Patents by Inventor James B. Sundin

James B. Sundin 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: 6415803
    Abstract: An apparatus and method for cleaning and rinsing of disk-shaped objects, such as silicon wafers, high precision lenses and the like. The cleaning and rinsing may take place in a single chamber, that is sequentially filled with cleaning solution, rinsing solution, and the like. In an important aspect of the invention, chemical cleaning solutions are dumped to containers and recycled for the use. Moreover, a cleaning solution composition may be monitored, and the concentration of solution can be adjusted automatically, or make-up chemicals may be added, as necessary. The apparatus has a relatively small footprint and maybe surrounded with an enclosure that may be kept at lower than atmosphere pressure to prevent escape of potentially hazardous contaminants into the environment. In preferred embodiments of the invention, the handling of wafers to be cleaned is carried out robotically, most preferably using a robot with at least two end-effectors, each adapted for a specific function.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: July 9, 2002
    Assignee: Z Cap, L.L.C.
    Inventors: James B. Sundin, Richard S. Tirendi, Paul W. Dryer