high flatness lithography glass scale for calibration

Model Number:Glass Ruler

Place of Origin:China

Brand Name:MEAXPERT

Glass Ruler High-precision direct-write lithography: Nano-level precision pattern processing, meeting the precise manufacturing requirements for high-density and high-resolution micro-nano structures. Uniform coating and chromium plating: Reducing the impact of surface geometric deviations on camera calibration. High flatness: Improving calibration accuracy and stability. Brand: MEAXPERT Process: Direct-write lithography Name: Glass scale

Model Number:QGS-9IN-WC

Place of Origin:China

...Calibration Quartz Glass Sheet with Ultra-High Flatness This 9-inch wafer calibration quartz glass sheet is a high-precision semiconductor equipment calibration standard. Engineered with ultra-high flatness and tight dimensional tolerance, it matches standard 9-inch wafer specifications for daily equipment verification in lithography...

Model Number:QSP-1

Brand Name:ShengFan

Place of Origin:jiangsu.China

99.99% High Purity Polished Quartz Wafer Substrate Flat Fused Silica Quartz Plate For Semiconductor CVD Lithography Process Product Specifications Shengfan Quartz Plate Characteristic Specification Brand shengfanquartz SiO₂ 99.99% Density 2.2 (g/cm³) ...