Patents Represented by Attorney, Agent or Law Firm Werner J. Stemer
  • Ferroelectric random access memory (FeRAM) having storage capacitors with different coercive voltages
    Patent number: 6438019
    Abstract: The invention relates to a ferroelectric RAM configuration, including a number of storage cells, each of which has a selection transistor and a capacitor device with a ferroelectric dielectric. The capacitor device includes at least two capacitors whose coercive voltages are different from each other.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: August 20, 2002
    Assignee: Infineon Technologies AG
    Inventors: Walter Hartner, Günther Schindler, Frank Hintermaier