Photocopying – Projection printing and copying cameras – Illumination systems or details
Reexamination Certificate
2008-04-15
2008-04-15
Kim, Peter B. (Department: 2851)
Photocopying
Projection printing and copying cameras
Illumination systems or details
C355S075000
Reexamination Certificate
active
07359037
ABSTRACT:
A method, apparatus, and system for controlling a reticle-masking blade in a photolithography system. A reticle-masking blade is supported with a reticle-masking blade carriage assembly. The reticle-masking blade carriage assembly is levitated at a position with respect to a reference frame and at an orientation with respect to the reference frame. Preferably, the reticle-masking blade carriage assembly is electromagnetically levitated. At least one of the position and the orientation of the reticle-masking blade carriage assembly is measured. At least one of the position and the orientation of the reticle-masking blade carriage assembly is controlled. Optionally, the reticle-masking blade carriage assembly is moved within a dimension within a range defined by the reference frame. The dimension can be two dimensions. The movement of the reticle-masking blade carriage assembly can be controlled.
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Carter Frederick M.
Galburt Daniel N.
Roux Stephen
ASML Hoding N.V.
Kim Peter B.
Sterne Kessler Goldstein and Fox P.L.L.C.
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