Patents Examined by Walter Benso
  • Polymer actuator and device equipped with polymer actuator
    Patent number: 7982368
    Abstract: Provided is a polymer actuator including: an electrolyte layer; and a pair of electrodes provided on both surfaces of the electrolyte layer in the thickness direction, wherein the polymer actuator is deformed when a voltage is applied across the pair of electrodes, and wherein the polymer actuator includes a support portion and a deformation portion, and the gap between the electrodes in the support portion is larger than the gap between the electrodes in the deformation portion.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: July 19, 2011
    Assignee: Alps Electric Co., Ltd.
    Inventor: Isao Takahashi