Optical: systems and elements – Lens – With support
Reexamination Certificate
2005-07-05
2005-07-05
Mack, Ricky (Department: 2873)
Optical: systems and elements
Lens
With support
C359S822000, C359S823000
Reexamination Certificate
active
06914733
ABSTRACT:
A system for prolonging the useful lifetime of an optical element upon which a laser is directed includes a holder adapted for mounting an optical element and a motor for rotating the holder upon which the optical element may be mounted such that when a laser beam impinges on the optical element, a point of impingement of the laser beam on the optical element is varied when the point of impingement of the laser beam on the optical element is radially separated from an axis of rotation of the optical element.
REFERENCES:
patent: 4723075 (1988-02-01), German
patent: 5061841 (1991-10-01), Richardson
patent: 5825562 (1998-10-01), Lai et al.
patent: 6130490 (2000-10-01), Lee
patent: 6747735 (2004-06-01), Chen et al.
patent: 6782033 (2004-08-01), Ozasa
Anrig Martin
Bessing Robert
Dong Shalei
Siebert Christof
Wielnig Roland
Mack Ricky
Thomas Brandi N
Trumpf Laser Marking Systems AG
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