×

Micromachined Capacitive Microphone

  • US 20060280319A1
  • Filed: 06/08/2005
  • Published: 12/14/2006
  • Est. Priority Date: 06/08/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A micromachined capacitive microphone including a shallowly corrugated diaphragm having a plurality of support dimples connected to the diaphragm is anchored at one or more locations on the support;

  • a remaining diaphragm layer that is loose at other locations is bounded at perimeters by edge rail and tap for lateral and vertical movements and forms a passage at these locations with the tap on edge rail;

    a perforated backplate having perforation holes and through holes is spaced in parallel below the diaphragm; and

    the said diaphragm, the said support and the said backplate form a cantilever structure that is shaped to release and control the stress in the said diaphragm.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×