Researchers in Germany wrote a paper on how a miniaturized sensor for dissolved oxygen was fabricated in silicon thin film technology. In this paper, they cited Master Bond as follows. “Finally, the chip and the bond wires were encapsulated with a two component epoxy resin EP21.”1
1 Wittkampf, M. Chemnitius, G.C. Cammann, K. Rospert, M. Mokwa, W. Institut fu¨r Chemo- und Biosensorik, Mu¨nster, Germany and Fraunhofer-Institut fu¨r Mikroelektronische Schaltungen und Systeme, Duisburg, Germany. "Silicon thin film sensor for measurement of dissolved oxygen." April 1997.