Patents by Inventor Tsz Chun CHOW

Tsz Chun CHOW 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: 8910775
    Abstract: A transfer apparatus has a conveying track for electronic devices in a row, two vacuum passages to create vacuum forces to hold electronic devices against the conveying track at first and second positions respectively preventing overlapping of electronic devices; and sensors arranged with respect to the conveying track, the first sensor detects presence or absence of the leading electronic device at the first position for removal of the leading electronic device from the conveying track, and the second sensor detects presence or absence of the leading electronic device at a sensor position between the first and second positions as the leading electronic device is conveyed along the conveying track from the second to the first vacuum passage.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: December 16, 2014
    Assignee: ASM Technology Singapore Pte Ltd
    Inventors: Chak Tong Sze, Pei Wei Tsai, Wing Sze Chan, Cho Hin Cheuk, Tsz Chun Chow
  • Publication number: 20140041996
    Abstract: A transfer apparatus has a conveying track for electronic devices in a row, two vacuum passages to create vacuum forces to hold electronic devices against the conveying track at first and second positions respectively preventing overlapping of electronic devices; and sensors arranged with respect to the conveying track, the first sensor detects presence or absence of the leading electronic device at the first position for removal of the leading electronic device from the conveying track, and the second sensor detects presence or absence of the leading electronic device at a sensor position between the first and second positions as the leading electronic device is conveyed along the conveying track from the second to the first vacuum passage.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 13, 2014
    Inventors: Chak Tong SZE, Pei Wei TSAI, Wing Sze CHAN, Cho Hin CHEUK, Tsz Chun CHOW