Tel: (800) 404-0204 www.ironwoodelectronics.com Epoxy Mount Socket Assembly Figure 1: Exploded view epoxy socket assembly 1|Page EPM.doc, Rev.B, VP, 6/12/2012 Tel: (800) 404-0204 www.ironwoodelectronics.com 1. Insert alignment plate onto dowel pins in the socket base. 2. Flip the socket base together with the alignment plate over. 3. Apply pin-head amount of no-run super glue on all four corners of the socket base. We at Ironwood use Quick gel® by Duro. Tip: put some of the super glue on the clean piece of paper. Then use a pin or a needle to apply the super glue to the four corners of the socket base. 4. Flip the socket base with the alignment piece over and use corner holes on the alignment piece to align the socket base with the target board pads using microscope. Figure 2: Top view of alignment plate 5. When the holes of the alignment plate are aligned with the target pads, place the socket base onto the target board. Let the super glue dry for about 5 minutes. 2|Page EPM.doc, Rev.B, VP, 6/12/2012 Tel: (800) 404-0204 www.ironwoodelectronics.com Top View Alignment Plate Figure 3: Top view of socket base with alignment plate for BGA and QFN sockets 6. Then run a bead of epoxy around the socket base in one or multiple passes. Important: Make sure epoxy completely fills the groves. At Ironwood we use 3M DP-420 Black (20 min work life). Other equivalent epoxies can be substituted. Cure as directed by the epoxy manufacturer. We cure for minimum 24 hours at room temperature. 3|Page EPM.doc, Rev.B, VP, 6/12/2012 Tel: (800) 404-0204 www.ironwoodelectronics.com Figure 4: Incorrect way of applying epoxy 1. After epoxy cures, remove the alignment plate. 2. Place elastomer inside the socket base cavity (direction and orientation are critical). 3. Place IC package and compression plate into the socket base cavity. 4. Assemble socket lid onto socket base with socket lid screws. 5. Assemble compression screw into socket lid and apply recommended torque, preferably using the torque driver tool. 4|Page EPM.doc, Rev.B, VP, 6/12/2012