Method of manufacturing keyboard buttons

Details Method of manufacturing keyboard buttons Method of manufacturing keyboard buttons

G - Physics

05

G

96/215, 235/96

G05G 1/06 (2006.01) B41J 5/12 (2006.01) G03F 7/00 (2006.01)

Patent

CA 1088901

METHOD OF MANUFACTURING KEYBOARD BUTTONS Abstract The invention provides a photo-projection and develop- ment technique which is suitable for computer controlled mass production of low cost keyboard buttons with coloured characters. The process comprises assembling blank keyboard but- tons with the surface on which a character is to be de- posited in a predetermined orientation. Then, after cleaning, the character surface is coated with a layer of radiation sensitive material. Finally the layer is exposed to provide a latent image of a desired charac- ter, developed to give the character a permanent image, and lastly coated with a protective layer.

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