Patents Represented by Attorney J. H. Dautrermont

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  • Solid imaging system
    Patent number: 5014207
    Abstract: In a solid imaging system, the beam of a relatively high-powered beam radiation source, and more particularly a laser, is modulated in accordance with its varying vector sweep speed so that substantially constant layer depth is maintained at all scanner speeds in a strip of photohardenable composition as it hardens and solidifies in response to the source's irradiation.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: May 7, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: John A. Lawton