FR2209158A1 - - Google Patents

Info

Publication number: FR2209158A1
Authority: FR; France
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.): Granted

Application number

FR7334685A

Other languages

French (fr)

Other versions

FR2209158B1 (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.)

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

1973-09-27

Publication date

1974-06-28

1973-09-27 Application filed by SECI filed Critical SECI

1974-06-28 Publication of FR2209158A1 publication Critical patent/FR2209158A1/fr

1977-09-09 Application granted granted Critical

1977-09-09 Publication of FR2209158B1 publication Critical patent/FR2209158B1/fr

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
- G11B5/7023—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

FR7334685A 1972-09-27 1973-09-27 Expired FR2209158B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2975172A IT967927B (en)	1972-09-27	1972-09-27	PROCESS FOR MANUFACTURING ELEMENTS FOR MAGNETIC REGISTRATION

Publications (2)

Publication Number	Publication Date
FR2209158A1 true FR2209158A1 (en)	1974-06-28
FR2209158B1 FR2209158B1 (en)	1977-09-09

Family

ID=11228371

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7334685A Expired FR2209158B1 (en)	1972-09-27	1973-09-27

Country Status (10)

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2057846A5 (en) *	1969-08-01	1971-05-21	Rca Corp	Magnetic recording elements

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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2057846A5 (en) *	1969-08-01	1971-05-21	Rca Corp	Magnetic recording elements

Also Published As

Publication number	Publication date
AT325323B (en)	1975-10-10
NL7313308A (en)	1974-03-29
ES419135A1 (en)	1976-06-16
GB1445876A (en)	1976-08-11
FR2209158B1 (en)	1977-09-09
CA1002821A (en)	1977-01-04
IT967927B (en)	1974-03-11
DE2348661A1 (en)	1974-04-11
BE805410A (en)	1974-01-16
JPS49134307A (en)	1974-12-24

Legal Events

Date	Code	Title	Description
1978-11-17	ST	Notification of lapse

Publication	Publication Date	Title
FR2181955A1 (en)	1973-12-07
FR2206992A1 (en)	1974-06-14
JPS4890469A (en)	1973-11-26
JPS4928147U (en)	1974-03-11
JPS4947024A (en)	1974-05-07
JPS4932359U (en)	1974-03-20
FR2207322B1 (en)	1976-06-04
FR2175133B1 (en)	1978-03-10
JPS535307Y2 (en)	1978-02-09
FR2180196A5 (en)	1973-11-23
JPS5141382B2 (en)	1976-11-09
JPS4951401U (en)	1974-05-07
CH591556A5 (en)	1977-09-30
BG22376A3 (en)	1977-02-20
BG20869A1 (en)	1976-01-20
BG20834A3 (en)	1975-12-20
BG18348A1 (en)	1974-10-25
BG18259A2 (en)	1974-10-25
BG18093A1 (en)	1974-09-02
CH587476A5 (en)	1977-04-29
BG18040A1 (en)	1974-09-02
BG17918A1 (en)	1974-03-05
BG17915A1 (en)	1974-03-05
CH561478A5 (en)	1975-04-30
CH569945A5 (en)	1975-11-28