Patents Examined by Matt Kopec
  • Tunable devices incorporating cacu3ti4o12
    Patent number: 6936559
    Abstract: This invention provides tunable devices incorporating the dielectric CaCu3Ti4O12. CaCu3Ti4O12 is especially useful in tunable devices such as phase shifters, matching networks, oscillators, filters, resonators, and antennas comprising interdigital and trilayer capacitors, coplanar waveguides and microstrips.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: August 30, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Dong Li, Munirpallam Appador Subramanian