6-12 Inch Demo Silicon Wafer、Lab Grade Educational Wafer、Semiconductor Teaching Wafer. (6" Yellow 4AD1)

Semiconductor wafers, 6-12 inch CMOS IC Chips, Integrated Circuits, CPU Manufacturing, Photolithography substrates; exhibits, Art, and Teaching. (6\" Sky Blue N1)

CO2 Laser Silicone Reflector Mirror, Dielectric-Coated High-Reflection Optics for Engraving & Cutting Machines, Fast Heat Dissipation Laser Path Accessory (直径25mm)