Method and structure for alignment of lens to optical product at PCBA level
AssigneePixart Imaging Inc.
InventorsWan Piang Lim, Sai Mun Lee
Life of this patent
Estimating the term…
Abstract
An optical package includes: a Printed Circuit Board (PCB) including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein the first plurality of protrusions includes three protrusions being guide posts, 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.
Claims9
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 guide posts with ribs, a first protrusion of the first plurality of protrusions is formed on a right hand side of the lens, and a second protrusion of the first plurality of protrusions is formed on a left hand side of the lens opposite to the right hand side, and when the lens is placed under the PCB, the first plurality of protrusions will pass through the cut-out sections for attaching the lens to the PCB;
- and
- a sensor for attaching on to the lens and the PCB;
- wherein the lens is only attached to the PCB via the guide posts, and the ribs enable the guide posts to tightly attach to the cut-out sections of the PCB.
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 outward-facing protrusions which attach to the top of the PCB and the lens is only attached to the PCB via the snap features.
Dependencies are inferred from the claim text.