Patent ID: 7595083

Claim:
A method for aligning a dispenser, comprising: providing a table having a first alignment mark on which a substrate is loaded; attaching an alignment plate along at least one side of the table; dispensing sealant on the alignment plate using a first syringe to form a second alignment mark on the alignment plate; detecting the image of the second alignment mark in a first display unit using a first image camera; moving the table along at least one of X- and Y-directions to align the image of the second alignment mark with a first reference position using the first display unit; detecting the image of the first alignment mark in a second display unit using a second image camera, the image of the first alignment mark is detected to the second image camera through the substrate; moving the second image camera along at least one of X- and Y-directions to align the image of the first alignment mark with a second reference position using the second display unit; and forming a seal pattern on the substrate using at least one second syringe, wherein the alignment plate is disposed at the side of the substrate on the table and a surface of the alignment plate is coplanar to a surface of the substrate.