Patents by Inventor Yuk Au

Yuk Au 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).

  • Publication number: 20050155712
    Abstract: The invention provides an apparatus and method for aligning a bonding tool. A force sensor having a plurality of force sensing sections is configured to measure a force generated by the bonding tool on the force sensor. Each sensing section is adapted to individually detect an amount of force from a part of the bonding tool acting on that sensing section, so that an alignment of the bonding tool may be determined.
    Type: Application
    Filed: January 21, 2004
    Publication date: July 21, 2005
    Inventors: Lai Chan, Siu Choy, Chou Liu, Ming NG, Yuk Au
  • Publication number: 20050034577
    Abstract: The invention provides an apparatus and method for indexing a length of film for severance. The apparatus comprises a linear feeding device operative to hold the film and to feed a predetermined amount of film to a trimming device by moving linearly between an initial position and another position towards the trimming device. A film holder located between the linear feeding device and the trimming device is operable between a first position wherein a gap is provided for the film to pass through during feeding to the trimming device, and a second position for clamping the film when severing the film with the trimming device.
    Type: Application
    Filed: August 14, 2003
    Publication date: February 17, 2005
    Inventors: Yuk Au, Siu Lau, Yiu Cheung, Chi Chong, Wan Lo