The wafer is placed on the disc on the right side of this image. This tray then slides under the mask. A joystick (far side of the aligner) is used to align the wafer and mask under microscopic observation.
(Photo by Dr. Aranyosi.)
The wafer is placed on the disc on the right side of this image. This tray then slides under the mask. A joystick (far side of the aligner) is used to align the wafer and mask under microscopic observation.
(Photo by Dr. Aranyosi.)