Canadian Plastics

No hang ups over keyboard design

Canadian Plastics   



When it came time to design the housing for the W950i Walkman smart phone, Sony Ericsson and Bayer MaterialScience certainly didn't phone it in.

When it came time to design the housing for the W950i Walkman smart phone, Sony Ericsson and Bayer MaterialScience certainly didn’t phone it in.

The innovative flat, back-printed keyboard is seamlessly integrated into the phone’s housing, which makes for one continuous part. The design simplifies assembly, and there are no gaps between the keys for dirt particles.

The keyboard was manufactured with a combination of FIM and soft/hard technologies. After producing a film insert using 200-micrometer-thick polycarbonate-polybutylene terephthalate Bayfol CREC film (PC+PBT), which is more flexible than PC film, a rigid frame made of Bayblend (PC+ABS) was integrally molded onto the film.

The keyboard was back-injected with Desmopan flexible thermoplastic polyurethane (TPU) in a second cavity to form additional functional elements and stabilize the film.

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Bayer Inc. (Toronto);

www.bayer.ca; 866-770-1102

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