Patents by Inventor Chao Weng

Chao Weng 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: 20060137974
    Abstract: A wafer electroplating apparatus with a function of bubble removal includes an electroplating bath main body and a fixing device. The electroplating bath main body has an inlet device, a first de-bubble tank and at least an air hole. The fixing device has a second de-bubble tank and an outer shell. The air hole guides gathering bubbles to an outside of the electroplating bath main body so as to remove bubbles. The fixing device can be put into the first de-bubble tank within the electroplating bath main body to form a de-bubble area and is separated easily therefrom to clean the wafer electroplating apparatus. The electroplating bath main body further includes a baffle for rectifying electroplating solution flow before entering the inlet device.
    Type: Application
    Filed: March 8, 2005
    Publication date: June 29, 2006
    Inventors: Chen-Chung Du, Jen-Rong Huang, Pang-Ming Chiang, Chih-Yuan Tseng, Muh-Wang Liang, Chih-Cheng Wang, Yi-Chao Weng
  • Patent number: 7021208
    Abstract: The present invention relates to a compress and position apparatus with positioning, orientating functions and providing more uniform pressing force compliantly. The compress and position apparatus comprises a guiding column, a base, a housing, a seat, a annular portion and a pressing plate. The base has a cylinder, a plurality of locating pins and a convex portion. The annular portion has a through hole and a plurality of locating holes. The guiding column and the cylinder are disposed in the housing provided with an opening for the guiding column passing therethrough. The housing is mounted on the base and passed through a through hole of the annular portion and disposed in a cavity of the seat. A plane on the housing abuts a plane on the cavity to prevent the rotation of the housing. The guiding column is combined with the seat. The locating pin is inserted into the locating hole. The pressing plate engages the annular portion. Thus the guiding column is moved up and down by the gas supply device.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: April 4, 2006
    Assignee: Industrial Technology Research Institute
    Inventors: Chen-Chung Du, Pang-Ming Chiang, Jen-Rong Huang, Muh-Wang Liang, Yi-Chao Weng
  • Publication number: 20050051023
    Abstract: The present invention relates to a compress and position apparatus with positioning, orientating functions and providing more uniform pressing force compliantly. The compress and position apparatus comprises a guiding column, a base, a housing, a seat, a annular portion and a pressing plate. The base has a cylinder, a plurality of locating pins and a convex portion. The annular portion has a through hole and a plurality of locating holes. The guiding column and the cylinder are disposed in the housing provided with an opening for the guiding column passing therethrough. The housing is mounted on the base and passed through a through hole of the annular portion and disposed in a cavity of the seat. A plane on the housing abuts a plane on the cavity to prevent the rotation of the housing. The guiding column is combined with the seat. The locating pin is inserted into the locating hole. The pressing plate engages the annular portion. Thus the guiding column is moved up and down by the gas supply device.
    Type: Application
    Filed: January 27, 2004
    Publication date: March 10, 2005
    Inventors: Chen-Chung Du, Pang-Ming Chiang, Jen-Rong Huang, Muh-Wang Liang, Yi-Chao Weng
  • Patent number: 5918187
    Abstract: An electric charger for a mobile telephone usable in a house and in a car includes a transformer, a car charge plug, a cap, and a shield. The transformer has an indoor plug on a first side and a car plug base movably fixed on a second side. The car plug base can be swung pivotally up to a right angle in case of use for charging a mobile telephone in car. The indoor plug is hidden with a cap pivotally combined with the transformer and the cap is able to be swung open to expose the indoor plug for charging in a house.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: June 29, 1999
    Inventor: Ying-Chao Weng
  • Patent number: 5736830
    Abstract: A charger usable in houses and in cars includes a transformer and a transfer base. The transformer has a terminal plug for connecting with a charge base of a mobile telephone, and two blades for connecting with an outlet of electricity in a house. The transfer base has an opening formed in a front portion for the transformer to fit therein, with two conductors on the transfer base and on the transformer to contact with each other. Further, the transferring base has a charge plug for inserting in an outlet of electricity in a car for charging.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: April 7, 1998
    Inventor: Ying-Chao Weng