Raymond Burghard resumes & CV records
Resumes
Raymond W Burghard, 59Hudson, NH
Raymond Burghard Phones & Addresses
Litchfield, NH
995 Union St, Manchester, NH 03104
4 Humphrey St, Concord, NH 03301
5 Heidi Ln, Bow, NH 03304 603-2283019
Jefferson, NY
Arlington, TX
Austin, TX
4 Humphrey St, Concord, NH 03301 603-2283019
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Raymond W Burghard
Linkedin
Work
Position:
Financial Professional
Education
Degree:
Associate degree or higher
Mentions for Raymond W Burghard
Publications & IP owners
Us Patents
Method To Detect Non-Spherical Particles Using Orthogonally Polarized Light
US Patent:
5637881, Jun 10, 1997
Filed:
Apr 11, 1995
Appl. No.:
8/421572
Inventors:
Raymond Burghard - Bow NH
Derek Aqui - San Jose CA
Peter Borden - San Mateo CA
Derek Aqui - San Jose CA
Peter Borden - San Mateo CA
Assignee:
High Yield Technology, Inc. - Sunnyvale CA
International Classification:
G01N 1506
US Classification:
250573
Abstract:
A structure and a method provide a quasi bright field particle sensor for the detection of non-spherical particles, using a laser beam of predetermined polarization. A phase shift caused by non-spherical particles passing through the laser beam is utilized to detect the presence of such particles. In one embodiment, a single laser beam is used to detect the concentration of non-spherical particles in the pump line receiving the exhaust gas from a process chamber.
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