US 11,698,295 B2
Optical sensor including a hard resin and a soft resin and proximity sensor including the same
Hiroshi Watanabe, Nagaokakyo (JP); Kohei Sugahara, Nagaokakyo (JP); and Takatoshi Kato, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Jan. 6, 2022, as Appl. No. 17/569,764.
Application 17/569,764 is a continuation of application No. PCT/JP2020/023043, filed on Jun. 11, 2020.
Claims priority of application No. 2019-128197 (JP), filed on Jul. 10, 2019.
Prior Publication US 2022/0128397 A1, Apr. 28, 2022
Int. Cl. G01J 1/02 (2006.01); G01V 8/20 (2006.01); H01L 31/12 (2006.01); B25J 19/02 (2006.01); G01J 1/44 (2006.01)
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
OG exemplary drawing
 
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.