Patents by Inventor Evelyn Riha

Evelyn Riha 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).

  • Electroacoustic component
    Patent number: 8247955
    Abstract: An electroacoustic component includes a substrate that includes a quartz single crystal. The quartz single crystal has a first Euler angle ?: ?5°???5°, a second Euler angle ?, and a third Euler angle ?. A contiguous region of the quartz single crystal has the following vertices Pi(?i, ?i): (23°, 20°), (60°, 17°), (110°, 30°), (105°, 42°), (60°, 30°), (23°, 25°).
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 21, 2012
    Assignee: EPCOS AG
    Inventors: Ulrike Roesler, Evelyn Riha, Werner Ruile
  • ELECTROACOUSTIC COMPONENT
    Publication number: 20100109485
    Abstract: An electroacoustic component includes a substrate that includes a quartz single crystal. The quartz single crystal has a first Euler angle ?: ?5°???5°, a second Euler angle ?, and a third Euler angle ?. A contiguous region of the quartz single crystal has the following vertices Pi(?i, ?i): (23°, 20°), (60°, 17°), (110°, 30°), (105°, 42°), (60°, 30°), (23°, 25°).
    Type: Application
    Filed: October 12, 2007
    Publication date: May 6, 2010
    Inventors: Ulrike Roesler, Evelyn Riha, Werner Ruile
  • SAW-component having a reduced temperature path and method for the production thereof
    Patent number: 7589452
    Abstract: Elements and methods for forming elements that operate with acoustic waves are disclosed. The element includes a piezoelectric electric substrate that has a first thermal coefficient of expansion, electrically conducting element structures on an upper side of the substrate, a compensation layer on an underside of the substrate, and an SiO2 layer over the element structures.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: September 15, 2009
    Assignee: EPCOS AG
    Inventors: Markus Hauser, Ulrich Knauer, Anton Leidl, Evelyn Riha, Gerd Riha, Ulrike Rösler, Werner Ruile, Clemens Ruppel, Gerd Scholl, Ulrich Wolff
  • Saw-Component Having a Reduced Temperature Path and Method for the Production Thereof
    Publication number: 20070296306
    Abstract: Elements and methods for forming elements that operate with acoustic waves are disclosed. The element includes a piezoelectric electric substrate that has a first thermal coefficient of expansion, electrically conducting element structures on an upper side of the substrate, a compensation layer on an underside of the substrate, and an SiO2 layer over the element structures.
    Type: Application
    Filed: August 18, 2005
    Publication date: December 27, 2007
    Inventors: Markus Hauser, Ulrich Knauer, Anton Leidl, Evelyn Riha, Gerd Riha, Ulrike Rosler, Werner Ruile, Clemens Ruppel, Gerd Scholl, Ulrich Wolff