0654528B2 (ja)	1994-07-20	磁気ヘツド
JPS61287018A (ja)	1986-12-17	磁気ヘツド
JPH06338021A (ja)	1994-12-06	磁気ヘッド
JPS61105710A (ja)	1986-05-23	磁気ヘツドの製造方法
JPH0658722B2 (ja)	1994-08-03	複合型磁気ヘッドの製造方法
JPH06180840A (ja)	1994-06-28	磁気記録媒体
JPH0475565B2 (de)	1992-12-01
JPH0476168B2 (de)	1992-12-02
JPS6286513A (ja)	1987-04-21	磁気ヘツド