I am in a situation that blind vias may be required to allow a PCB to route. The questions are (1) how do blind vias function in a high temperature system (ambient 65 deg. C +), and (2) Are they reliable for higher current circuits , ~4 to 7 Amps. TIA for any input. Jeffrey A. McGlaughlin, C.I.D. Sr. PCB Designer Battelle Memorial Institute Columbus Ohio [log in to unmask]