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    • 44. 发明授权
    • Devitrification-resistant chalcogenide glasses
    • 耐脱氮化硫族化物玻璃
    • US06756333B2
    • 2004-06-29
    • US10290738
    • 2002-11-08
    • Bruce G. Aitken
    • Bruce G. Aitken
    • C03C332
    • C03C3/321C03C4/10
    • The invention resides in a molecular, inorganic glass and a method of making the glass, the glass being vitreous and resistant to devitrification, that is composed, in substantial part at least, of thermally-stable, zero-dimensional clusters or molecules, composed of four atoms of arsenic and three atoms of sulfur, the glass further containing up to 12 atomic percent of germanium, adjoining clusters being bonded to each other primarily by van der Waals forces, and at least 95% of the glass composition consisting of 42-60% arsenic, 37-48% sulfur plus selenium, the selenium being 0-14%.
    • 本发明在于一种分子,无机玻璃和一种制造玻璃,玻璃是玻璃体并且耐失透的方法,其至少部分地由热稳定的零维簇或分子组成,其由 四个原子的砷和三个原子的硫,玻璃还含有最多12原子%的锗,相邻的簇主要通过范德华力彼此结合,并且至少95%的玻璃组合物由42-60 %砷,37-48%硫加硒,硒为0-14%。
    • 48. 再颁专利
    • Gallium sulfide glasses
    • 硫化镓玻璃
    • USRE36513E
    • 2000-01-18
    • US775706
    • 1996-12-17
    • Bruce G. AitkenMark A. Newhouse
    • Bruce G. AitkenMark A. Newhouse
    • G02B6/12C03C3/32C03C4/10C03C13/04C03C3/23
    • C03C3/323C03C13/043C03C13/044C03C3/321C03C4/10Y10S501/904Y10T428/2929
    • This invention is directed broadly to transparent glasses exhibiting excellent transmission far into the infrared region of the electromagnetic radiation spectrum, those glasses consisting essentially, expressed in terms of mole percent, of 40-80% Ga.sub.2 S.sub.3, 0-35% RS.sub.x, wherein R is at least one network forming cation selected from the group consisting of aluminum, antimony, arsenic, germanium, and indium, 1-50% Ln.sub.2 S.sub.3, wherein Ln is at least one cation selected from the group consisting of a rare earth metal cation and yttrium, 1-45% MS.sub.x, wherein M is at least one modifying metal cation selected from the group consisting of barium, cadmium, calcium, lead, lithium, mercury, potassium, silver, sodium, strontium, thallium, and tin, and 0-10% total chloride and/or fluoride. Glass compositions consisting essentially, expressed in terms of mole percent, of 5-30% Ga.sub.2 S.sub.3, 0-10% R.sub.2 S.sub.3, wherein R is at least one network forming cation selected from the group consisting of aluminum, antimony, arsenic, and indium, 55-94.5% GeS.sub.2, 0.5-25% MS.sub.x, wherein M is at least one modifying metal cation selected from the group consisting of barium, cadmium, calcium, lead, lithium, potassium, silver, sodium, strontium, tin, yttrium, and a rare earth metal of the lanthanide series, 0-10% total selenide, 0-25% total chloride and/or fluoride, and wherein the sulfur and/or selenium content can vary between 85-125% of the stoichiometric value when doped with Pr demonstrate exceptionally high values of .tau..
    • 本发明广泛地涉及在电磁辐射光谱的红外区域中表现出优异透射性的透明玻璃,基本上以摩尔百分数表示的40-80%Ga 2 S 3,0-35%RS x的玻璃,其中R是 选自铝,锑,砷,锗和铟的至少一种网络形成阳离子,1-50%的Ln2S3,其中Ln是至少一种选自稀土金属阳离子和钇的阳离子, 1-45%的MS x,其中M是选自钡,镉,钙,铅,锂,汞,钾,银,钠,锶,铊和锡中的至少一种改性金属阳离子,以及0-10 总氯化物和/或氟化物。 基本上以摩尔百分比表示的5-30%Ga 2 S 3,0-10%R 2 S 3的玻璃组合物,其中R是选自铝,锑,砷和铟的至少一种形成网络的阳离子,55 -94.5%GeS2,0.5-25%MSx,其中M是选自钡,镉,钙,铅,锂,钾,银,钠,锶,锡,钇中的至少一种改性金属阳离子和 稀土金属镧系,0-10%总硒,0-25%总氯化物和/或氟化物,其中硫和/或硒含量可以在化学计量值的85-125%之间变化,当掺杂Pr 表现出非常高的tau值。