Patents by Inventor Bruce E. Bolliger

Bruce E. Bolliger 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).

  • Very high energy, high stability gas discharge laser surface treatment system
    Patent number: 7167499
    Abstract: A gas discharge laser crystallization apparatus and method for performing a transformation of a crystal makeup or orientation in the substrate of a workpiece is disclosed which may comprise, a multichamber laser system comprising, a first laser unit comprising, a first and second gas discharge chamber; each with a pair of elongated spaced apart opposing electrodes contained within the chamber, forming an elongated gas discharge region; a laser gas contained within the chamber comprising a halogen and a noble gas selected to produce laser light at a center wavelength optimized to the crystallization process to be earned out on the workpiece; a power supply module comprising, a DC power source; a first and a second pulse compression and voltage step up circuit connected to the DC power source and connected to the respective electrodes, comprising a multistage fractional step up transformer having a plurality of primary windings connected in series and a single secondary winding passing through each of the plura
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: January 23, 2007
    Assignee: TCZ PTE. Ltd.
    Inventors: Palash P. Das, Bruce E. Bolliger, Partiv S. Patel, Brian C. Klene, Paul C. Melcher, Robert B. Saethre
  • Very high energy, high stability gas discharge laser surface treatment system
    Publication number: 20040182838
    Abstract: A gas discharge laser crystallization apparatus and method for performing a transformation of a crystal makeup or orientation in the substrate of a workpiece is disclosed which may comprise, a multichamber laser system comprising, a first laser unit comprising, a first and second gas discharge chamber; each with a pair of elongated spaced apart opposing electrodes contained within the chamber, forming an elongated gas discharge region; a laser gas contained within the chamber comprising a halogen and a noble gas selected to produce laser light at a center wavelength optimized to the crystallization process to be carried out on the workpiece; a power supply module comprising, a DC power source; a first and a second pulse compression and voltage step up circuit connected to the DC power source and connected to the respective electrodes, comprising a multistage fractional step up transformer having a plurality of primary windings connected in series and a single secondary winding passing through each of the plur
    Type: Application
    Filed: February 18, 2004
    Publication date: September 23, 2004
    Inventors: Palash P. Das, Bruce E. Bolliger, Parthiv S. Patel, Brian C. Klene, Paul C. Melcher, Robert B. Saethre