Patents by Inventor Alberto F. Viscarra

Alberto F. Viscarra 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: 20110113619
    Abstract: A process for fabricating a three dimensional molded feed structure is provided. In one embodiment, the invention relates to a process for fabricating a three dimensional radio frequency (RF) antenna structure, the process including providing a flexible circuit substrate, forming a first preselected pattern of channels in the flexible circuit substrate, depositing a conductive layer on the formed flexible substrate, and removing portions of the conductive layer to form a plurality of conductive traces.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 19, 2011
    Inventors: Alberto F. Viscarra, David T. Winslow, Billy D. Ables, Kurt S. Ketola, Kurt J. Krause, Kevin C. Rolston, Rohn Sauer, James R. Chow
  • Publication number: 20110115578
    Abstract: A radio frequency (RF) transition for a three dimensional molded RF structure is provided. In one embodiment, the invention relates to a radio frequency (RF) transition for an RF structure, the RF transition includes an assembly having a first flexible layer, a second flexible layer, and a third flexible layer, wherein a first section of the assembly includes a microstrip transmission line, wherein a second section of the assembly includes a dielectric stripline transmission line, and wherein a third section of the assembly includes a suspended substrate stripline transmission line.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 19, 2011
    Inventors: Clifton Quan, Fangchou Yang, Hee Kyung Kim, Alberto F. Viscarra
  • Publication number: 20110114242
    Abstract: Systems and methods for assembling lightweight RF antenna structures are provided. In one embodiment, the invention relates to a process for forming a lightweight antenna including a process for forming a first feed assembly for the antenna, the process for forming the first feed assembly including providing a flat flexible circuit substrate, providing a formed flexible circuit substrate, applying an adhesive to a plurality of locations on a surface of the flat substrate or the formed substrate, joining the flat substrate and the formed substrate using the adhesive, and heating the joined flat substrate and the formed substrate to bond the substrates.
    Type: Application
    Filed: November 17, 2009
    Publication date: May 19, 2011
    Inventors: Hee Kyung Kim, Fangchou Yang, Alberto F. Viscarra, Clifton Quan, Derek Pruden
  • Publication number: 20090269162
    Abstract: A fastener assembly including an elongate fastener adapted to extend through a chamber having a longitudinal axis, a first end and a second end; a first seal disposed at least partially at the first end of the fastener to prevent leakage of fluid from the chamber; and a second seal disposed at least partially at the second end of the fastener to prevent leakage of fluid from the chamber. In a specific embodiment, the first and second seals are conical seals and a third seal is provided by a gasket.
    Type: Application
    Filed: April 29, 2008
    Publication date: October 29, 2009
    Inventors: Ethan S. Heinrich, Alberto F. Viscarra, Jennifer G. Wensel, Stephen E. Sox