TEMPE, Ariz.--(BUSINESS WIRE)--Amtech Systems, Inc. ("Amtech") (NASDAQ: ASYS), a manufacturer of equipment and consumables enabling AI semiconductor device packaging and advanced substrate fabrication, today reported preliminary, unaudited financial results for the fiscal fourth quarter and full year ended September 30, 2025. Commenting on the preliminary financial results, Bob Daigle, Chief Executive Officer of Amtech, said, “We are pleased with our performance in the fourth quarter and the co.