A cathode conductive strip can be attached to a semiconductor radiation sensor by using a double sided dual adhesive electrically conductive tape in a sensor assembly or a detector module to provide reliable electrical connection between the semiconductor radiation sensor and the cathode conductive strip. The double sided dual adhesive electrically conductive tape includes an electrically conductive backing with two different adhesion strength adhesives on both sides. The high adhesion strength side is bonded to the cathode electrode of the semiconductor radiation sensor. The lower adhesion strength side is bonded to the conductive face of the cathode conductive strip.