A method for forming a semiconductor on insulator structure includes providing a glass substrate, providing a semiconductor wafer, and performing a bonding cut process on the semiconductor wafer and the glass substrate to provide a thin semiconductor layer bonded to the glass substrate. The thin semiconductor layer is formed to a thickness such that it does not yield due to temperature-induced strain at device processing temperatures. An ultra-thin silicon layer bonded to a glass substrate, selected from a group consisting of a fused silica substrate, a fused quartz substrate, and a borosilicate glass substrate, provides a silicon on insulator wafer in which circuitry for electronic devices is fabricated.

 
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> Crystalline or amorphous medium-K gate oxides, Y.sub.20.sub.3 and Gd.sub.20.sub.3

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