Method of identifying and/or programming an integrated circuit
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United States of America Patent
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Nov 18, 2014
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app pub date -
Sep 27, 2006
filing date -
Sep 27, 2006
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Abstract
A chip and a method of fabricating the chip for low cost chip identification circuitry. In one embodiment, a method of manufacturing an integrated circuit includes formation of a multi-level metallization structure including a pad level comprising programming pads. A plurality of active devices are formed on a substrate, and multiple levels of metallization are formed over the active devices, connecting some of the active devices to form programmable circuitry. The programmable circuitry is connected to pairs of programming pads on the bond pad level. Programming pads in some of the pairs are selectively connected to one another by using conductive ink deposited with maskless inkjet printing techniques. The pads are then covered with a non-conductive protective layer.
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