TW229179B - A production method for forming image on precious metal - Google Patents
A production method for forming image on precious metalInfo
- Publication number
- TW229179B TW229179B TW83100010A TW83100010A TW229179B TW 229179 B TW229179 B TW 229179B TW 83100010 A TW83100010 A TW 83100010A TW 83100010 A TW83100010 A TW 83100010A TW 229179 B TW229179 B TW 229179B
- Authority
- TW
- Taiwan
- Prior art keywords
- image
- precious metal
- negative
- order
- contrast
- Prior art date
Links
Landscapes
- ing And Chemical Polishing (AREA)
Abstract
A production method for forming image on precious metal, which mainlycomprises photographing the target black and white or color picture througha red filter to obtain a negative in order to increase the contrast andcontour of the image; processing the negative by repetitive exposure withstrong black and white contrast so as to generate strong contrast and toremove the minute net spots on the negative in order to make the image onthe negative more clear; on the other hand, coating a layer of lightsensitizer on the precious metal base plate; duplicating the image on thenegative to the precious metal plate through a ultraviolet light;solidifying the part of sensitizer which is without the image; removing theun-solidified sensitizer part (i.e., image) in order to undergo etching andanti-rusting processing in order to make the image clearer and strongcontrast.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW83100010A TW229179B (en) | 1994-01-04 | 1994-01-04 | A production method for forming image on precious metal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW83100010A TW229179B (en) | 1994-01-04 | 1994-01-04 | A production method for forming image on precious metal |
Publications (1)
Publication Number | Publication Date |
---|---|
TW229179B true TW229179B (en) | 1994-09-01 |
Family
ID=51348504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW83100010A TW229179B (en) | 1994-01-04 | 1994-01-04 | A production method for forming image on precious metal |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW229179B (en) |
-
1994
- 1994-01-04 TW TW83100010A patent/TW229179B/en active
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