Wafer-level alignment of optical elements
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United States of America Patent
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Mar 16, 2010
Grant Date -
Feb 28, 2008
app pub date -
Jun 29, 2007
filing date -
Jun 30, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods are disclosed of fabricating an optical assembly. An active optical element is disposed near or on a first surface of a slab of optical material. A passive optical element is formed on a second surface of the slab, with the second surface being substantially parallel to the first surface. An optical axis of the passive optical element is aligned with an optical path between the passive optical element and an active region of the active optical element using a lithographic alignment process.
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