Patents by Inventor Chen-Lung Chu

Chen-Lung Chu 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: 6470231
    Abstract: The invention is proposed to efficiently dispatch wafers into tools, and particularly to provide a real-time and automatic way to dispatch wafers. In addition, a method for dispatching wafers, a system for dispatching wafers into tools and a system for processing numerous lots by number of tools with automatic dispatch are present as examples. One main characteristic of the invention is that each pending wafer is given an individual priority before it is processed by any tool and the priority is automatically calculated in accordance with to a ranking algorithm. Another main characteristic of the invention is that whenever a tool is available to process at least one pending wafer, part of pending wafers is automatically assigned to the available tool in accordance with an assignment algorithm and a required limitation database that is provided by the dispatcher.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: October 22, 2002
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Keng-Chia Yang, Yo Chang, Chen-Lung Chu, Yi-Hung Lee