Charge Control Technology

Charge Control using 90% Transparent Nickel Metal Mesh-Screen ~1 mm above Surface

 

 

 

Charge Control using Low Voltage Electron Flood Gun, Only

 

 

 

 

Benefit of using Charge-Control Mesh-Screen 0.5-1.0 mm above Surface of Sample

 

 

 

 

PHI’s Dual Beam Charge Neutralization Method