Exhibit 32.1
 
AMTECH SYSTEMS, INC. AND ITS SUBSIDIARIES
 
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
 
In connection with the Annual Report of Amtech Systems, Inc. (the “Company”) on Form 10-K for the period ended September 30, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Fokko Pentinga, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:
 
(1)
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)
The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.
 
By 
 /s/ Fokko Pentinga
 
 
Fokko Pentinga
 
 
Chief Executive Officer
 
 
Date:
November 30, 2016