ES419135A1 - Procedimiento para la fabricacion de elementos para el re- gistro magnetico. - Google Patents

Procedimiento para la fabricacion de elementos para el re- gistro magnetico.

Info

Publication number: ES419135A1
Authority: ES; Spain
Prior art keywords: magnetic recording; resin; production; support; ferromagnetic material
Prior art date: 1972-09-27
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

ES419135A

Other languages

English (en)

Spanish (es)

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.)

SECI

Original Assignee

SECI

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.)

1972-09-27

Filing date

1975-09-27

Publication date

1976-06-16

1975-09-27 Application filed by SECI filed Critical SECI

1976-06-16 Publication of ES419135A1 publication Critical patent/ES419135A1/es

Status Expired legal-status Critical Current

Links

230000005291 magnetic effect Effects 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title abstract 2
239000011347 resin Substances 0.000 abstract 3
229920005989 resin Polymers 0.000 abstract 3
239000003302 ferromagnetic material Substances 0.000 abstract 2
239000011342 resin composition Substances 0.000 abstract 2
230000005494 condensation Effects 0.000 abstract 1
238000009833 condensation Methods 0.000 abstract 1
239000000852 hydrogen donor Substances 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000002985 plastic film Substances 0.000 abstract 1
229920006255 plastic film Polymers 0.000 abstract 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
229920002554 vinyl polymer Polymers 0.000 abstract 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
- G11B5/62—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
- G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins

Landscapes

Paints Or Removers (AREA)
Magnetic Record Carriers (AREA)
Compositions Of Macromolecular Compounds (AREA)
Manufacturing Of Magnetic Record Carriers (AREA)

ES419135A 1972-09-27 1975-09-27 Procedimiento para la fabricacion de elementos para el re- gistro magnetico. Expired ES419135A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2975172A IT967927B (it)	1972-09-27	1972-09-27	Procedimento di fabbricazione di elementi per la registrazione magnetica

Publications (1)

Publication Number	Publication Date
ES419135A1 true ES419135A1 (es)	1976-06-16

Family

ID=11228371

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES419135A Expired ES419135A1 (es)	1972-09-27	1975-09-27	Procedimiento para la fabricacion de elementos para el re- gistro magnetico.

Country Status (10)

Country	Link
JP (1)	JPS49134307A (fr)
AT (1)	AT325323B (fr)
BE (1)	BE805410A (fr)
CA (1)	CA1002821A (fr)
DE (1)	DE2348661A1 (fr)
ES (1)	ES419135A1 (fr)
FR (1)	FR2209158B1 (fr)
GB (1)	GB1445876A (fr)
IT (1)	IT967927B (fr)
NL (1)	NL7313308A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU1784470A (en) *	1969-08-01	1972-01-27	Rca Corporation	Magnetic recording members and their preparation

1972
- 1972-09-27 IT IT2975172A patent/IT967927B/it active
- 1972-12-04 AT AT1027372A patent/AT325323B/de not_active IP Right Cessation
1973
- 1973-09-27 FR FR7334685A patent/FR2209158B1/fr not_active Expired
- 1973-09-27 CA CA182,042A patent/CA1002821A/en not_active Expired
- 1973-09-27 JP JP10808773A patent/JPS49134307A/ja active Pending
- 1973-09-27 DE DE19732348661 patent/DE2348661A1/de active Pending
- 1973-09-27 NL NL7313308A patent/NL7313308A/xx unknown
- 1973-09-27 GB GB4533473A patent/GB1445876A/en not_active Expired
- 1973-09-27 BE BE136126A patent/BE805410A/fr unknown
1975
- 1975-09-27 ES ES419135A patent/ES419135A1/es not_active Expired

Also Published As

Publication number	Publication date
CA1002821A (en)	1977-01-04
DE2348661A1 (de)	1974-04-11
AT325323B (de)	1975-10-10
GB1445876A (en)	1976-08-11
BE805410A (fr)	1974-01-16
FR2209158B1 (fr)	1977-09-09
FR2209158A1 (fr)	1974-06-28
JPS49134307A (fr)	1974-12-24
NL7313308A (fr)	1974-03-29
IT967927B (it)	1974-03-11

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