Patents by Inventor Michiel Scheffer

Michiel Scheffer 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).

  • Compositions and methods for texturing polycrystalline silicon wafers
    Patent number: 8986559
    Abstract: Compositions and methods for chemical texturing a surface of a polycrystalline silicon wafer to be used in the manufacture of solar cells provide increased efficiency in the manufacture and operation of solar cells. The compositions and methods disclosed herein include first and second components, wherein the first component is a UKON etch composition, including a hydrofluoric acid/nitric acid mixture and water, while the second component includes a silicon wafer texturing enhancer (SWTE).
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: March 24, 2015
    Assignee: Avantor Performance Materials, Inc.
    Inventors: Nicolas Hildenbrand, Joannes Theodorus Valentinus Hoogboom, Michiel Scheffer, Raymond Albertus Johannes Ten Broeke