Our polystyrene latex beads, PSL Spheres, are micro-spheres produced from 20 nanometers to 1000 microns, typically in a 15 mm bottle, 1% or less in De-Ionized water solution. Our Micro-spheres are known worldwide for size accuracy and narrow size distribution for a...

Engineered to the highest specifications, our silica Contamination Wafer Standards and particle wafer standards are deposited on Ultraclean silica wafers and are essential for maintaining size and calibration accuracy of Wafer Inspection Systems used in Semiconductor...