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    • 1. 发明授权
    • Modified germanium sulfide glass
    • 改性硫化锗玻璃
    • US5629248A
    • 1997-05-13
    • US541391
    • 1995-10-10
    • Ishwar D. AggarwalCelia I. MerzbacherBarry B. HarbisonJohn M. Jewell
    • Ishwar D. AggarwalCelia I. MerzbacherBarry B. HarbisonJohn M. Jewell
    • C03C3/32C03C4/10C03C13/04
    • C03C3/321Y10S501/904
    • A preferred embodiment of a sulfide glass with improved mechanical and optical properties such as extended transmission in the infrared region of radiation having wavelengths of up to about 15 microns, Tg in the range of 370.degree.-550.degree. C., and thermal stability of 100.degree.-300.degree. C., containing, on mol basis, 36-72% germanium sulfide, 2-38% gallium sulfide and/or indium sulfide, and 26-62% of at least one modifier containing an alkaline earth sulfide. A process for making glass of improved mechanical and optical properties comprises the steps of mixing glass components, including an alkaline earth modifier in elemental or sulfide form; melting the glass components in an inert vessel contained in a sealed ampoule to form a molten mixture; cooling the molten glass mixture to a solid state; annealing the solid glass; and cooling the annealed glass to about room temperature. The glass components can be in elemental form or in sulfide form, and if in elemental form, then sufficient amount of sulfur is added to form sulfides of the glass components.
    • 具有改进的机械和光学性能的硫化物玻璃的优选实施方案,例如在波长高达约15微米,Tg在370-550℃范围内的Tg的辐射红外区域中延长的透射,热稳定性为100 含有36-72%的硫化锗,2-38%的硫化镓和/或硫化铟,以及含有碱土金属硫化物的26-62%的至少一种改性剂。 制造改善的机械和光学性质的玻璃的方法包括将元素或硫化物形式的包括碱土金属改性剂的玻璃组分混合的步骤; 将包含在密封的安瓿中的惰性容器中的玻璃组分熔化以形成熔融混合物; 将熔融玻璃混合物冷却至固态; 退火固体玻璃; 并将退火玻璃冷却至约室温。 玻璃组分可以是元素形式或硫化物形式,如果是元素形式,则加入足够量的硫以形成玻璃组分的硫化物。
    • 2. 发明授权
    • Alkaline earth modified germanium sulfide glass
    • 碱土改性硫化锗玻璃
    • US5599751A
    • 1997-02-04
    • US396292
    • 1995-02-28
    • Barry B. HarbisonJohn M. JewellCelia I. MerzbacherIshwar D. Aggarwal
    • Barry B. HarbisonJohn M. JewellCelia I. MerzbacherIshwar D. Aggarwal
    • C03C3/32C03C4/10C03C13/04
    • C03C4/10C03C13/043C03C3/321Y10S501/904
    • A sulfide glass with improved mechanical and optical properties such as ended transmission in the infrared region of radiation having wavelengths of up to about 15 microns; Tg in the region of 410.degree.-550.degree. C.; and thermal stability of 100.degree.-300.degree. C. based on the difference between T.sub.g and T.sub.x, comprising, on mol basis, 20-90% germanium sulfide, 0-60% gallium sulfide, and 5-60% of at least one modifier in sulfide form. A process for improving mechanical and optical properties of a sulfide glass based on gallium sulfide and/or germanium sulfide comprises the steps of mixing glass components, including a modifier in elemental or sulfide form; melting the glass components to form a molten mixture; cooling the molten glass mixture to a solid state; annealing the solid glass; and cooling the annealed glass to about room temperature. The glass components can be in elemental form or in the form of sulfides, and if in elemental form, then sufficient amount of sulfur is added to form sulfides of the glass components.
