Description
Semigroup Part Number SG-1000-3004 Upgraded Style ESC for OEM Part Number 839-440462-308 / 839-440462-508
Semigroup’s New & Improved Design 200mm, ESC Thermal Sprayed, Coulombic. SG-1000-3004 is an upgraded style of “ESC” with newer Electrostatic Chucking Technology used for LED, GaN, Silicon, SiC, Sapphire, Glass Wafer, etc and can be employed in place of Lam Research OEM Part Number’s 839-440462-308 & 839-440462-508.
Product Information
Base Material Aluminum Anodized
Chuck Type Thermal Sprayed Coulombic ESC
Insulated Base Layer 99.95% Alumina
Electrode Proprietary Conductive Ceramic
Top Coat Thermal Sprayed 99.97 Purity
Overall Flatness <.0002 Inches
Voltage + / – 650 volts to 1800 volts
Clamp Time 2-3 Seconds
De Chuck Time 2-3 Seconds
Can Be Refurbished to Like New YES









