INFRARED SENSOR AND ELECTRIC EQUIPMENT

PROBLEM TO BE SOLVED: To close a circular aperture formed on an envelope into which infrared rays are incident with a circular optical filter, suppress leakage of the envelope, prevent a drop in detection sensitivity for the infrared rays, and provide a reliable infrared sensor and electric equipmen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IRIE RYOTA, KAMAKURA TAKAYA, KITAMURA NORIYUKI, TAKAHASHI YUJI, SASAKI ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To close a circular aperture formed on an envelope into which infrared rays are incident with a circular optical filter, suppress leakage of the envelope, prevent a drop in detection sensitivity for the infrared rays, and provide a reliable infrared sensor and electric equipment. SOLUTION: The infrared sensor includes a detection element 1 for detecting infrared rays, the envelope 2 in which the detection element 1 is accommodated, having the circular aperture 5 to which the infrared rays are incident formed, and whose inside is reduced in pressure, and the circular optical filter 6 having a diameter larger than that of the aperture 5, provided concentrically with the aperture 5 for closing the aperture 5 and transmitting the infrared rays in a predetermined wavelength region. COPYRIGHT: (C)2010,JPO&INPIT