Apparatus and method for visually identifying micro-forces with a palette of cantilever array blocks
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United States of America Patent
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Sep 12, 2006
Issued Date -
N/A
app pub date -
Feb 13, 2002
filing date -
Aug 19, 1999
priority date (Note) -
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Abstract
An apparatus to measure micro-forces includes a cantilever palette with a set of cantilever array blocks. Each cantilever array block includes a set of cantilevers, with each cantilever including a set of cantilever fingers surrounded by a frame with frame fingers. The cantilever fingers and the frame fingers form a diffraction grating. Each cantilever array block is configured to be responsive to a predetermined micro-force, such that cantilevers of the cantilever array block deflect in the presence of the predetermined micro-force, which causes the diffraction grating to diffract light and thereby provide a visual indication of the presence of the predetermined micro-force.
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