Try the Snap Dome Switch thru Data Entry Products Inc.  Ph. 303-663-7337  fx. 
303-663-4589.  We use them and they work well

Larry Campbell
BFGoodrich, Avionics Systems

*************

  I'm looking for information about the manufacturing
of membrane switch.
  If you know where do I can find some information about it
please mail me the address, phone, fax o whatever you want.

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