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Rounded wall surface acoustic wave sensors

  • US 4,622,854 A
  • Filed: 12/31/1984
  • Issued: 11/18/1986
  • Est. Priority Date: 12/31/1984
  • Status: Expired due to Fees
First Claim
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1. A pressure sensor comprising:

  • a cylindrical body made of two halves joined along an axial plane;

    an axially extending channel formed in each half to face that of the other, each channel having a bottom;

    an axially extending flat formed at the bottom of each channel; and

    a respective SAW device formed on each flat;

    wherein at least one of the channels has a curved sidewall adjacent the flat, and wherein the two channels form a sealed cavity.

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