Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Reexamination Certificate
2006-08-08
2006-08-08
Kim, Peter B. (Department: 2851)
Photocopying
Projection printing and copying cameras
Detailed holder for photosensitive paper
C355S075000, C355S053000
Reexamination Certificate
active
07088428
ABSTRACT:
Lorentz actuators generate heat due to electrical dissipation in the field coils. As the field through the coils changes, eddy currents are induced in cooling elements leading to undesirable damping forces and heating. The present invention provides an improved design that reduces eddy currents by incorporating slits in the cooling element. Slits are preferably perpendicular to the induced electric field and parallel to each other, and reduce the magnitude of the eddy currents by forcing them to take paths of higher electrical resistance.
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European Search Report in reference to EP 03 25 1446, dated Feb. 5, 2004.
Buis Edwin Johan
Hol Sven Antoin Johan
Van Der Schoot Harmen Klaas
Vreugdewater Patricia
ASML Netherlands B.V.
Kim Peter B.
Pillsbury Winthrop Shaw & Pittman LLP
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