Patents by Inventor Matt Laurich

Matt Laurich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for reducing the frequency-temperature shift of piezoelectric crystals
    Patent number: 5571363
    Abstract: A method and device for selectively reducing the frequency-temperature shift of piezoelectric crystals. The piezoelectric device (100) includes a substrate (102), a piezoelectric element (106) and a temperature dependent interface structure (120) for beneficially stressing the piezoelectric element at a predetermined temperature range. The substrate (102), piezoelectric element (106) and temperature-dependent interface structure (120) define a piezoelectric package having a predetermined non-compensated third order Bechmann curve having a low temperature end and a high temperature end, with an inflection point therebetween, whereby the frequency-temperature shift is reducable on the third order Bechmann curve.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: November 5, 1996
    Assignee: Motorola, Inc.
    Inventors: Jill A. Brosig, Matt Laurich
  • Piezoelectric device for controlling the frequency-temperature shift of piezoelectric crystals and method of making same
    Patent number: 5473216
    Abstract: A method and device for selectively reducing the frequency-temperature-shift of piezoelectric crystals. The piezoelectric device (100) includes a substrate (102), a piezoelectric element (106) and a temperature dependent interface structure (120) for beneficially stressing the piezoelectric element at a predetermined temperature range. The substrate (102), piezoelectric element (106) and temperature-dependent interface structure (120) define a piezoelectric package having a predetermined non-compensated third order Bechmann curve having a low temperature end and a high temperature end, with an inflection point therebetween, whereby the frequency-temperature shift is reducable on the third order Bechmann curve.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: December 5, 1995
    Assignee: Motorola, Inc.
    Inventors: Jill A. Brosig, Matt Laurich