Multiplex illuminator and device reader for microcantilever array
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United States of America Patent
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-
Feb 13, 2007
Grant Date -
Aug 26, 2004
app pub date -
Nov 10, 2003
filing date -
Nov 8, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device reader having a multiplex illuminator, the illuminator, and methods for reading deflection of a large number of microcantilevers are provided. The illuminator includes a micro-optical subassembly for illuminating cantilevers (illuminator) that uses a plurality of VCSELs for generating an array of electromagnetic beams, and focuses the beams on the cantilevers. Deflection of the cantilevers causes a change in angle of the beams reflected from the cantilevers, which is recorded by a plurality of position sensitive devices.
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