Patent ID: 6958183

Claim:
A method of manufacturing a key top plate, comprising: placing a first film plate on a second film plate, each of the first film plate and the second film plate comprising a flexible transparent resin film; clamping the first film plate and the second film plate between a first die and a second die, the first die and the second die being shaped and arranged to form a key top cavity therebetween; injecting molten mold-thermoplastic resin into the key top cavity between the first film plate and the second film plate so as to fill the key top cavity to thereby form a mold-thermoplastic resin key top body with the first film plate attached to a top surface of the key top body and with the second film plate attached to a bottom surface of the key top body; and removing the first die and the second die after the molten mold-thermoplastic resin has set so as to obtain a key top including the key top body, the first film plate attached to the top surface of the key top body, and the second film plate attached to the bottom surface of the key top body.