GB1314522A - Process for coating phosphors - Google Patents
Process for coating phosphorsInfo
- Publication number
- GB1314522A GB1314522A GB1314522DA GB1314522A GB 1314522 A GB1314522 A GB 1314522A GB 1314522D A GB1314522D A GB 1314522DA GB 1314522 A GB1314522 A GB 1314522A
- Authority
- GB
- United Kingdom
- Prior art keywords
- particles
- phosphor
- solution
- copper hydride
- coating
- 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
Classifications
-
- 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
- C23C18/38—Coating with copper
- C23C18/40—Coating with copper using reducing agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/0805—Chalcogenides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
Abstract
1314522 Luminescent materials and uses thereof DEFENCE SECRETARY OF STATE FOR 27 April 1970 [28 Jan 1969] 4565/69 Heading C4S A process for forming a Cu coating on phosphor particles comprising at least one compound of an element of Group IIb with one of S, Se, Te of Group VIb, the process includes immersing the particles in a solution of copper hydride. The phosphor may be ZnS : Mn or ZnSe : Mn of particle size 2 to 5 Ám and the process may be immersion of the particles in copper hydride in hydrazine hydrate. In examples, concentrations of components are given. The coated particles in an electroluminescent device may be in a matrix material such as polymethylmethacrylate or a nitrocellulose solution (e.g. 1À5 grm. treated phosphor/ml. of solution). Dispersion may be ultrasonically and the mixture spread by a chromatographic spreader on tin oxide conducting glass as one electrode, further electrodes being applied by painting on colloidal graphite. Reference is made to Specifications 987,866 and 1,300,548.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB456569 | 1969-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1314522A true GB1314522A (en) | 1973-04-26 |
Family
ID=9779549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1314522D Expired GB1314522A (en) | 1969-01-28 | 1969-01-28 | Process for coating phosphors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1314522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442377A (en) * | 1976-06-01 | 1984-04-10 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Phosphors |
| WO1998055395A1 (en) * | 1997-06-07 | 1998-12-10 | Aron Vecht | Preparation of sulphides and selenides |
-
1969
- 1969-01-28 GB GB1314522D patent/GB1314522A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442377A (en) * | 1976-06-01 | 1984-04-10 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Phosphors |
| WO1998055395A1 (en) * | 1997-06-07 | 1998-12-10 | Aron Vecht | Preparation of sulphides and selenides |
| US6379585B1 (en) | 1997-06-07 | 2002-04-30 | Aron Vecht | Preparation of sulphides and selenides |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |