Patent ID: 7548798
Filing Date: 2009-06-16
Classification: B05C,G05B

Abstract:
1. A paste dispenser for dispensing a paste onto a substrate, comprising: a stage for receiving a substrate; a nozzle unit mounted over the stage, wherein the nozzle unit comprises first and second nozzle units, and wherein both the first and second nozzle units are configured to dispense paste onto a substrate on the stage as one of the nozzle unit and the stage are moved relative to the other, and wherein at least one of the first and second nozzle units is movable relative to the other; a controller that is configured to control movements of at least one of the first and second nozzle units; and a measuring unit that is fixed relative to the stage, wherein the measuring unit is configured to determine positions of the first and second nozzle units, and wherein the controller is configured to cause one of the first and second nozzle units to move relative to the other based on the determined positions of the first and second nozzle units.