Method and device for integrating an illumination source and detector into the same IC package that allows angular illumination with a common planar leadframe
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United States of America Patent
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Sep 14, 2010
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N/A
app pub date -
May 15, 2008
filing date -
Feb 4, 2005
priority date (Note) -
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Abstract
An optical navigation device includes an integrated package. The integrated package includes a planar leadframe, a light source die mounted on the leadframe, and a sensor die mounted on the leadframe to be coplanar with the light source die. The integrated package may be mounted at an angle or parallel to a navigation surface. The sensor die may be mounted at a distance from the light source die to detect specular or scattered reflection. The optical navigation device may be devoid of any optical element used to manipulate light generated by the light source die.
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