Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Reexamination Certificate
2007-11-06
2007-11-06
Heitbrink, Tim (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to heat or cool
C425S548000
Reexamination Certificate
active
10541154
ABSTRACT:
A molding system for molding a micro pattern structure includes a mold; a mold insert6having a micro pattern, the mold insert6being fixed to the mold; and a micro heating element30having a micro heater32between the mold and the mold insert6, the micro heater32being formed in an integrated manner by using a MEMS process; wherein the amount of Joule's heat produced by the micro heater32is controlled by controlling the amount of electricity applied to the micro heater32so as to control a temperature of the mold insert6. A method for fabricating the mold insert6for molding the micro pattern structure, the mold insert6being heated by a micro heater32, includes the steps of: coating a photoresist on a back side of either the mold insert6or a plate40fixed onto the mold insert6; patterning the photoresist by removing a part of the photoresist corresponding to the micro heater32using a lithography process; coating a material for forming the micro heater32; and removing the residual photoresist.
REFERENCES:
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patent: 5176839 (1993-01-01), Kim
patent: 5569474 (1996-10-01), Kitaichi et al.
patent: 6276656 (2001-08-01), Baresich
patent: 7129322 (2006-10-01), Toyoshima et al.
Heitbrink Tim
Industry-Academic Cooperation Foundation - Yonsei University
Marger & Johnson & McCollom, P.C.
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