PORTLAND, Ore.--(BUSINESS WIRE)--Electro Scientific Industries, Inc. (NASDAQ:ESIO), an innovator of laser-based manufacturing solutions for the microtechnology industry, today announced results for its fiscal 2015 fourth quarter ended March 28, 2015. Financial measures are provided on both a GAAP and non-GAAP basis, which excludes the impact of purchase accounting, equity compensation, restructuring charges, asset write-offs, and other items. Revenue in the fourth quarter was $37.6 million, com