Light-receiving device and method for manufacturing light-receiving device

This light-receiving device is provided with: a light-receiving element to which a plurality of light-receiving units are provided; and a glass cover that has a first surface and a second surface opposite to the first surface and that is fixed on the light-receiving element so that the second surfac...

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Bibliographische Detailangaben
1. Verfasser:	KUME, MAKIO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	This light-receiving device is provided with: a light-receiving element to which a plurality of light-receiving units are provided; and a glass cover that has a first surface and a second surface opposite to the first surface and that is fixed on the light-receiving element so that the second surface faces the light-receiving element. The glass cover includes a plurality of diffraction gratings provided to the inside and/or the first surface. The diffraction gratings are configured so as to concentrate, on the respective light-receiving units, distance-measuring laser beams entering the first surface of the glass cover.