Patent ID: 9608158
Date: 2017-03-28
CPC Classifications: H01L

Claim:
1. A semiconductor proximity sensor comprising: a flat leadframe having a first and a second surface, the second surface being solderable, the leadframe including a first and a second pad, a plurality of leads, and fingers framing the first pad, the fingers spaced from the first pad by a gap; clear molding compound filling the gap; a light-emitting diode (LED) chip assembled on the first pad and encapsulated by a first volume of the clear compound, the first volume outlined as a first lens; a sensor chip assembled on the second pad and encapsulated by a second volume of the clear compound, the second volume outlined as a second lens; opaque molding compound filling the space between the first and second volumes of clear compound and forming walls rising from the frame of fingers to create an enclosed cavity for the LED; and a layer of solder on the second leadframe surface of the pads, leads, and fingers.