ITT Industries, Cannon (www.ittcannon.com) has introduced a 4-mm diameter dome switch capable of up to 2.5 million operations, compared to the dome life cycle of 250,000 to 500,000 operations typically required for cell phones. The company says the difference is important to cell phone makers who are incorporating gaming functions into 3G and WAP phones, thus demanding longer dome life. Keys to the new dome's performance include the nominal actuating trip force of 160g, which was exceeded by nearly fourfold (600g) during testing, the company says.
What should be the perception of a product’s real-world performance with regard to the published spec sheet? While it is easy to assume that the product will operate according to spec, what variables should be considered, and is that a designer obligation or a customer responsibility? Or both?
Biomimicry has already found its way into the development of robots and new materials, with researchers studying animals and nature to come up with new innovations. Now thanks to researchers in Boston, biomimicry could even inform the future of electrical networks for next-generation displays.
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