Facsimile and static presentation processing – Static presentation processing – Flying dot
Reexamination Certificate
2006-08-08
2006-08-08
Pokrzywa, Joseph R. (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Flying dot
C358S001170, C358S001400
Reexamination Certificate
active
07088468
ABSTRACT:
The invention relates to microlithography, in particular to the writing of photomasks for computer displays, microelectronic devices, and precision photoetching. It is also applicable to wafers, optical devices and a variety of electronic interconnection structures such as multichip modules. Other applications are possible, such as printing and graphics, as well as laser projection displays. In the present invention the data conversion is divided in two steps: first cutting the geometries in scan lines and simplifying them, and then finishing the conversion of the scan lines at the point of demand, i.e. in a beam processor in the driving electronics for each beam. The idea is to make as much as possible of the conversion at the latest possible point, i.e. at the beams. What is needed at an earlier stage is to separate the data for different beams and distribute them, and to simplify the data enough to make sure that the beam processors can always handle the data flow.
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Proceedings of SPIE vol. 3997 (2000), Emerging Lithographic Technologies IV, “Lossless Layout Compression for Maskless Lithography Systems,” Vito Dai et al.
Proceedings of SPIE vol. 4688 (2002), Emerging Lithographic Technologies IV, “Lossless Compression Techniques for Maskless Lithography Data,” Vito Dai et al.
Harness & Dickey & Pierce P.L.C.
Micronic Laser Systems AB
Pokrzywa Joseph R.
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