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New semiconductor hetero-substrates for high temperature applications using the Smart-Cut(R) technology

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8 Author(s)
Aspar, B. ; Dept. de Microtechnol., CEA, Centre d''Etudes Nucleaires de Grenoble, France ; Joly, J.-P. ; Jaussaud, Claude ; Di Cioccio, L.
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Use of thin monocrystalline semiconductor film transfer by Smart-Cut(R) technology is of great interest for new device technologies especially in the field of high temperature electronics. In this paper we give an overview of recent results on two kind of hetero-substrates obtained by this process: UNIBOND(R) SOI (Silicon On Insulator) substrates and substrates based on Silicon Carbide layer transfer. The latest progress on SOI wafer quality is highlighted. For SiC transfer, we describe the kinetics of SiC layer splitting, and the morphological and electrical characteristics of the SiC layers. We also show that SiC/Si3N4/polycrystalline SiC structures can be fabricated using Smart-Cut technology. Polycrystalline SiC and silicon nitride have been chosen to replace the silicon substrate and silicon dioxide layers to make the overall structure compatible with very high temperature device processing and very harsh device environments

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High Temperature Electronics, 1999. HITEN 99. The Third European Conference on

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