Laser based interferometer for measuring deviations from flatness of two surfaces

Precision machine tools, namely, hard metal tools, poly crystalline diamond (PCD) tools, for use in the cutting and forming of materials by others, in particular in the fields of road grinding and floor polishing; Polycrystalline diamond compact (PDC) drill bits for grinding and polishing machines; Abrasive devices, namely, diamond power saw blades and power sawing equipment being parts of machines in the nature of high speed blades, saws, and cutters; Machine parts in the nature of machine p...

Chemicals for use in the manufacture of semiconductor devices, printed wiring boards and display panels; Chemical polishing slurry for use in the manufacture of semiconductor wafers; Unprocessed synthetic resins for use in the manufacture of electronic components; Photo resists, dry film resists, solder resists and other chemical resists, for use in the manufacture of electronic components

NON-CONTACT SUBSTRATE SURFACE DIMENSION MEASUREMENT HARDWARE AND ASSOCIATED DATA ANALYSIS SOFTWARE FOR PROCESSING SUBSTRATE DATA, PARTICULARLY SEMICONDUCTOR WAFER DATA, AND FOR CLASSIFYING WAFERS BASED ON THEIR DIMENSIONAL DATA

NON-CONTACT SUBSTRATE SURFACE GAUGE AND COMPUTER SOFTWARE OPERATIVE THEREWITH FOR SUBSTRATE SURFACE PROFILING IN THE SEMICONDUCTOR INDUSTRY