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A spatial filter is an emulsion mask having a clean annular region in an otherwise opaque region. It is designed to eliminate undesired information.
Data Optics, Inc. - Ypsilanti, MI
Data Optics, Inc. is a 45 year old manufacturer of precision optical research equipment and optical test instruments, including optical benches, table rails, breadboards, mounts, carriers, rod-mounted accessories, spatial filters, custom film drives and liquid gates, environmental isolation...
CILAS, Sub. of EADS Astrium - Orleans, France
i-Chips Technology Inc. - San Jose, CA
Precision Applied Science, LC - Ann Arbor, MI
1. Generally, an emulsion mask having a clean annular region in an otherwise opaque region. It is designed to eliminate undesired information. 2. A pinhole in a metal plate, placed at a focal plane in a laser beam expander to deflect unwanted...
vacuum spatial filters
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