Patent ID: 6589382
Filing Date: 2003-07-08
Classification: C23C,G03F,H01L,Y10T

Abstract:
An alignment device for permitting a deposition mask having a plurality of mask segments to be positioned relative to a substrate to facilitate simultaneous deposition of organic material on to the substrate which will be part of an organic light emitting device, comprising:(a) a base having a first set of alignment pins and a second set of alignment pins; (b) a plate secured to the base; (c) a frame having an opening aligned with the plate, the frame being formed with a first set of alignment pin receiving holes corresponding to the position of the first set of pins so that the frame is removably mounted to the base; (d) a plurality of mask segments positioned on the plate to define the deposition mask; (e) a transparent flat plate contacting the second set of alignment pins and the deposition mask and being sized to expose segments of the deposition mask; (f) means for securing the mask segments to each other; and (g) means for securing the deposition mask to the frame.