We have extensively used electroplated gold as an interconnect metal, for wirebonding without problems Shekhar > From: robert s okojie ee stnt> Subject: wire bonding > Date sent: Fri, 24 May 96 12:03:05 EDT > To: MEMS@ISI.EDU > Send reply to: mems@ISI.EDU > Dear members, > > I have been working on gold interconnects for low temperature applications. > However, at >600deg.C, the gold wire begins to diffuse into the top platinum > layer. > > The major effect of this is to reduce time of failure in terms of > device performance. > > Does anyone have a suggestion as to what binary metallization(top metal + > wire interconnect) scheme could be implemented without any evident > interfacial disturbance at 600deg.C. > > Your response to this and any relating information will be appreciated. > > > Thank you. > > Robert S. Okojie (Ph.D) > Kulite Semiconductor Products, Inc. > 1 Willow Tree Road > Leonia, NJ 07605 > (201)461-0900 > e-mail rso6948@hertz.njit.edu > > > Dept of Electrical Engineering, Royal Melbourne Institute of Technology, Australia Tel: +61 3 9660 1722 Fax: +61 3 9660 2007