FILE PHOTO: The logo of Aixtron SE is pictured on the roof of the German chip equipment maker’s headquarters in Herzogenrath near the western German city of Aachen, October 25, 2016. REUTERS/Wolfgang Rattay/File photo
FILE PHOTO: The logo of Aixtron SE is pictured on the roof of the German chip equipment maker’s headquarters in Herzogenrath near the western German city of Aachen, October 25, 2016. REUTERS/Wolfgang Rattay/File photo