发明申请
US20100181585A1 ILLUMINATION SYSTEM COMPRISING A COMPOUND WITH LOW THERMAL EXPANSION COEFFICIENT 审中-公开
包含低热膨胀系数的化合物的照明系统

ILLUMINATION SYSTEM COMPRISING A COMPOUND WITH LOW THERMAL EXPANSION COEFFICIENT
摘要:
The invention relates to an illumination system with a material having a low or negative thermal expansion coefficient in order to compensate for the thermal expansion of the further materials present in the illumination system.
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