GB2057471B - Magnetic recording media - Google Patents

Magnetic recording media

Info

Publication number: GB2057471B
Authority: GB; United Kingdom
Prior art keywords: magnetic recording; recording media; media; magnetic; recording
Prior art date: 1979-08-06
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

Application number

GB8025719A

Other versions

GB2057471A (en

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.)

1979-08-06

Filing date

1980-08-06

Publication date

1983-03-23

1980-08-06 Application filed by Sony Corp filed Critical Sony Corp

1981-04-01 Publication of GB2057471A publication Critical patent/GB2057471A/en

1983-03-23 Application granted granted Critical

1983-03-23 Publication of GB2057471B publication Critical patent/GB2057471B/en

Status Expired legal-status Critical Current

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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate

GB8025719A 1979-08-06 1980-08-06 Magnetic recording media Expired GB2057471B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP10014479A JPS5625230A (en)	1979-08-06	1979-08-06	Magnetic recording medium

Publications (2)

Publication Number	Publication Date
GB2057471A GB2057471A (en)	1981-04-01
GB2057471B true GB2057471B (en)	1983-03-23

Family

ID=14266110

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8025719A Expired GB2057471B (en)	1979-08-06	1980-08-06	Magnetic recording media

Country Status (5)

Country	Link
JP (1)	JPS5625230A (en)
DE (1)	DE3029818A1 (en)
FR (1)	FR2463476B1 (en)
GB (1)	GB2057471B (en)
NL (1)	NL8004482A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56122802A (en) *	1980-03-03	1981-09-26	Toyo Ink Mfg Co Ltd	Radiation-curable resin composition
CA1167408A (en) *	1980-09-22	1984-05-15	Hao-Jan Chang	Electron beam curing of magnetic media
DE3207293A1 (en) *	1981-03-03	1982-11-04	Memorex Corp., 95052 Santa Clara, Calif.	Binder layer for magnetic recording tapes
JPS583136A (en) *	1981-06-30	1983-01-08	Fuji Photo Film Co Ltd	Magnetic recording medium
JPS5832231A (en) *	1981-08-20	1983-02-25	Tdk Corp	Dual layer coated magnetic recording media
JPS5832232A (en) *	1981-08-20	1983-02-25	Tdk Corp	Dual layer coated magnetic recording media
US4423115A (en) *	1981-10-23	1983-12-27	Tdk Electronics Co., Ltd.	Magnetic recording medium
DE3200970C2 (en) *	1982-01-14	1983-11-24	Agfa-Gevaert Ag, 5090 Leverkusen	Magnetic storage medium with radiation-curable binders
JPS58146024A (en) *	1982-02-05	1983-08-31	Toyo Ink Mfg Co Ltd	Magnetic recording medium
JPS5982628A (en) *	1982-11-01	1984-05-12	Toyo Ink Mfg Co Ltd	Magnetic recording medium and its manufacturing method
JPS60166317A (en) *	1984-02-09	1985-08-29	Takeda Chem Ind Ltd	Urethane acrylate, and composition for coating and adhesive use and magnetic recording medium containing same
DE3332503A1 (en) *	1983-09-09	1985-03-28	Basf Ag, 6700 Ludwigshafen	MAGNETIC RECORDING CARRIERS
DE3332504A1 (en) *	1983-09-09	1985-03-28	Basf Ag, 6700 Ludwigshafen	MAGNETIC RECORDING CARRIERS
US4594262A (en) *	1984-07-05	1986-06-10	Minnesota Mining And Manufacturing Company	Electron beam adhesion-promoting treatment of polyester film base
US4543268A (en) *	1984-07-05	1985-09-24	Minnesota Mining And Manufacturing Company	Electron-beam adhesion-promoting treatment of polyester film base for magnetic recording media
JPH0610856B2 (en) *	1984-08-04	1994-02-09	ティーディーケイ株式会社	Magnetic recording medium
JP2523279B2 (en) *	1986-05-02	1996-08-07	ティーディーケイ株式会社	Magnetic recording medium and method of manufacturing the same
US6720025B2 (en)	2002-07-01	2004-04-13	3M Innovative Properties Company	Slot extrusion coating methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL282882A (en) *	1962-09-07
GB1006140A (en) *	1963-07-26	1965-09-29	Gevaert Photo Prod Nv	Magnetic recording medium
NL131590C (en) *	1963-09-13	1900-01-01
DE1907957B2 (en) *	1969-02-18	1977-07-21	Basf Ag, 6700 Ludwigshafen	METHOD FOR PRODUCING FLEXIBLE MAGNETOGRAM CARRIERS
US3649541A (en) *	1969-07-10	1972-03-14	Du Pont	Magnetic recording elements containing stabilized chromium dioxide a polyurethane binder and an isocyanate hardening agent
GB1304824A (en) *	1970-09-18	1973-01-31
JPS4830403A (en) *	1971-08-21	1973-04-21

1979
- 1979-08-06 JP JP10014479A patent/JPS5625230A/en active Pending
1980
- 1980-08-06 GB GB8025719A patent/GB2057471B/en not_active Expired
- 1980-08-06 DE DE19803029818 patent/DE3029818A1/en not_active Withdrawn
- 1980-08-06 NL NL8004482A patent/NL8004482A/en not_active Application Discontinuation
- 1980-08-06 FR FR8017397A patent/FR2463476B1/en not_active Expired

Also Published As

Publication number	Publication date
FR2463476A1 (en)	1981-02-20
DE3029818A1 (en)	1981-02-26
FR2463476B1 (en)	1988-05-20
JPS5625230A (en)	1981-03-11
NL8004482A (en)	1981-02-10
GB2057471A (en)	1981-04-01

Publication	Publication Date	Title
DE3172556D1 (en)	1985-11-07	Magnetic recording media
GB2055877B (en)	1983-07-20	Magnetic recording media
GB2055394B (en)	1983-04-07	Magnetic recording medium
GB2057471B (en)	1983-03-23	Magnetic recording media
GB2053257B (en)	1983-06-02	Magnetic recording medium
GB2069874B (en)	1983-10-19	Magnetic recording media
DE3065149D1 (en)	1983-11-10	Magnetic recording medium
JPS56124127A (en)	1981-09-29	Magnetic recording medium
GB2054245B (en)	1983-03-16	Analogue recording on magnetic media
GB2063902B (en)	1983-06-29	Magnetic recording medium
GB2054622B (en)	1983-04-07	Magnetic recording medium
DE3066061D1 (en)	1984-02-09	Magnetic recording medium
GB2058799B (en)	1983-04-07	Magnetic recording medium
JPS52132807A (en)	1977-11-07	Magnetic recording media
GB2054609B (en)	1983-04-13	Magnetic recording medium
GB2069371B (en)	1983-11-02	Magnetic recording media
GB2044789B (en)	1983-01-12	Magnetic recording medium
GB2064371B (en)	1983-06-08	Magnetic recording medium
JPS5342007A (en)	1978-04-17	Magnetic recording media
GB2052130B (en)	1983-04-27	Magnetic recording disc cortridge
GB2055778B (en)	1983-03-02	Magnetic recording medium
GB2042979B (en)	1982-09-22	Magnetic recording
GB2053732B (en)	1983-09-21	Magnetic recording medium
JPS52154607A (en)	1977-12-22	Magnetic recording media
GB2057298B (en)	1983-11-09	Magnetic recording media

Legal Events

Date	Code	Title	Description
1992-04-01	PCNP	Patent ceased through non-payment of renewal fee