Emerald Group Publishing Limited
Copyright © 2000, MCB UP Limited
MRSI introduces advanced technology for eutectic die attach
Keywords MRSI, Dies, Eutectic solder
MRSI has introduced the latest technology for eutectic die attach with the MRSI-505 Assembly Work Cell (Plate 1). This flexible system supports direct gold/silicon eutectic and eutectic reflow using gold/tin and gold/germanium preforms. The system uses programmable closed loop temperature control, programmable up to 450°C, for eutectic bonding.
Plate 1 MRSI-505 System
For the process of direct gold silicon eutectic die attach, the MRSI-505 places the die with an inverted pyramid collet and simultaneously scrubs (variable amplitude and frequency) to accomplish eutectic reflow. A heated cover gas of H2 N2 mixture is blanketed over the hot plate.
For gold tin or gold germanium reflow, the system first places a preform onto the package. The die is then scrubbed (variable amplitude and frequency) to accomplish the eutectic reflow. A heated gas cover of H2 N2 mixture is blanketed over the hot plate. The MRSI-505 is the industry leader for ultra precision die placement for epoxy die attach. For more information, contact MRSI at 25 Industrial Avenue, Chelmsford, Massachusetts 01824, USA. Tel: (978) 256-4950, Fax: (978) 256-5120; E-mail: sales@MRSIgroup.com