Lens Datasheet - Pixart Imaging Inc.

Optical Mouse Lens
(Specular Lens )
Components Specification
Distribution
Internal Only
External All
External Restricted
□
□
□
If restricted, specify restricted to whom:
.
Document No.:
Revision:
Date:
PixArt reserves the right to
make changes due to the improvement
of process and package technology.
PNLR-012-RSI
Rev 3.0
2010/05/26
Rev 3.0
1
Revision History
Revision
Author
Date
Description
1.0
Chadwick
2010/02/04
Initial version
2.0
Chadwick
2010/03/16
Remove the Min. and Max. Item of Distance from mouse
sensor lid surface to object surface
3.0
Chadwick
PixArt reserves the right to
make changes due to the improvement
of process and package technology.
2010/05/26
Lens dimension item5 revised to 4.62mm
Rev 3.0
2
PNLR-012-RSI
Small form Specular Lens for Red LED Optical Mouse
FEATURES
z
Injection Molded with small form
z
Material : PolyCarbonate
Outline drawings for mechanical dimension
Note
1. Dimensions in millimeters.
PixArt reserves the right to
make changes due to the improvement
of process and package technology.
Rev 3.0
3
Mechanical assemble requirements
PARAMETERS
SYMBOL MIN TYP MAX UNIT CONDITIONS
Center of Aperture stop is
Distance from center of
Lens surface to Center of
Aperture stop
X
Distance from mouse sensor
lid surface to object surface
Y
Distance from object surface
to lens reference plane
Z
0.2
mm
close to center of lens
surface by self-align
housing.
7.45
2.3
2.4
nm
2.5
Sensor lid to Lens housing
surface must be contact.
mm
Note: It is necessary to press down clip to fix all components by forming a post in the top case
for assembly process.
Optical system assemble diagram
Package
Lens
OBJECT SURFACE
Lens Design for optical specifications
PARAMETERS
Object to image distance
Numerical aperture
Wavelength
Material Index of refraction
Magnification
Depth of field
PixArt reserves the right to
make changes due to the improvement
of process and package technology.
SYMBOL MIN
TYP
MAX
UNIT
8.65
0.13
8.75
0.14
639
1.582
1
±0.2
8.85
0.15
mm
N.A.
N
D.O.F
1.580
0.85
CONDITIONS
nm
λ=639 nm
1.584
1.15
mm
Rev 3.0
4
8PIN 3D Assembly for Mounting Instructions with small form Lens
Clipper
Sensor
LED
PCB
Lens
Base Plate
PixArt reserves the right to
make changes due to the improvement
of process and package technology.
Rev 3.0
5