PORTLAND, Ore.--(BUSINESS WIRE)--Electro Scientific Industries, Inc. (Nasdaq: ESIO), an innovator in laser-based manufacturing solutions for the microtechnology industry, today announced a corporate restructuring that will streamline its manufacturing and development operations. The restructuring will result in the closure of the assembly plant and development center located in Chelmsford, Massachusetts, and overall staff reductions of approximately 45 employees. Products currently developed an