... keypads for various applications7, Silk screen printing, spray coating, laser etching, back-lighted, hard/epoxy coating keypads8, Keypad ... on each key top11, Combination of PC and rubber keypad12, Automatic painting and laser etching process13, Excellent graphic contrast14, Increase ... readability in badly lit area15, Sprayed with color inks and laser etched to cut legend for a backlit effect16, Rubber ...