GB1303089A - - Google Patents
Info
- Publication number
- GB1303089A GB1303089A GB5130870A GB5130870A GB1303089A GB 1303089 A GB1303089 A GB 1303089A GB 5130870 A GB5130870 A GB 5130870A GB 5130870 A GB5130870 A GB 5130870A GB 1303089 A GB1303089 A GB 1303089A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- carrier
- oct
- metals
- magnetic
- Prior art date
- 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
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004642 Polyimide Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 238000005238 degreasing Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 229910001004 magnetic alloy Inorganic materials 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 229920001721 polyimide Polymers 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000005406 washing Methods 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Chemically Coating (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8791569A JPS4842168B1 (enrdf_load_stackoverflow) | 1969-10-31 | 1969-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303089A true GB1303089A (enrdf_load_stackoverflow) | 1973-01-17 |
Family
ID=13928201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5130870A Expired GB1303089A (enrdf_load_stackoverflow) | 1969-10-31 | 1970-10-28 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4842168B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2053448B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2066775A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1303089A (enrdf_load_stackoverflow) |
| NL (1) | NL141687B (enrdf_load_stackoverflow) |
-
1969
- 1969-10-31 JP JP8791569A patent/JPS4842168B1/ja active Pending
-
1970
- 1970-10-22 NL NL7015506A patent/NL141687B/xx unknown
- 1970-10-28 GB GB5130870A patent/GB1303089A/en not_active Expired
- 1970-10-30 FR FR7039221A patent/FR2066775A5/fr not_active Expired
- 1970-10-30 DE DE19702053448 patent/DE2053448B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7015506A (enrdf_load_stackoverflow) | 1971-05-04 |
| FR2066775A5 (enrdf_load_stackoverflow) | 1971-08-06 |
| NL141687B (nl) | 1974-03-15 |
| DE2053448B2 (de) | 1972-11-23 |
| JPS4842168B1 (enrdf_load_stackoverflow) | 1973-12-11 |
| DE2053448A1 (de) | 1971-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |