Patents by Inventor Pil-Gyu Park

Pil-Gyu Park 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: 20090176321
    Abstract: A template for forming solder bumps includes a transparent substrate on which a plurality of cavities is formed at an upper surface portion thereof, and a light-reflective layer and a protective layer formed on a lower surface of the transparent substrate. When a nozzle makes close contact with the template to inject a molten solder into the cavities, damage to the template may be prevented by the light-reflective layer and the protective layer, and thus the lifetime of the template may be increased. An inspection process on the solder bumps, which are formed in the cavities of the template, may be easily performed by analyzing light reflected by the light-reflective layer.
    Type: Application
    Filed: April 18, 2008
    Publication date: July 9, 2009
    Inventor: Pil-Gyu Park