    • 具有改进的机械和光学特性的硫化物玻璃,例如在具有高达约15微米的波长的辐射的红外区域中的扩展传播; 在410°-550℃的范围内的Tg。 和基于Tg和Tx之间的差异的100-300℃的热稳定性,基于摩尔数,包括20-90%的硫化锗,0-60%的硫化镓和5-60%的至少一种改性剂 呈硫化物形式。 一种改善硫化镓和/或硫化锗硫化物玻璃的机械和光学性质的方法包括以下步骤:将元素或硫化物形式的改性剂混合在一起; 熔化玻璃组分以形成熔融混合物; 将熔融玻璃混合物冷却至固态; 退火固体玻璃; 并将退火玻璃冷却至约室温。 玻璃组分可以是元素形式或硫化物形式,如果是元素形式,则加入足够量的硫以形成玻璃组分的硫化物。
    • 6. 发明授权
    • Infrared transparent selenide glasses
    • 红外透明硒化物眼镜
    • US5846889A
    • 1998-12-08
    • US818204
    • 1997-03-14
    • Barry B. HarbisonJasbinder S. SangheraJohn A. MoonIshwar D. Aggarwal
    • Barry B. HarbisonJasbinder S. SangheraJohn A. MoonIshwar D. Aggarwal
    • C03C3/32C03C13/04
    • C03C13/043C03C3/321C03C4/10C03C4/12Y10S501/904
    • A selenide glass with improved mechanical and optical properties such as ended transmission in the infrared region of radiation having wavelengths beyond 15 microns; Tg in the region of 363.degree.-394.degree. C.; and thermal stability of 85.degree.-145.degree. C. based on the difference between T.sub.g and T.sub.x, comprising, on mol basis, 20-70% germanium selenide, 0.5-25% gallium selenide, indium selenide or mixtures thereof; and 5-50% of at least one alkaline earth in selenide form is described. A process for improving mechanical and optical properties of a selenide glass based on germanium selenide comprises the steps of mixing glass components, including a modifier in elemental or selenide form; melting the glass components to form a molten mixture; cooling the molten glass mixture to a solid state; annealing the solid glass; and cooling the annealed glass to about room temperature is also described. The glass components can be in elemental form or in the form of selenides, and if in elemental form, then sufficient amount of selenium is added to form selenides of the glass components.
    • 具有改善的机械和光学性能的硒化物玻璃,例如在具有超过15微米的波长的辐射的红外区域中的扩展传输; 在363°-394℃的范围内的Tg。 和基于Tg和Tx之间的差异的85°-145℃的热稳定性,包括基于摩尔计的20-70%硒化锗,0.5-25%硒化镓,硒化铟或其混合物; 并描述了5-50%的至少一种硒化物形式的碱土金属。 用于改善基于硒化硒的硒化物玻璃的机械和光学性能的方法包括以下步骤:将元素或硒化物形式的包含改性剂的玻璃组分混合; 熔化玻璃组分以形成熔融混合物; 将熔融玻璃混合物冷却至固态; 退火固体玻璃; 并且还描述了将退火玻璃冷却至约室温。 玻璃组分可以是元素形式或以硒化物的形式,如果以元素形式,则加入足量的硒以形成玻璃组分的硒化物。
    • 7. 发明授权
    • Plasma chemical vapor deposition of halide glasses
    • 卤化物玻璃的等离子体化学气相沉积
    • US5211731A
    • 1993-05-18
    • US722447
    • 1991-06-27
    • Lynda E. BusseIshwar D. AggarwalKenneth J. EwingBarry B. Harbison
    • Lynda E. BusseIshwar D. AggarwalKenneth J. EwingBarry B. Harbison
    • C03B37/018C03C17/02
    • C03C17/02C03B37/0183C03B2201/82
    • A method for producing internally coated glass tube preforms for drawing er optic conductors. The internally coated glass tubes are halogen coated, preferably coated with metal fluorides, so that an optical fiber formed will have a halogen core which conveys light having a wavelength of about 2 to 4 microns, which is in the infrared region, with low attenuation. With one aspect of the method, a carrier gas and a halogenated alkoxide are introduced into a glass tube which has an inner wall and which is surrounded by a resonator for producing a plasma from the halogenated alkoxide in the tube. With another aspect of the method, a blend of a carrier gas, an organometallic compound, and a halogen-containing gas are introduced into a glass tube which has an inner wall and which is surrounded by a resonator for producing a plasma. In both cases, the tube is moved relative to the resonator to form a plasma zone within the tube such that a halide coating is formed on the inner wall of the tube. The plasma generation and inner glass wall coating take place at a relatively low pressure and at a relatively low temperature.
    • 一种用于制造用于拉制光纤导体的内置玻璃管预成型件的方法。 内部涂覆的玻璃管是卤素涂层的,优选地涂覆有金属氟化物,使得形成的光纤将具有卤素芯,该卤素芯在低红外区域传输波长为约2至4微米的光,具有低衰减。 通过该方法的一个方面,载体气体和卤代醇盐被引入到具有内壁并由用于从管中的卤代醇盐产生等离子体的谐振器包围的玻璃管中。 在该方法的另一方面,将载气,有机金属化合物和含卤素气体的共混物引入具有内壁并由用于产生等离子体的谐振器包围的玻璃管中。 在两种情况下,管相对于谐振器移动以在管内形成等离子体区,使得在管的内壁上形成卤化物涂层。 等离子体产生和内部玻璃壁涂层在相对低的压力和相对低的温度下进行。