×

Torsional acoustic wave sensor

  • US 20050001515A1
  • Filed: 07/01/2003
  • Published: 01/06/2005
  • Est. Priority Date: 07/01/2003
  • Status: Active Grant
First Claim
Patent Images

1. An acoustic wave sensor comprising:

  • an acoustic wave cavity formed in a noncylindrical substrate and defined by an area having a mass per surface area that is greater than the mass per surface area of the substrate adjacent to the acoustic wave cavity; and

    at least one transducer positioned with respect to the acoustic wave cavity to generate a torsional acoustic wave in the acoustic wave cavity.

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