CPC G01J 1/0271 (2013.01) [G01V 8/20 (2013.01); H01L 31/12 (2013.01); B25J 19/021 (2013.01); G01J 2001/446 (2013.01)] | 20 Claims |
1. An optical sensor comprising:
a light emitter to emit light;
a light receiver to receive the light emitted from the light emitter;
a first resin body that covers the light emitter and the light receiver to transmit the light emitted from the light emitter and to emit the light outside; and
a second resin body that seals the light emitter and the light receiver; wherein
the second resin body is included inside the first resin body; and
the second resin body is harder than the first resin body.
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