interposer

Noun

interposer (plural interposers)

1. One who interposes.
   • Since I haue your good leaue to go avvay, / I vvill make haſt. But till I come againe, / No bed ſhall ere [e'er] be guilty of my ſtay, / Nor reſt be interpoſer tvvixt vs tvvain.c. 1596–1598 (date written), W[illiam] Shakespeare, The Excellent History of the Merchant of Venice. […] (First Quarto), [London]: […] J[ames] Roberts [for Thomas Heyes], published 1600, →OCLC, [Act...
   • But if now / You ſhould (as cruell fathers do) proclame / Your right, and Tyrant like uſurp the glory / Of my peculiar honours, not deriv'd / From ſucceſſary, but purchas'd with my bloud, / Then I muſt ſtand firſt Champion for my ſelfe, / Againſt all interpoſers.c. 1619–1623, John Ford, “The Lawes of Candy”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, →OCLC, Act I, scene ii, page 52, column...
2. An electrical interface between one connection or socket and another, used to spread a connection to a wider pitch or to reroute it.
   • The drillable centre-line determining device disclosed in this patent takes the form of an interposer which has on its underside a projecting location pin perpendicular to its upper surface which acts as a planarisation platform.1984, Robotics Technology Abstracts, volume 3, page 280
   • As the name suggests, an interposer is placed in between the packaging substrate and dies to provide electrical interface routing. The objective of an interposer is to electrically reroute a terminal to different dies or to extend a connection to broader areas via wider pitch.2016, Brajesh Kumar Kaushik, Vobulapuram Ramesh Kumar, Manoj Kumar Majumder, Arsalan Alam, Through Silicon Vias: Materials, Models, Design, and Performance, CRC Press, →ISBN, page 7