 POWAY, Calif.--BUSINESS WIRE--Cohu, Inc. NASDAQ: COHU, a global leader in back-end semiconductor equipment and services, today announced that it has entered into a definitive agreement with Mycronic AB MYCR.ST Mycronic, a Swedish high-tech company engaged in the development, manufacture and marketing of production equipment, under which Mycronic will acquire atg Luther Maelzer GmbH and other affiliated entities and assets related to Cohus Printed Circuit Board Test Group PTG 