| 摘要 |
PROBLEM TO BE SOLVED: To provide a mercury lamp in which a visible ray wavelength band including near infrared ray wavelength band is shaded and far infrared ray wavelength band is mainly irradiated. SOLUTION: The mercury lamp for a far infrared ray wavelength band is provided with an infrared phosphor in an inner wall of a glass tube for shading visible light. COPYRIGHT: (C)2009,JPO&INPIT
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