By SAMCO Inc.
Samco has provided process solutions to major industry-leading SAW/BAW filter manufacturers. Photoresist Patterning on Piezoelectric Substrate Electrode Formation (Metal Etching) Photoresist Removal Piezoelectric Substrate Trimming by Dry Etching Passivation Film Deposition Contact Hole Formation by Dry Etching Surface Cleaning before Wire Bonding
