SPACER PARTICLES FOR BOND LINE THICKNESS CONTROL IN SINTERING PASTES
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United States of America
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Issued Date -
Sep 21, 2017
app pub date -
Mar 15, 2017
filing date -
Mar 15, 2017
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Abstract
Methods and compositions are described for controlling bond line thickness of a joint formed during sintering. Spacer particles of a predetermined particle type and size are added in a predetermined concentration to a sintering paste to form a sintering paste mixture prior to sintering to achieve a targeted bond line thickness during sintering. The sintering paste mixture can be sintered under pressure and pressure-less process conditions. Under pressured sintering, the amount of pressure applied during sintering may be adjusted depending on the composition and concentration of the spacer particles to adjust bond line thickness.
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