Exhibit 32.2
 
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, 2010, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bradley C. Anderson, Vice President – Finance and Chief Financial 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/ Bradley C. Anderson  
  Bradley C. Anderson
  Vice President – Finance and Chief Financial Officer
  Amtech Systems, Inc.
  Date: November 15, 2010

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