DE3680213D1 - Amorpher weichmagnetischer duenner film. - Google Patents

Amorpher weichmagnetischer duenner film.

Info

Publication number: DE3680213D1
Authority: DE; Germany
Prior art keywords: amorpher; thin film; soft magnetic; magnetic thin; soft
Prior art date: 1985-02-16
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

Application number

DE8686101691T

Other languages

English (en)

Inventor

Hiroshi Takino

Kiyonori Hayakawa

Kazuko Kawabata

Makoto Tsuruoka

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sony Corp

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.)

1985-02-16

Filing date

1986-02-10

Publication date

1991-08-22

1986-02-10 Application filed by Sony Corp filed Critical Sony Corp

1991-08-22 Application granted granted Critical

1991-08-22 Publication of DE3680213D1 publication Critical patent/DE3680213D1/de

2006-02-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/13—Amorphous metallic alloys, e.g. glassy metals
- H01F10/132—Amorphous metallic alloys, e.g. glassy metals containing cobalt
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/265—Magnetic multilayers non exchange-coupled
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12431—Foil or filament smaller than 6 mils

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Thin Magnetic Films (AREA)

DE8686101691T 1985-02-16 1986-02-10 Amorpher weichmagnetischer duenner film. Expired - Lifetime DE3680213D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60028743A JPS61188908A (ja)	1985-02-16	1985-02-16	非晶質軟磁性薄膜

Publications (1)

Publication Number	Publication Date
DE3680213D1 true DE3680213D1 (de)	1991-08-22

Family

ID=12256898

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686101691T Expired - Lifetime DE3680213D1 (de)	1985-02-16	1986-02-10	Amorpher weichmagnetischer duenner film.

Country Status (5)

Country	Link
US (1)	US4747888A (de)
EP (1)	EP0192161B1 (de)
JP (1)	JPS61188908A (de)
CA (1)	CA1265360A (de)
DE (1)	DE3680213D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0364631A1 (de) *	1988-10-17	1990-04-25	Mitsui Petrochemical Industries, Ltd.	Aus einer amorphen Metallegierung bestehender dünner Film
US6132891A (en) *	1990-11-08	2000-10-17	Sony Corporation	Amorphous soft magnetic material
JPH04356721A (ja) *	1991-03-28	1992-12-10	Fuji Photo Film Co Ltd	磁気記録媒体
EP0803882A1 (de) *	1996-04-22	1997-10-29	Read-Rite Corporation	Korrosionswiderstandfähige amorphe Magnetlegierungen
US8147996B2 (en) *	2005-06-07	2012-04-03	Seagate Technology Llc	Perpendicular media with dual soft magnetic layers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4056411A (en) *	1976-05-14	1977-11-01	Ho Sou Chen	Method of making magnetic devices including amorphous alloys
DE3049906A1 (en) *	1979-09-21	1982-03-18	Hitachi Ltd	Amorphous alloys
JPS56130449A (en) *	1980-03-19	1981-10-13	Takeshi Masumoto	Amorphous cobalt alloy with very low magnetostriction and high permeability
JPH06104870B2 (ja) *	1981-08-11	1994-12-21	株式会社日立製作所	非晶質薄膜の製造方法
JPS5938349A (ja) *	1982-08-26	1984-03-02	Hitachi Ltd	高飽和磁束密度・高透磁率非晶質磁性合金
JPS5990219A (ja) *	1982-11-12	1984-05-24	Tdk Corp	磁気ヘツド
JPS59125607A (ja) *	1982-12-24	1984-07-20	Fujitsu Ltd	高飽和磁化、高透磁率磁性膜
JPS6070157A (ja) *	1983-09-28	1985-04-20	Toshiba Corp	非晶質合金及びその製造方法

1985
- 1985-02-16 JP JP60028743A patent/JPS61188908A/ja active Granted
1986
- 1986-02-10 DE DE8686101691T patent/DE3680213D1/de not_active Expired - Lifetime
- 1986-02-10 EP EP86101691A patent/EP0192161B1/de not_active Expired - Lifetime
- 1986-02-13 CA CA000501772A patent/CA1265360A/en not_active Expired
- 1986-02-14 US US06/829,162 patent/US4747888A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA1265360A (en)	1990-02-06
US4747888A (en)	1988-05-31
JPH0519967B2 (de)	1993-03-18
EP0192161A2 (de)	1986-08-27
JPS61188908A (ja)	1986-08-22
EP0192161B1 (de)	1991-07-17
EP0192161A3 (en)	1989-02-08

Legal Events

Date	Code	Title	Description
1992-08-20	8364	No opposition during term of opposition
1997-03-27	8328	Change in the person/name/address of the agent	Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN
2003-12-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
FI862754A (fi)	1986-12-29	Orienterad film med syrespaerr.
DE3689534D1 (de)	1994-02-24	Dünnschichtmagnetkopf.
DE3675802D1 (de)	1991-01-10	Magnetbandgeraet.
DE3688465D1 (de)	1993-06-24	Filmwechselvorrichtung.
DE68912799D1 (de)	1994-03-17	Filmkassette.
DE68912800D1 (de)	1994-03-17	Filmkassette.
DE68910576D1 (de)	1993-12-16	Filmkassette.
DE3787509D1 (de)	1993-10-28	Dünnfilmmagnetkopf.
DE68917535D1 (de)	1994-09-22	Magnetbandkassetten - Identifizierung.
DE3581950D1 (de)	1991-04-11	Magnetischer duenner film.
FI863753A0 (fi)	1986-09-17	Optisk film.
DE3788134D1 (de)	1993-12-16	Dünnfilmanordnung.
DE3689826D1 (de)	1994-06-09	Polarisierender film.
DE68915064D1 (de)	1994-06-09	Dünnschicht-Magnetkopf.
FI853367A0 (fi)	1985-09-02	Texturerad termoplastfilm.
DE68923868D1 (de)	1995-09-21	Rhombenförmiges dünnfilm-magnetelement.
DE3586404D1 (de)	1992-09-03	Magnetischer duenner film.
DE3888287D1 (de)	1994-04-14	Film-Magnetkopf.
DE3685670D1 (de)	1992-07-23	Flexible magnetplatte.
DE3681056D1 (de)	1991-10-02	Weichmagnetischer duenner film.
DE68909835D1 (de)	1993-11-18	Dünnschichtmagnetkopf.
DE3577578D1 (de)	1990-06-13	Folienfermenter.
DE3672325D1 (de)	1990-08-02	Bandkassette.
DE3688402D1 (de)	1993-06-17	Polycyanoarylaether-filme.
DE3772166D1 (de)	1991-09-19	Magnetbandgeraet.