Patents by Inventor Sandra M. Troian

Sandra M. Troian 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: 8793006
    Abstract: An apparatus and method of controllably stimulating the growth and evolution of 2D and 3D structures from a thin film mass transfer process such that complex devices can be designed and fabricated having engineered features of different heights and separation distances in a single or few process steps are provided. More specifically, the apparatus and method allows for the construction of engineered temperature gradient fields capable of controlling for, and taking into account, proximity effects during the growth and evolution of adjacent structures, which in turn allows for the production of technologically significant micro and nanoscale devices in a number of fields.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: July 29, 2014
    Assignee: California Institute of Technology
    Inventor: Sandra M. Troian
  • Publication number: 20100145491
    Abstract: An apparatus and method of controllably stimulating the growth and evolution of 2D and 3D structures from a thin film mass transfer process such that complex devices can be designed and fabricated having engineered features of different heights and separation distances in a single or few process steps are provided. More specifically, the apparatus and method allows for the construction of engineered temperature gradient fields capable of controlling for, and taking into account, proximity effects during the growth and evolution of adjacent structures, which in turn allows for the production of technologically significant micro and nanoscale devices in a number of fields.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 10, 2010
    Applicant: California Institute of Technology
    Inventor: Sandra M. Troian
  • Patent number: 7216660
    Abstract: The invention is directed to a method and device for routing, mixing, or reacting droplets or liquid microstreams along the surface of a flat substrate. The flow of liquid microstreams or microdroplets along designated pathways is confined by chemical surface patterning. Individually addressable heating elements, which are embedded in the substrate, can be used to generate flow via thermocapillary effects or to trigger or quench chemical reactions. The open architecture allows the liquid to remain in constant contact with the ambient atmosphere. The device can be used for microfluidic applications or as a surface reactor or biosensor, among other applications.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: May 15, 2007
    Assignee: Princeton University
    Inventors: Sandra M. Troian, Anton A. Darhuber, Sigurd Wagner
  • Publication number: 20020150683
    Abstract: The invention is directed to a method and device for routing, mixing, or reacting droplets or liquid microstreams along the surface of a flat substrate. The flow of liquid microstreams or microdroplets along designated pathways is confined by chemical surface patterning. Individually addressable heating elements, which are embedded in the substrate, can be used to generate flow via thermocapillary effects or to trigger or quench chemical reactions. The open architecture allows the liquid to remain in constant contact with the ambient atmosphere. The device can be used for microfluidic applications or as a surface reactor or biosensor, among other applications.
    Type: Application
    Filed: November 2, 2001
    Publication date: October 17, 2002
    Inventors: Sandra M. Troian, Anton A. Darhuber, Sigurd Wagner