High-density biochemical array chips with asynchronous tracks for alignment correction by moiré averaging
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United States of America Patent
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Jun 6, 2017
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Aug 30, 2011
filing date -
Aug 31, 2010
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Abstract
An array chip useful for biochemical assays is provided wherein the chip includes a field region arranged with attachment sites according to a first pitch and at least one track region having a one-dimensional spot pattern arranged according to a second pitch that is less dense and is a non-integer multiple of the first pitch so that one-dimensional Moiré averaging may be applied in the track region, thereby to attain alignment of the chip to the optical instrumentation with a higher density of attachment sites.
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