FR2147240A1 - - Google Patents
Info
- Publication number
- FR2147240A1 FR2147240A1 FR7227006A FR7227006A FR2147240A1 FR 2147240 A1 FR2147240 A1 FR 2147240A1 FR 7227006 A FR7227006 A FR 7227006A FR 7227006 A FR7227006 A FR 7227006A FR 2147240 A1 FR2147240 A1 FR 2147240A1
- 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
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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (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 |
---|---|---|---|
US16710571A | 1971-07-29 | 1971-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2147240A1 true FR2147240A1 (en) | 1973-03-09 |
FR2147240B3 FR2147240B3 (en) | 1975-09-05 |
Family
ID=22605954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7227006A Expired FR2147240B3 (en) | 1971-07-29 | 1972-07-27 |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA964004A (en) |
DE (1) | DE2236670A1 (en) |
FR (1) | FR2147240B3 (en) |
GB (1) | GB1359946A (en) |
IT (1) | IT968211B (en) |
-
1972
- 1972-06-01 CA CA143,650A patent/CA964004A/en not_active Expired
- 1972-07-25 GB GB3462072A patent/GB1359946A/en not_active Expired
- 1972-07-26 DE DE2236670A patent/DE2236670A1/en active Pending
- 1972-07-27 FR FR7227006A patent/FR2147240B3/fr not_active Expired
- 1972-07-28 IT IT27620/72A patent/IT968211B/en active
Also Published As
Publication number | Publication date |
---|---|
GB1359946A (en) | 1974-07-17 |
DE2236670A1 (en) | 1973-02-08 |
FR2147240B3 (en) | 1975-09-05 |
CA964004A (en) | 1975-03-11 |
IT968211B (en) | 1974-03-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |