US Patent 8133341 Molecular transfer printing using block copolymers
Patent 8133341 was granted and assigned to Wisconsin Alumni Research Foundation on March, 2012 by the United States Patent and Trademark Office.
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Methods of creating and transferring chemical patterns and physical patterns of deposited materials or molecules using block copolymers are provided. The methods involve providing block copolymer materials blended with one or more transfer molecules or inks. The differences in chemistry of the blocks of the copolymer that result in micro-phase separation (e.g., self-assembly into nanoscale domains) also allow inks to be sequestered into specific blocks. By designing the ink molecules to react, adsorb, or otherwise interact with a second substrate, inks are transferred to the second substrate in a pattern dictated by the pattern of block copolymer domains present at the surface of the block copolymer film.
US Patent 08133341 Molecular transfer printing using block copolymers US Patent 8133341 Molecular transfer printing using block copolymers
US Patent 08133341 Molecular transfer printing using block copolymers
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