EX-23.1 4 ex-231consentofindependent.htm EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - D&T Exhibit


EXHIBIT 23 .1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-213856, 333-213857, 333-55060, 333-67356, 333-88411, 333-122660, 333-122661, 333-137878, 333-137879, 333-146107, 333-151804, 333-155978, 333-162876 and 333-199166 on Form S-8 of our reports dated June 14, 2017, relating to (1) the 2017 and 2016 financial statements and the retrospective adjustments to the 2015 financial statement disclosures of Electro Scientific Industries, Inc. (which report expresses an unqualified opinion and includes an explanatory paragraph relating to our audit of the retrospective adjustments to the 2015 financial statement disclosures for the effect of a change in reportable segments), and (2) the effectiveness of Electro Scientific Industries, Inc.’s internal control over financial reporting as of April 1, 2017, appearing in this Annual Report on Form 10-K of Electro Scientific Industries, Inc. for the year ended April 1, 2017.

 
/s/ Deloitte & Touche LLP
 
Portland, Oregon
June 14, 2017