GB1249626A - Improvements in or relating to mirrors and their manufacture - Google Patents
Improvements in or relating to mirrors and their manufactureInfo
- Publication number
- GB1249626A GB1249626A GB4783767A GB4783767A GB1249626A GB 1249626 A GB1249626 A GB 1249626A GB 4783767 A GB4783767 A GB 4783767A GB 4783767 A GB4783767 A GB 4783767A GB 1249626 A GB1249626 A GB 1249626A
- Authority
- GB
- United Kingdom
- Prior art keywords
- forming
- coating
- chamber
- mirror
- mirrors
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
1,249,626. Mirrors. ROTHERHAM & SONS Ltd. Jan. 17, 1969 [Oct. 20, 1967], No. 47837/67. Heading C7F. A mirror is made by forming a transparent plastics body having surfaces defining the front and back surfaces of the mirror, the said surfaces being formed to have a required optical surface finish and inter-relationship thereby to avoid a separate surface finishing operation after the forming of the body, transferring the body to a vacuum-deposition chamber with minimum delay and handling between forming the body and placing it in said chamber, thereby to avoid the need for cleaning the surfaces of the body, introducing argon gas into the chamber to prevent contamination of the surfaces of the body, and then vacuumdepositing a reflective metallic layer on to the back surface of the body. The plastics may be polymethylmethacrylate or polystyrene, and may be destaticized in O 3 prior to the coating step. The coating may be of Al; the coated body may be annealed at 70‹ -90‹C. for 3 to 7 hours, and the coating may be protected by a resin-based lacquer pigmented with Al oxides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4783767A GB1249626A (en) | 1967-10-20 | 1967-10-20 | Improvements in or relating to mirrors and their manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4783767A GB1249626A (en) | 1967-10-20 | 1967-10-20 | Improvements in or relating to mirrors and their manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1249626A true GB1249626A (en) | 1971-10-13 |
Family
ID=10446424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4783767A Expired GB1249626A (en) | 1967-10-20 | 1967-10-20 | Improvements in or relating to mirrors and their manufacture |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1249626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2124558A1 (en) * | 1971-02-09 | 1972-09-22 | Ici Ltd |
-
1967
- 1967-10-20 GB GB4783767A patent/GB1249626A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2124558A1 (en) * | 1971-02-09 | 1972-09-22 | Ici Ltd |
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