Fish & Richardson, P.C.
Cantilever pressure transducer
 Micromachined cantilever pressure transducers, which work both as microphones and as microspeakers, are disclosed. These devices are made possible by novel methods for producing flat, thin film multilayer or polymeric cantilevers. 
The Regents of the University of California
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A61B A61B A61B A61B H04R H04R B06B H04R A61B H01L A61B
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Albert P. Richard M. Seung S.
Pisano White Lee