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Glass compositions useful for passivating silicon semiconductor elements or bodies and to semiconductor elements or bodies coated by such glass compositions. The glass compositions are applied onto the surface of the semiconductor in the form of a finely ground powder and thereafter fused on at leas

Glass compositions useful for passivating silicon semiconductor elements or bodies and to semiconductor elements or bodies coated by such glass compositions. The glass compositions are applied onto the surface of the semiconductor in the form of a finely ground powder and thereafter fused on at least a portion of the semiconductor element. The compositions comprise: (A) glass and (B) powdered cordierite in an amount effective to provide a coefficient of thermal expansion of up to 40 ×10-7/°C for said composition within the temperature range of 20°-300°C. The compositions are compatible with the thermal expansion of the silicon semiconductor and capable of adhering to the silicon in layers greater than 10 m

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Glass compositions useful for passivating silicon semiconductor elements which are applied on the surface of said semiconductor in the form of a finely ground powder and thereafter fused on at least a portion of said semiconductor element without any gap, said composition comprising: (A) glass capab

Glass compositions useful for passivating silicon semiconductor elements which are applied on the surface of said semiconductor in the form of a finely ground powder and thereafter fused on at least a portion of said semiconductor element without any gap, said composition comprising: (A) glass capable of passivating semiconductor surfaces, in combination with (B) powdered cordierite in an amount effective to provide a coefficient of thermal expansion of up to 40 ×10-7/°C. for said composition comprising (A) and (B) within the temperature range of 20°-300°C., whereby said compositions are compatible with the thermal expansion of said silicon semiconductor and capable of adhering to the silicon in layers of greater than 10 m