Patent ID: 6302960
Filing Date: 2001-10-16
Classification: B05C,Y10S

Abstract:
A photoresist coater, comprising:a rotatable chuck to support a substrate;a source of photoresist;a pivotable dispensing arm extendable over the chuck and movable between a first position in which an end of the dispensing arm is located substantially adjacent a center portion of the substrate and a second position in which the end of dispensing arm is located substantially adjacent an edge portion of the substrate; anda dispensing head at the end of the dispensing arm and coupled to the photoresist source, the dispensing head including an outlet passageway, a nozzle located in the outlet passageway, the nozzle including a nozzle body having a passage therethrough and a nozzle head located at the end of the nozzle body passage, the nozzle head having a substantially circular aperture between about 100 and 300 microns in diameter such that photoresist directed therethrough is directed onto the substrate.