Patents by Inventor Elbrecht Lueder

Elbrecht Lueder 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).

  • Piezoelectric resonator device having detuning layer sequence
    Patent number: 6864619
    Abstract: A resonator device includes a piezoelectric resonator having a detuning layer sequence arranged on the piezoelectric resonator. The detuning layer sequence includes at least a first layer having a high acoustic impedance and a second layer having a low acoustic impedance.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: March 8, 2005
    Assignee: Infineon Technologies AG
    Inventors: Robert Aigner, Elbrecht Lueder, Stephan Marksteiner, Winfried Nessler
  • Piezoelectric resonator device having detuning layer sequence
    Publication number: 20040130847
    Abstract: A resonator device includes a piezoelectric resonator having a detuning layer sequence arranged on the piezoelectric resonator. The detuning layer sequence includes at least a first layer having a high acoustic impedance and a second layer having a low acoustic impedance.
    Type: Application
    Filed: November 18, 2003
    Publication date: July 8, 2004
    Inventors: Robert Aigner, Elbrecht Lueder, Stephan Marksteiner, Winfried Nessler