C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 3/093 (2006.01) B81C 1/00 (2006.01) C03C 8/12 (2006.01)
Patent
CA 2706942
A zirconium- and alumina-containing silicate glass suitable for use as a frit with refractory materials such as alumina is disclosed, the silicate glass comprising a glass composition in mole percent (mol %) of: 2< B2O3 < 7 mol % 75 < SiO2 < 80 mol % 3< Al2O3 < 5 mol % 2< ZrO2 < 5 mol % 9< Na2O + K2O < 15 mol % 0< alkali earth + lanthanide < 15 mol % and wherein the total mole percent of SiO2, A1O3 and ZrO2 together is greater than 82 but less than 86, and wherein the total mole percent of B2O3, Na2O, K2O, alkali earths and lanthanides together is greater than 13 and less than 18. Frits (200,600), composites (600) and micro fluidic devices (12) comprising the glass are also disclosed.
L'invention concerne un verre de silice contenant du zirconium et de l'alumine destiné à être utilisé comme fritte avec des matériaux réfractaires tels que l'alumine, le verre de silice présentant la composition de verre suivante, en pourcentage molaire (% mol) : 2 < B2O3 < 7 % mol, 75 < SiO2 < 80 % mol, 3 < A12O3 < 5 % mol, 2 < ZrO2 < 5 % mol, 9 < Na2O + K2O < 15 % mol, 0 < alcalino-terreux + lanthanide < 15 % mol et le pourcentage molaire total de SiO2, A1O3 et ZrO2 réunis étant supérieur à 82 mais inférieur à 86, et le pourcentage molaire total de B2O3, Na2O, K2O, des alcalino-terreux et des lanthanides réunis étant supérieur à 13 et inférieur à 18. L'invention concerne également des frittes (200,600), des composites (600) et des dispositifs microfluidiques (12) comprenant le verre.
Corning Incorporated
Gowling Lafleur Henderson Llp
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