Photocopying – Projection printing and copying cameras – Detailed holder for original
Reexamination Certificate
2007-05-29
2007-05-29
Kim, Peter B. (Department: 2851)
Photocopying
Projection printing and copying cameras
Detailed holder for original
C355S053000, C355S073000, C438S638000
Reexamination Certificate
active
11389731
ABSTRACT:
The present invention is directed to a chucking system to modulate substrates so as to properly shape and position the same with respect to a wafer upon which a pattern is to be formed with the substrate. The chucking system includes a chuck body having first and second opposed sides. A side surface extends therebetween. The first side includes first and second spaced-apart recesses defining first and second spaced-apart support regions. The first support region cinctures the second support region and the first and second recesses. The second support region cinctures the second recess, with a portion of the body in superimposition with the second recess being transparent to radiation having a predetermined wavelength. The second side and the side surface define exterior surfaces. The body includes throughways placing the first and second recesses in fluid communication with one of the exterior surfaces.
REFERENCES:
patent: 6137562 (2000-10-01), Masuyuki et al.
patent: 7019819 (2006-03-01), Choi et al.
patent: 2003/0092261 (2003-05-01), Kondo
Babbs Daniel A.
Bailey Hillman L.
Choi Byung-Jin
Meissl Mario J.
Schumaker Norman E.
Carter Michael D.
Fish & Richardson P.C.
Kim Peter B.
Molecular Imprints, Inc.
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