JPS5528130B1 - - Google Patents
Info
- Publication number
- JPS5528130B1 JPS5528130B1 JP7307272A JP7307272A JPS5528130B1 JP S5528130 B1 JPS5528130 B1 JP S5528130B1 JP 7307272 A JP7307272 A JP 7307272A JP 7307272 A JP7307272 A JP 7307272A JP S5528130 B1 JPS5528130 B1 JP S5528130B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712136795 DE2136795C3 (de) | 1971-07-23 | 1971-07-23 | Verfahren zur Herstellung von magnetisierbaren Speichermedien |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5528130B1 true JPS5528130B1 (enExample) | 1980-07-25 |
Family
ID=5814549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7307272A Pending JPS5528130B1 (enExample) | 1971-07-23 | 1972-07-22 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5528130B1 (enExample) |
| BE (1) | BE785308A (enExample) |
| CA (1) | CA977222A (enExample) |
| DE (1) | DE2136795C3 (enExample) |
| FR (1) | FR2147113B1 (enExample) |
| GB (1) | GB1365647A (enExample) |
| IT (1) | IT961500B (enExample) |
| NL (1) | NL173450C (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050181089A1 (en) * | 2002-04-15 | 2005-08-18 | Nagase & Co. Ltd | Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk |
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1971
- 1971-07-23 DE DE19712136795 patent/DE2136795C3/de not_active Expired
-
1972
- 1972-05-19 CA CA142,547A patent/CA977222A/en not_active Expired
- 1972-06-23 BE BE785308A patent/BE785308A/xx not_active IP Right Cessation
- 1972-06-29 NL NL7209028A patent/NL173450C/xx not_active IP Right Cessation
- 1972-07-20 GB GB3402472A patent/GB1365647A/en not_active Expired
- 1972-07-21 IT IT5166272A patent/IT961500B/it active
- 1972-07-21 FR FR7226435A patent/FR2147113B1/fr not_active Expired
- 1972-07-22 JP JP7307272A patent/JPS5528130B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL173450C (nl) | 1984-01-16 |
| DE2136795C3 (de) | 1978-04-27 |
| GB1365647A (en) | 1974-09-04 |
| NL7209028A (enExample) | 1972-12-27 |
| IT961500B (it) | 1973-12-10 |
| BE785308A (fr) | 1972-12-27 |
| CA977222A (en) | 1975-11-04 |
| DE2136795B2 (de) | 1977-08-25 |
| NL173450B (nl) | 1983-08-16 |
| FR2147113A1 (enExample) | 1973-03-09 |
| FR2147113B1 (enExample) | 1975-10-03 |
| DE2136795A1 (de) | 1973-03-15 |