TW229179B - A production method for forming image on precious metal - Google Patents

A production method for forming image on precious metal

Info

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
Application number
TW83100010A
Other languages
Chinese (zh)
Inventor
Jiin-Wang Her
Original Assignee
Ta Fong Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ta Fong Co Ltd filed Critical Ta Fong Co Ltd
Priority to TW83100010A priority Critical patent/TW229179B/en
Application granted granted Critical
Publication of TW229179B publication Critical patent/TW229179B/en

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  • 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.
TW83100010A 1994-01-04 1994-01-04 A production method for forming image on precious metal TW229179B (en)

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)

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