Patents by Inventor Tin Kwan Bobby Chan

Tin Kwan Bobby Chan 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).

  • Patent number: 7531979
    Abstract: A direct drive robotic manipulator is provided which includes a plurality of segments that are rotatably coupled with respect to one another. A plurality of spindles connects the segments for relative rotation therebetween, and a plurality of direct drive assemblies is further coupled to the plurality of spindles. Each direct drive assembly encloses an end of a spindle and comprises a rotor assembly to which the spindle is attached for manipulating the spindle. A positional measurement apparatus may also be included at each direct drive assembly to ascertain an angular disposition of a segment relative to an adjoining segment.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: May 12, 2009
    Assignee: ASM Technology Singapore Pte Ltd.
    Inventors: Gang Ou, Ajit Gaunekar, Tin Kwan Bobby Chan, Gary Peter Widdowson, Yun Bo He, Dong Sheng Zhang
  • Patent number: 7378616
    Abstract: A heating apparatus and method for heating a semiconductor device during bonding of electrical contacts onto the device is provided, which includes a heating plate that is provided for heating the semiconductor device and a layer of compliant material extending over at least a portion of the heating plate for mounting the semiconductor device. A holding mechanism secures the semiconductor device on the layer of compliant material during bonding of electrical contacts onto the semiconductor device while it is being heated by the heating plate.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: May 27, 2008
    Assignee: ASM Technology Singapore Pte. Ltd.
    Inventors: Tin Kwan Bobby Chan, Choong Kead Leslie Lum
  • Publication number: 20080067966
    Abstract: A direct drive robotic manipulator is provided which includes a plurality of segments that are rotatably coupled with respect to one another. A plurality of spindles connects the segments for relative rotation therebetween, and a plurality of direct drive assemblies is further coupled to the plurality of spindles. Each direct drive assembly encloses an end of a spindle and comprises a rotor assembly to which the spindle is attached for manipulating the spindle. A positional measurement apparatus may also be included at each direct drive assembly to ascertain an angular disposition of a segment relative to an adjoining segment.
    Type: Application
    Filed: September 18, 2006
    Publication date: March 20, 2008
    Inventors: Gang Ou, Ajit Gaunekar, Tin Kwan Bobby Chan, Gary Peter Widdowson, Yun Bo He, Dong Sheng Zhang