Attached files

file filename
EX-31.2 - EX-31.2 - MKS INSTRUMENTS INCd60398dex312.htm
EX-18.1 - EX-18.1 - MKS INSTRUMENTS INCd60398dex181.htm
EX-10.10 - EX-10.10 - MKS INSTRUMENTS INCd60398dex1010.htm
EX-21.1 - EX-21.1 - MKS INSTRUMENTS INCd60398dex211.htm
10-K - FORM 10-K - MKS INSTRUMENTS INCd60398d10k.htm
EX-31.1 - EX-31.1 - MKS INSTRUMENTS INCd60398dex311.htm
EX-32.1 - EX-32.1 - MKS INSTRUMENTS INCd60398dex321.htm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-78069, 333-78071, 333-78073, 333-31224, 333-54486, 333-54488, 333-54490, 333-90498, 333-90500, 333-90502, 333-116385, 333-116387, 333-116389, 333-127221, 333-161211, and 333-195750) and Form S-3 (Nos. 333-34450 and 333-109753) of MKS Instruments, Inc. of our report dated February 26, 2016 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts

February 26, 2016