[ noun ] a planographic printing process using plates made from a photographic image <noun.communication>
Photolithography \Pho`to*li*thog"ra*phy\, n. The art or process of producing photolithographs.
Ultratech Stepper, which makes photolithography equipment for semiconductors, accounted for about $40 million of General Signal's sales of $1.92 billion in 1989.
As computer chips become more complex and more circuits are packed onto the silicon wafers, the traditional method of making them _ using photolithography techniques with visible light to etch the electronic circuits _ is no longer practical, Phelps said.