Counter sunk screen
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United States of America Patent
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Issued Date -
Jun 10, 2010
app pub date -
Dec 8, 2009
filing date -
Dec 10, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A printing screen which, in one embodiment, is adapted to print resistors on a substrate including conductors. An emulsion material covers at least a first area of the screen and at least a second area of the screen defines a region of the screen through which a thick film paste material passes and is deposited onto the substrate to form the resistors. A pattern of recesses, defined in the bottom surface of the layer of emulsion material, matches the pattern of conductors on the substrate. When the screen is lowered onto or near the substrate, the conductors are fitted into the respective recesses to assure that during printing the screen lays flat against the substrate irrespective of the number, size, or location of the conductors on the substrate for forming resistors of uniform thickness and thus uniform resistance.
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