FR2209158B1 - - Google Patents
Info
- Publication number
- FR2209158B1 FR2209158B1 FR7334685A FR7334685A FR2209158B1 FR 2209158 B1 FR2209158 B1 FR 2209158B1 FR 7334685 A FR7334685 A FR 7334685A FR 7334685 A FR7334685 A FR 7334685A FR 2209158 B1 FR2209158 B1 FR 2209158B1
- 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.)
- Expired
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
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 (2)
Publication Number | Publication Date |
---|---|
FR2209158A1 FR2209158A1 (fr) | 1974-06-28 |
FR2209158B1 true FR2209158B1 (fr) | 1977-09-09 |
Family
ID=11228371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7334685A Expired FR2209158B1 (fr) | 1972-09-27 | 1973-09-27 |
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)
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 BE BE136126A patent/BE805410A/fr unknown
- 1973-09-27 DE DE19732348661 patent/DE2348661A1/de active Pending
- 1973-09-27 GB GB4533473A patent/GB1445876A/en not_active Expired
- 1973-09-27 JP JP10808773A patent/JPS49134307A/ja active Pending
- 1973-09-27 NL NL7313308A patent/NL7313308A/xx unknown
- 1973-09-27 CA CA182,042A patent/CA1002821A/en not_active Expired
-
1975
- 1975-09-27 ES ES419135A patent/ES419135A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE805410A (fr) | 1974-01-16 |
ES419135A1 (es) | 1976-06-16 |
JPS49134307A (fr) | 1974-12-24 |
DE2348661A1 (de) | 1974-04-11 |
CA1002821A (en) | 1977-01-04 |
IT967927B (it) | 1974-03-11 |
AT325323B (de) | 1975-10-10 |
GB1445876A (en) | 1976-08-11 |
NL7313308A (fr) | 1974-03-29 |
FR2209158A1 (fr) | 1974-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |