interposer
Sign in to saveAlso known as silicon interposer, electronic interposer
thumb|BGA with an interposer between the Die (integrated circuit)|integrated circuit die to [[ball grid array]] thumb|Pentium II: example of an interposer in dark yellow, Die (integrated circuit)|integrated circuit die to [[ball grid array chip carrier]]
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thumb|BGA with an interposer between the Die (integrated circuit)|integrated circuit die to [[ball grid array]] thumb|Pentium II: example of an interposer in dark yellow, Die (integrated circuit)|integrated circuit die to [[ball grid array chip carrier]]
An interposer is an electrical interface routing between one socket or connection and another. The purpose of an interposer is to spread a connection to a wider pitch or to reroute a connection to a different connection.
Excerpted from Wikipedia’s “interposer” article, available under the CC BY-SA 4.0 licence.