System and method for measuring tilt of a sensor die with respect to the optical axis of a lens in a camera module
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United States of America Patent
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Issued Date -
Jul 19, 2007
app pub date -
Jun 30, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method are provided for measuring tilt of a sensor die with respect to the optical axis of the lens assembly in a camera module by providing a camera module having a sensor die with a plurality of focal indicial located on a surface, and a lens or lens assembly adjustably held about the sensor die and having an optical axis; exposing the lens to light; measuring the focus of each focal indicia with respect to the position of the lens; and calculating the tilt of the sensor die with respect to the optical axis of the lens.
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