Patents Represented by Attorney, Agent or Law Firm H. Daniel Schnurmann, Esq.
  • MLC frequency selective circuit structures
    Patent number: 6806793
    Abstract: MLC (multilayer ceramic) frequency selective circuit structures are disclosed. The MLC frequency selective circuit structures have a solenoid and toroid coil geometry in a multilayer electronic package which functions as a frequency selective tuned circuit in which both the number of turns and the aspect ratio of the solenoid coil are selected to adjust the tuned frequency. In some embodiments, a plurality of such coils can be connected together to provide a selected bandwidth about a tuned center frequency.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: October 19, 2004
    Assignee: International Business Machines Corporation
    Inventors: Harsaran S. Bhatia, Harvey C. Hamel, David C. Long, Edward R. Pillai, Christopher D. Setzer, Benjamin P. Tongue