Electric heating – Metal heating – Cutting or disintegrating
Reexamination Certificate
2006-07-31
2011-10-04
Evans, Geoffrey S (Department: 3742)
Electric heating
Metal heating
Cutting or disintegrating
C219S069170, C219S069200
Reexamination Certificate
active
08030591
ABSTRACT:
A cutting tool assembly using a machined tool operating in a plunge mode of electrical discharge machining to make microreplicated features in a work piece having a complex surface. The microreplicated features can be non-adjacent and can have any geometric configuration and micron-scaled dimensions, as determined by the microstructured features in the tool. The machined work piece can be used as a master tool in order to make microreplicated articles such as optical films, friction control films, plasma display panel molds, or micro-fasteners.
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Machine translation of Japan Patent document No. 2005-66,760, Jun. 5, 2009.
Machine translation of DE 19524221, Jan. 2011.
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Devore Charles N.
Trice Jennifer L.
3M Innovative Properties Company
Evans Geoffrey S
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