Self-centering process shield
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United States of America Patent
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May 9, 2017
Grant Date -
Sep 18, 2014
app pub date -
Mar 5, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A process shield may include an elongated annular body having an outer surface and an inner surface; a lip extending radially outward from the outer surface of the body proximate a first end of the body such that a first portion of the body extends beyond the lip toward the first end; a plurality of openings in the lip; and a pin disposed in each of the plurality of openings to align the target assembly atop the process shield when the lid is placed atop the process shield, wherein the pin comprises an elongated body having a first surface with a beveled peripheral edge, wherein the first surface has a first diameter, a second surface opposing the first surface, wherein the second surface has a second diameter, and a sidewall, between the first surface and the second surface, wherein the sidewall has a concave portion having a third diameter.
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