Capillary imprinting technique

Details Capillary imprinting technique Capillary imprinting technique

2011-03-22

2011-03-22

Tentoni, Leo B (Department: 1742)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

Reexamination Certificate

active

07910042

ABSTRACT:
The present invention provides a method for patterning a substrate with a template having a mold that features positioning conformable material between the substrate and the mold and filling a volume defined between the mold and the substrate with the conformable material through capillary action between the conformable material and one of the mold and the substrate. Thereafter, the conformable material is solidified. Specifically, the distance between the mold and the substrate is controlled to a sufficient degree to attenuate, if not avoid, compressive forces between the mold and the substrate. As a result, upon initial contact of the mold with the conformable material, spontaneous capillary filling of the volume between the mold and the substrate occurs.

REFERENCES:
patent: 7442336 (2008-10-01), Choi et al.
patent: 7708926 (2010-05-01), Choi et al.

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