Patents by Inventor Norbert Schink

Norbert Schink 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).

  • Lead-doped silicon with enhanced semiconductor properties
    Patent number: 4301323
    Abstract: Silicon having semiconductor properties, adapted for use as an optoelectronic component, in particular solar cells, has its optoelectronic properties improved by adding to the silicon an agent, preferably lead, which increases the carrier life time.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: November 17, 1981
    Assignee: Siemens Aktiengesellschaft
    Inventor: Norbert Schink
  • Method of producing silicon useful for semiconductor component manufacture
    Patent number: 4097584
    Abstract: Technical-grade silicon is purified to produce silicon having less than 1 ppm of electrically effective impurities therein, particularly boron and phosphorus, by treating molten technical silicon with a hydrogen containing gas in the presence of water so as to remove such impurities from the molten silicon.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: June 27, 1978
    Assignee: Siemens Aktiengesellschaft
    Inventors: Konrad Reuschel, Norbert Schink