... pcb manufacturer ,our products include blank pcb, single sided pcb,double sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 pcb,fr1 pcb,cem1 pcb,cem3 pcb,aluminum pcb,etc ... Cutting Max. number of layers8Min. thickness for inner layers (Cu thickness are excluded)0.003”(0.07mm)Drilling ... inspect delamination, etc) 7.Tape Test (adhesion test) 8.Peel Test (conductor peel strength) 9.Impedance Test 10. ...