Patents by Inventor Hans Glawischnig

Hans Glawischnig 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: 6380074
    Abstract: A method for the shrink-hole-free filling of trenches in semiconductor circuits which utilizes selective growth of a layer to be applied is described. In the method, a layer of a selective growing material is applied simultaneously to a growth-promoting layer and to a growth-inhibiting layer. Wherein raised portions which, before the layer of selective growing material is applied, are covered by the growth-inhibiting layer at least on their sides. After the growth-inhibiting layer has been applied, the growth-promoting layer is generated by anisotropic treatment on surfaces parallel to the substrate on and between the raised portions and the layer is then removed again on surfaces parallel to the substrate on the raised portions. The method makes it possible to produce in a particularly simple manner a pattern on the raised portions of which are covered by the growth-inhibiting layer on their sides and on their top whereas the bottom of trenches is covered with a growth-promoting layer.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: April 30, 2002
    Assignee: Infineon Technologies AG
    Inventors: Markus Kirchhoff, Hans-Peter Sperlich, Uwe Schilling, Zvonimir Gabric, Oswald Spindler, Stephan Wege, Hans Glawischnig