Patent ID: 9254641
Filing Date: 2016-02-09
CPC Classification: B41F,B41P

Claim Text:
1. A screen printer, comprising a stencil having a plurality of apertures; a paste dispenser arranged to dispense a paste material through the plurality of apertures of the stencil to form a print pattern of the paste material on an electronic device; an image capturing device arranged to capture at least one image of the plurality of apertures of the stencil; a processor operative to select which of the apertures of the stencil require cleaning based on the at least one captured image; and a cleaning device arranged to clean the selected apertures, wherein the cleaning device includes an air jet module arranged to discharge jets of air for cleaning the selected apertures, and wherein the air jet module includes at least one air nozzle, and a resiliently biased cap supported by the at least one air nozzle which is movable relative to the air nozzle.