Xerox says it has developed a new form of silver ink that aligns its molecules to conduct electricity more efficiently. The breakthrough enables electronics to be produced on a wider range of materials and at lower costs because a clean room would no longer be needed to print circuitry on new materials. “We will be able to print circuits in almost any size from smaller custom circuits to larger formats such as wider rolls of plastic sheets, unheard of in today’s silicon-wafer industry,” says the Xerox Research Center of Canada’s Hadi Mahabadi. Printing circuitry on materials such as plastics was impossible because traditional metallic inks typically require a temperature of more than 800 degrees centigrade. However, the new ink is liquid at about 140 degrees. “We have found the silver bullet that could make things such as electronic clothing and inexpensive games a reality today,” says Xerox’s Paul Smith.
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