Aluminum Nitride Electrostatic Chuck
| Dimension(LxW) | Customized |
| Thickness | |
| Thermal Conductivity | 170W/m.K |
| Dielectric Constant | 8-9 (MHz) |
| Bulk Density | 3.3 g/cm³ |
| Surface Roughness | Ra< 0.6 μm on both sides |
UniformElectrostaticClamping: The flat, smooth surface of the Aluminum Nitride Electrostatic Chuck, combined with the controlled electrostatic force, ensures uniform electrostatic clampinginwafer handling. AlN ceramic' s uniformity is crucial for achieving consistent process results, particularly in lithography, etching, and thin-film deposition processes where even minute variations in wafer planarity can impact device performance.
Particle Control and Cleanliness: The Aluminum Nitride Electrostatic Chuck minimizes particle generation compared to mechanical clamping methods, contributing to a cleaner processing environment. Additionally, the non-contact nature of electrostatic clamping eliminates the risk of scratches or mechanical damage in wafer handling.
High-Temperature Resistance of AlN ceramic: AlN ceramic' s high thermal conductivity and low thermal expansion allow for stable chuck operation at elevated temperatures required for various semiconductor processes. AlN ceramic' s thermal stability ensures consistent electrostatic clamping force to hold wafer and minimizes wafer stress during high-temperature processing.
Applications in Wafer Handling Across Advanced Manufacturing:
The Aluminum Nitride Electrostatic Chuck has become indispensable in a variety of high-precision manufacturing processes:
Semiconductor Wafer Processing: The Aluminum Nitride Electrostatic Chuck and AlN ceramic are widely used in lithography, etching, deposition, and other critical processes where precise wafer handling and temperature control are paramount.
Flat Panel Display Manufacturing: The Aluminum Nitride Electrostatic Chuck featuring electrostatic clamping is essential for handling large glass substrates during deposition and patterning processes, ensuring uniformity and minimizing defects in wafer handling.
LED and Solar Cell Production: The Aluminum Nitride Electrostatic Chuck enables precise wafer handling of delicate substrates thourgh electrostatic clamping and during thin-film deposition and other critical manufacturing steps.

ESC Structure