Rotating smoothly very thin/light ?Pancake Slip Ring in PCB? BTP060-0405-1402Pancake slip ring approach is used when length is at a premium but diameter is less restrictive. PCB type pan cake slip ring is far more thinner since it is free from housing!Parameters:Rotating smoothly very thin/light ?Pancake Slip Ring in PCB? Mechanical :Rotating smoothly very thin/light ?Pancake Slip Ring in PCB? Working speed100rpm=100rpmlink:http://www.btslipring.com/pcb-type-pancake-slip-ring