Method and Apparatus for Extruding a Liquid Onto a Substrate and Inspecting the Same
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United States of America Patent
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N/A
Issued Date -
Jul 29, 2010
app pub date -
Apr 10, 2008
filing date -
Apr 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An extrusion and inspection apparatus is provided. Specifically, the apparatus includes a generally horizontal surface adapted to support a substrate and a coating die that extrudes fluid onto the substrate. A shuttle having a bridge with the coating die mounted thereon moves the coating die generally parallel to the substrate. In addition to lateral motion parallel to the substrate, the apparatus includes a gauging member that positions the die to at least one predetermined position above the substrate. A light source secured to the bridge is also employed to illuminate the substrate before and/or after coating. The apparatus also includes an imager secured to the bridge where the imager obtains images of the substrate during illumination.
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