Patents by Inventor Bruno W. J. Spolders

Bruno W. J. Spolders 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).

  • Method of testing a display device during the manufacture thereof
    Patent number: 6422744
    Abstract: A method of manufacturing a display device comprising an air-tight envelope and at least a glass part (3) which forms part of said air-tight envelope, is characterized in that the glass part (3) is warmed up, during a first time period, at a first temperature (T1), whereafter the glass part is immersed, during a second time period, in a fluid (32) at a second temperature (T2), said second temperature being lower than the first temperature (T2<T1). Preferably, 25°≦T1−T2≦85°, and, in particular, T1−T2≈50°. Preferably, 50° C.≦T1≦100° C., and, in particular, T1≈65° C. Preferably, the glass part is a display window (3) or a cone portion of a display window, and the fluid is water (32).
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: July 23, 2002
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Hans Galenkamp, Bruno W. J. Spolders