Web Date: April 11, 2012
Block Copolymer Helps Lithography Get Smaller
A new polymer combination could help electronics manufacturers build nanoscale stamps for speedy computer chips and high-capacity hard drives. The material self-assembles into some of the smallest structures known for such polymers (ACS Nano, DOI: 10.1021/nn300459r).
To produce computer chips, manufacturers use lasers to etch patterns into polymer-covered silicon wafers, in a process known as photolithography. The smallest silicon features . . .
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