Patents by Inventor Jen Jul Cheng

Jen Jul Cheng 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: 20100068010
    Abstract: A mini clean room for preventing wafer pollution includes a robot arm, a clean room body slidably disposed on the robot arm and at least one lock unit which is rotatably connected with the clean room body. During operation, the robot arm extends out of the clean room body to carry a wafer waiting to be processed, and then moves back into the clean room body which can provide an isolated and protected space for the wafer to avoid that the wafer is polluted. The present invention also discloses a method of using a mini clean room for preventing wafer pollution.
    Type: Application
    Filed: November 12, 2008
    Publication date: March 18, 2010
    Applicant: INOTERA MEMORIES, INC.
    Inventors: JHIN-SIANG JHONG, Jen Jul Cheng, Chen Lung Huang