PORTLAND, Ore.--(BUSINESS WIRE)--Electro Scientific Industries, Inc. (NASDAQ:ESIO), an innovator in laser-based manufacturing solutions for the micro-machining industry, today announced that PFC Flexible Circuits Limited has selected the Model 5335 Laser Processing System to expand its high density interconnect (HDI) flexible circuit manufacturing capabilities. Based in Scarborough, Ont., Canada, PFC is a North American leader in flexible circuit design, manufacture and assembly. “PFC has been