SPUTTER TARGET
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United States of America Patent
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N/A
Issued Date -
Dec 6, 2012
app pub date -
Feb 16, 2011
filing date -
Feb 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one aspect of the invention, a sputter target is provided comprising a backing plate (40) comprising a front surface and a back surface; and a sputtering plate mounted on said backing plate, the sputtering plate comprising a sputtering surface and a back surface. At least one of the back surface of the sputtering plate, the front surface of the backing plate, or the back surface of the backing plate has at least one groove (30) that is shaped and sized to correspond to an observed region of higher sputtering of the sputtering plate relative to an adjacent area of the sputtering plate. An insert (50) is placed in the groove(s). The backing plate comprises a first material, the sputtering plate comprises a second material, and an insert comprises a third material. In yet another aspect of the sputter target, a method of controlling the electromagnetic properties of a sputter target is provided.
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