Patents by Inventor Marica Gustafsson

Marica Gustafsson 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: 7192882
    Abstract: The present invention relates to a method for fabricating a cavity in substrate for a component for electromagnetic waves, the method comprising providing said cavity by removal of material from said substrate by removal of material by immersing the substrate in a liquid bath of a chemical etchant, so that resultant cavity has a top and a bottom side and sidewalls, and said cavity at one of said top and/or bottom sides exhibits an at least a four sided opening having an opening with at least two different adjacent angles. The invention also relates to the component for microwave applications.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: March 20, 2007
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Leif Bergstedt, Spartak Gevorgian, Marica Gustafsson
  • Publication number: 20050215020
    Abstract: The present invention relates to a method for fabricating a cavity in substrate for a component for electromagnetic waves, the method comprising providing said cavity by removal of material from said substrate by removal of material by immersing the substrate in a liquid bath of a chemical etchant, so that resultant cavity has a top and a bottom side and sidewalls, and said cavity at one of said top and/or bottom sides exhibits an at least a four sided opening having an opening with at least two different adjacent angles. The invention also relates to the component for microwave applications.
    Type: Application
    Filed: December 27, 2002
    Publication date: September 29, 2005
    Inventors: Leif Bergstedt, Spartak Gevorgian, Marica Gustafsson