Exhibit 31.3
AMTECH SYSTEMS, INC. AND ITS SUBSIDIARIES
CERTIFICATION PURSUANT TO RULE 13a-14(a)/15d-14(a)
OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED
I, Fokko Pentinga, certify that:
1. | I have reviewed this amendment No. 1 to the Annual Report on Form 10-K of Amtech Systems, Inc. (the “registrant”); |
2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; |
By | /s/ Fokko Pentinga | ||
Fokko Pentinga | |||
Chief Executive Officer | |||
Amtech Systems, Inc. | |||
Date: | January 26, 2018 |