Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to evacuate mold or provide controlled environment
Reexamination Certificate
2006-08-17
2010-02-23
Johnson, Christina (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to evacuate mold or provide controlled environment
C425S542000, C425S127000, C425S129100, C425S405100, C425S808000, C425SDIG060, C249S117000, C249S141000, C264S259000
Reexamination Certificate
active
07665983
ABSTRACT:
A microcontact printing tool having a print unit including a stamp head with a stamp and a wafer chuck for retaining a substrate. The stamp contained by the stamped head movable relative to the substrate by an actuator and a stage. A plurality of sensors detect the position of the stamp relative to substrate. A method of using the printing tool that includes a real-time feedback for consistent and accurate application of force during the printing of the substrate. The stamp head includes a pressure chamber carrying the stamp. The stamp backing is deflected prior to contact of the stamp with the substrate to form a minimum point and the stamp backing and the stamp is returned to a plane to create a printing propagation contact. An apparatus has a master backing and a stamping backing in close proximity and the stamp material drawn in through a vacuum. The stamp is separated from the master by use of a parting fluid.
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Kendale Amar Maruti
Trumper David L.
Johnson Christina
Khare Atul
Massachusetts Institute of Technology
Nieves Peter A.
Sheehan Phiney Bass & Green P.A.
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