WebApr 3, 2013 · Mounting Surface is the Chuck Surface; Local flatness specification is designed to limit the max. slope error. Thus, it should not impact the P37-1102 requirements Comments-Infineon • The wording of 6.3.1 does not seem to be correct. – Section 6.3.1. The word “must” changed to “must meet.” WebMA6500 Specification. Function. Replace IQC Visual Inspection on Surface Defects (Including particles, scratches, etc.) Auto-storing Wafer Surface Defects Image and Position Coordinate Records. Wafer. Compatible with 8-inch and 12-inch Wafer. Wafer Thickness:300um ~ 2000um. Wafer Handling. Support Automatic Opening Function for …
Exposure tool chuck flatness study and effects on …
WebVarious chuck types used for wafer processing e.g. Dicing, include Electrostatic, Magnetic, Vacuum, and Thermal chucks. ARC will design a wafer chuck to a customer’s unique … WebThe flatness external adjustment device group 220 for the chuck is composed of a flatness external adjustment device for a plurality of chucks that are evenly disposed and positioned at the... portland deck builder contractor
External chuck flatness adjustor and prober including same
Web2. Even though all Walker chucks are precision ground for flatness and parallelism, check the mounting surface of the chuck for flatness. Remove any imperfections that may … WebApr 1, 2006 · Preliminary analysis indicates that a chuck flatness of about 50nm within the quality area of the mask can be realized with an optimized optics manufacturing technology. Yet, there are... WebTesting for flatness Take 5 small, identical pieces of steel and grind them flat and to the same thickness. Then place them in the four corners of the chuck, as well as in the center. Carefully grind both sides and check them on the surface plate with a dial indicator. Be sure to mark the pieces so you know where they were on the chuck. opticaset inc