Aluminum Nitride Electrostatic Chuck

Quantity:
Contact Now
add to cart
Aluminum Nitride Electrostatic Chuck
Semicorex Aluminum Nitride Electrostatic Chuck leverages electrostatic forces for secure and uniform wafer holding to improve process yields.
The Aluminum Nitride Electrostatic Chuck utilizes a DC voltage applied across an insulating dielectric layer to generate attractive electrostatic clamping in wafer handling. AlN ceramic' s unique properties enable precise control and optimization of these forces:
 

 
 
Dimension(LxW)Customized
Thickness
Thermal Conductivity170W/m.K
Dielectric Constant8-9 (MHz)
Bulk Density3.3 g/cm³
Surface RoughnessRa< 0.6 μm on both sides
 
                                            Propeties of AlN ceramic
 
 
 
  • 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.

AlN ceramic ESC structure, aln ceramic,wafer handling,electrostatic clamp

ESC Structure