Surface-relief diffraction grating
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United States of America Patent
Stats
-
May 6, 2003
Grant Date -
Apr 24, 2003
app pub date -
Jan 16, 2001
filing date -
Jan 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A surface-relief transmission diffraction grating which, after having been subjected to a test condition of 85 degrees centigrade and a relative humidity of 85 percent for at least 500 hours, has diffraction efficiency performance within 6 percent of that achieved before being subjected to these test conditions.
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Cited Art Landscape
Patent Citation Ranking
- 8 Citation Count
- G02B Class
- 1.61 % this patent is cited more than
- 22 Age
