Patents by Inventor Ming-Soah Liang

Ming-Soah Liang 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: 6876062
    Abstract: An apparatus and method for protecting die corners in a semiconductor integrated circuit. At least one irregular seal ring having two sides can be configured, wherein the irregular seal ring is located at a corner of a die utilized in fabricating a semiconductor integrated circuit. A dummy configuration for stress relief can then be arranged, wherein the dummy configuration is located at the two sides of the at least one irregular seal ring, thereby protecting the corner of the die against thermal stress and the semiconductor integrated circuit against moisture and metallic impurities. The irregular seal ring can be configured to generally comprise a non-rectangular seal ring. The irregular seal preferably comprises an octangular seal ring.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: April 5, 2005
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd
    Inventors: Tze-Liang Lee, Shih-Chung Chen, Ming-Soah Liang, Chen-Hua Yu