Liquid Photoimageable (LPI) refers to liquid photoimageable solder mask. printed onto rigid boards and rigid-flex PCB, while sometimes printed at narrow adjacent SMD pads when requiring “ganged” coverlay openings onto flexible circuit.
Liquid Photoimageable (LPI) refers to liquid photoimageable solder mask. printed onto rigid boards and rigid-flex PCB, while sometimes printed at narrow adjacent SMD pads when requiring “ganged” coverlay openings onto flexible circuit.