Providing service to users of equipment such as Electron Microscopes, Steppers, Scanners, Lasers or any other equipment with Vibration, Magnetic field or acoustic sensitivities.

AC EMI may manifest itself as horizontal distortion
on some SEM's and vertical distortion on others. 

60Hz EMI
 

DC EMI, Passing Train
Cancellation ON 

DC EMI Passing Train
Cancellation OFF