CA977222A - Magnetic storage medium - Google Patents

Magnetic storage medium

Info

Publication number: CA977222A
Authority: CA; Canada
Prior art keywords: storage medium; magnetic storage; magnetic; medium; storage
Prior art date: 1971-07-23
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

CA142,547A

Other versions

CA142547S (en

Inventor

Borys Murin

Karlchristian Schilffarth

Bernhard Seidel

Heinrich Kober

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.)

Agfa Gevaert AG

Original Assignee

Agfa Gevaert AG

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.)

1971-07-23

Filing date

1972-05-19

Publication date

1975-11-04

1972-05-19 Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG

1975-11-04 Application granted granted Critical

1975-11-04 Publication of CA977222A publication Critical patent/CA977222A/en

Status Expired legal-status Critical Current

Links

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
- G11B5/7028—Additives, e.g. crosslinking agents
- 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
- G11B5/7022—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 containing mixtures of polyurethanes or polyisocyanates with other polymers

CA142,547A 1971-07-23 1972-05-19 Magnetic storage medium Expired CA977222A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712136795 DE2136795C3 (en)	1971-07-23	1971-07-23	Process for the production of magnetizable storage media

Publications (1)

Publication Number	Publication Date
CA977222A true CA977222A (en)	1975-11-04

Family

ID=5814549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA142,547A Expired CA977222A (en)	1971-07-23	1972-05-19	Magnetic storage medium

Country Status (8)

Country	Link
JP (1)	JPS5528130B1 (en)
BE (1)	BE785308A (en)
CA (1)	CA977222A (en)
DE (1)	DE2136795C3 (en)
FR (1)	FR2147113B1 (en)
GB (1)	GB1365647A (en)
IT (1)	IT961500B (en)
NL (1)	NL173450C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4366193B2 (en) *	2002-04-15	2009-11-18	長瀬産業株式会社	Stamper master manufacturing method and stamper manufacturing method

1971
- 1971-07-23 DE DE19712136795 patent/DE2136795C3/en not_active Expired
1972
- 1972-05-19 CA CA142,547A patent/CA977222A/en not_active Expired
- 1972-06-23 BE BE785308A patent/BE785308A/en not_active IP Right Cessation
- 1972-06-29 NL NL7209028A patent/NL173450C/en not_active IP Right Cessation
- 1972-07-20 GB GB3402472A patent/GB1365647A/en not_active Expired
- 1972-07-21 FR FR7226435A patent/FR2147113B1/fr not_active Expired
- 1972-07-21 IT IT5166272A patent/IT961500B/en active
- 1972-07-22 JP JP7307272A patent/JPS5528130B1/ja active Pending

Also Published As

Publication number	Publication date
FR2147113B1 (en)	1975-10-03
GB1365647A (en)	1974-09-04
NL173450C (en)	1984-01-16
DE2136795C3 (en)	1978-04-27
DE2136795A1 (en)	1973-03-15
FR2147113A1 (en)	1973-03-09
BE785308A (en)	1972-12-27
IT961500B (en)	1973-12-10
JPS5528130B1 (en)	1980-07-25
NL173450B (en)	1983-08-16
NL7209028A (en)	1972-12-27
DE2136795B2 (en)	1977-08-25

Publication	Publication Date	Title
CA1023853A (en)	1978-01-03	Magnetic disk storage apparatus
CA963739A (en)	1975-03-04	Magnetic recording tape
CA958482A (en)	1974-11-26	Magnetic recording disc
CA980184A (en)	1975-12-23	Magnetic recording element
AU4234772A (en)	1973-11-22	Magnetic recording medium
CA971834A (en)	1975-07-29	Magnetic recording member
AU450743B2 (en)	1974-07-18	Magnetic recording medium
CA1001908A (en)	1976-12-21	Magnetic recording medium
AU462249B2 (en)	1975-06-19	Magnetic record medium
CA1021455A (en)	1977-11-22	Magnetic disk storage
CA955436A (en)	1974-10-01	Information storage apparatus
CA981533A (en)	1976-01-13	Magnetic recording medium
AU4215372A (en)	1973-11-15	Electrolytic recording medium
CA980185A (en)	1975-12-23	Magnetic recording members
CA969433A (en)	1975-06-17	Magnetic recording media
CA977222A (en)	1975-11-04	Magnetic storage medium
CA957575A (en)	1974-11-12	Magnetic recording medium
CA886527A (en)	1971-11-23	Magnetic recording medium
CA1024253A (en)	1978-01-10	Magnetic disk storage apparatus
CA871935A (en)	1971-05-25	Magnetic information storage apparatus
CA869739A (en)	1971-04-27	Magnetic information storage apparatus
CA862935A (en)	1971-02-02	Magnetic information storage device
AU463812B2 (en)	1975-08-07	Record medium
CA877826A (en)	1971-08-10	Magnetic storage tape cartridge
CA846142A (en)	1970-07-07	Magnetic recording medium