Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Reexamination Certificate
2007-11-26
2010-12-28
Berman, Susan W (Department: 1765)
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
C427S533000, C427S535000, C427S539000, C522S109000, C522S110000, C522S079000, C430S281100
Reexamination Certificate
active
07858156
ABSTRACT:
A method for generating spontaneously aligned surface wrinkles utilizes control of local moduli-mismatch and osmotic pressure. The method includes modifying the surface of an elastomeric layer to form a superlayer that is stiffer and/or less absorbent than the elastomeric layer. The elastomeric layer is then swollen with a polymerizable monomer, which causes buckling of the superlayer. The monomer is then polymerized, dimensionally stabilizing the surface buckling. The budded surfaces generated by the method are useful in a wide variety of end-use applications, including microlenses, microlens arrays, compound microlenses, diffraction gratings, photonic crystals, smart adhesives, mechanical strain sensors, microfluidic devices, and cell culture surfaces.
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H. Hillborg, N. Tomczak, A. Olah, H. Schonherr
Chan Edwin P.
Crosby Alfred J.
Berman Susan W
Cantor & Colburn LLP
The University of Massachusetts
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