... etched or stamped,and then do silver plated on them. Main technologies: Photochemical etching, stamping, silver platedBase material:Kovar, nickel-iron alloys ... 04 inch with features as small as 0.10 mm on 0.254 mm centers, creating lead frames that are ... yet flexible enough to allow bending when necessary.Surface treatment: Silver, nickel, gold, or tin plated entirety or selectively. Applications ...