GB1429006A - Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom - Google Patents
Manufacture of masters for radiation redistributing devices and fabrication of such devices therefromInfo
- Publication number
- GB1429006A GB1429006A GB1436673A GB1436673A GB1429006A GB 1429006 A GB1429006 A GB 1429006A GB 1436673 A GB1436673 A GB 1436673A GB 1436673 A GB1436673 A GB 1436673A GB 1429006 A GB1429006 A GB 1429006A
- Authority
- GB
- United Kingdom
- Prior art keywords
- master
- manufacture
- devices
- radiation
- masters
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 230000005855 radiation Effects 0.000 title abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 229920002379 silicone rubber Polymers 0.000 abstract 2
- 239000004945 silicone rubber Substances 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 238000005530 etching Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23831672A | 1972-03-27 | 1972-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1429006A true GB1429006A (en) | 1976-03-24 |
Family
ID=22897374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1436673A Expired GB1429006A (en) | 1972-03-27 | 1973-03-26 | Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4916431A (https=) |
| CA (1) | CA971012A (https=) |
| DE (1) | DE2314481A1 (https=) |
| FR (1) | FR2178607A5 (https=) |
| GB (1) | GB1429006A (https=) |
| HK (1) | HK57576A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH604205A5 (https=) * | 1976-11-16 | 1978-08-31 | Landis & Gyr Ag |
-
1973
- 1973-02-08 CA CA163,271A patent/CA971012A/en not_active Expired
- 1973-03-16 FR FR7309441A patent/FR2178607A5/fr not_active Expired
- 1973-03-23 DE DE19732314481 patent/DE2314481A1/de active Pending
- 1973-03-26 GB GB1436673A patent/GB1429006A/en not_active Expired
- 1973-03-27 JP JP3417173A patent/JPS4916431A/ja active Pending
-
1976
- 1976-09-16 HK HK57576A patent/HK57576A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2178607A5 (https=) | 1973-11-09 |
| CA971012A (en) | 1975-07-15 |
| JPS4916431A (https=) | 1974-02-13 |
| DE2314481A1 (de) | 1973-10-04 |
| HK57576A (en) | 1976-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |