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    • 1. 发明授权
    • Glass-ceramics for a light filter
    • 玻璃陶瓷用于过滤器
    • US06677259B2
    • 2004-01-13
    • US10066821
    • 2002-02-04
    • Naoyuki GotoMariko KataokaDonald G. Polensky
    • Naoyuki GotoMariko KataokaDonald G. Polensky
    • C03C1004
    • C03C10/0027G02B5/20G02B5/226
    • Glass-ceramics for a light filter capable of preventing variation of refractive index in a band-pass filter have a coefficient of thermal expansion within a range from 95×10−7/°C. to 140×10−7/°C. within a temperature range from −20° C. to +70° C. and, preferably, Young's modulus of 85 GPa and bending strength of 10 kg/mm2, and light transmittance for plate thickness of 10 mm of 60% or over within a wavelength range from 950 nm to 1600 nm. Predominant crystal phases of these glass-ceramics should preferably be (a) lithium disilicate and (b) one selected from the group consisting of &agr;-quartz, &agr;-quartz solid solution, &agr;-cristobalite and &agr;-cristobalite solid solution.
    • 用于能够防止带通滤光器中的折射率变化的光过滤器的玻璃陶瓷的热膨胀系数在95×10 -7 /℃的范围内。 至140×10 -7 /℃。 在-20℃至+ 70℃的温度范围内,优选的杨氏模量为85GPa,弯曲强度为10kg / mm 2,板厚为10mm的透光率为60%, 在950nm至1600nm的波长范围内。 这些玻璃陶瓷的主要晶相应优选为(a)二硅酸锂和(b)选自α-石英,α-石英固溶体,α-方英石和α-方英石固溶体的一种。
    • 2. 发明授权
    • Light filter using glass ceramics
    • 玻璃陶瓷滤光片
    • US06560049B2
    • 2003-05-06
    • US10039012
    • 2002-01-02
    • Naoyuki GotoMariko KataokaDonald G. Polensky
    • Naoyuki GotoMariko KataokaDonald G. Polensky
    • G02B522
    • C03C10/0036C03C10/0027G02B5/20G02B5/226
    • Glass-ceramics fo a light filter capable of preventing variation of refractive index in a band-pass filter have a coefficient of thermal expansion within a range from 95×10−7/°C. to 140×10−7/°C. within a temperature range from −20° C. to +70° C. and, preferably, Young's modulus of 85 GPa and bending strength of 10 kg/mm2, and light transmittance for plate thickness of 10 mm of 60% or over within a wavelength range from 950 nm to 1600 nm. Predominant crystal phases of these glass-ceramics should preferably be (a) lithium disilicate and (b) one selected from the group consisting of &agr;-quartz, &agr;-quartz solid solution, &agr;-cristobalite and &agr;-cristobalite solid solution.
    • 能够防止带通滤光器中的折射率变化的光过滤器的玻璃陶瓷的热膨胀系数在95×10 -7 /℃的范围内。 至140x10-7 /℃。 在-20℃至+ 70℃的温度范围内,优选的杨氏模量为85GPa,弯曲强度为10kg / mm 2,板厚为10mm的透光率为60%以下, 波长范围从950 nm到1600 nm。 这些玻璃陶瓷的主要晶相应优选为(a)二硅酸锂和(b)选自α-石英,α-石英固溶体,α-方英石和α-方英石固溶体的一种。