| 主权项 |
1. A dispensing apparatus comprising:
a frame including a gantry configured to provide movement in X axis and Y axis directions, the gantry including a first side rail, a second side rail and a beam that extends between the first side rail and the second side rail, the beam being configured to move in the Y axis direction along the first and second side rails to achieve Y axis movement, the gantry further including a carriage mounted on the beam, the carriage being configured to move along the length of the beam in the X axis direction; a support coupled to the frame, the support being configured to support at least one electronic substrate under the gantry; a first dispenser coupled to the carriage, the first dispenser being configured to dispense material; a second dispenser coupled to the carriage by an automatic adjustment mechanism, the second dispenser being configured to dispense material; an imager coupled to one of the frame and the gantry, the imager being configured to capture at least one image of a first pattern and a second pattern, the second pattern being substantially identical to the first pattern; and a controller configured to control the operation of the carriage, the first dispenser, the second dispenser, the automatic adjustment mechanism, and the imager, wherein the automatic adjustment mechanism is configured to move the second dispenser in the X axis and Y axis directions to manipulate and adjust a spacing between the first dispenser and the second dispenser during a dispensing operation in which the first dispenser and the second dispenser dispense material on a substrate, and wherein the automatic adjustment mechanism includes a linear bearing secured to the carriage, a mounting block configured to ride along the linear bearing, coupled to the second dispenser, and a first linear drive motor assembly configured to move the mounting block along the linear bearing. |
