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 III, scene ii], signature G, recto

   1 more example

   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 1

2. businessAn 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

   1 more example

   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