US 11,956,892 B2
Method and structure for alignment of lens to optical product at PCBA level
Wan Piang Lim, Penang (MY); and Sai Mun Lee, Penang (MY)
Assigned to PixArt Imaging Inc., Hsin-Chu (TW)
Filed by PixArt Imaging Inc., Hsin-Chu (TW)
Filed on Mar. 22, 2022, as Appl. No. 17/701,642.
Prior Publication US 2023/0309216 A1, Sep. 28, 2023
Int. Cl. H05K 1/02 (2006.01); H05K 3/04 (2006.01)
CPC H05K 1/0274 (2013.01) [H05K 3/041 (2013.01); H05K 2201/10121 (2013.01); H05K 2201/10151 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An optical package, comprising:
a Printed Circuit Board (PCB) comprising a plurality of cut-out sections;
a lens, comprising a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein the first plurality of protrusions comprises three protrusions being snap features, a first protrusion of the first plurality of protrusions is formed on a first side of the lens, and a second protrusion of the first plurality of protrusions is formed on a second side of the lens opposite to the first side, and when the lens is placed under the PCB, the first plurality of protrusions will pass through the cut-out sections; and
a sensor for attaching on to the lens and the PCB;
wherein the snap features comprise inward-facing protrusions which attach to the top of the sensor.