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Article #1074Re: Low cost membrane keypad prototypes?
From: Mark Harriss
Date: Wed, 22 Apr 2009 08:51
Date: Wed, 22 Apr 2009 08:51
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agw@woodtech.net.au wrote: > On Apr 22, 5:20 pm, "David L. Jones" <altz...@gmail.com> wrote: >> I'm after a place that can do low-ish cost membrane keypad prototypes and >> small qty (100's). >> Not actually membrane with the flex cable, but the simpler polydome (or >> tact) variety that sticks directly onto the PCB. >> I've been quoted $600+ for tooling locally, just wondering if there is >> someplace cheaper? >> >> Thanks >> Dave. > > Hi Dave, > > Have you tried Permark? They are usually very competitive on pricing. > > Andy Would it be possible to sandwich some 0.6mm FR4 with holes punched in it over the PCB board contacts and then another layer of 0.6mm FR4 or mylar with thin carbon rubber dots glued to it. Then it would be a matter of getting the top layer screen printed with the characters of the buttons or the copper layer etched and plated with the numerals.
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