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Push plate, mounting assembly, circuit board, and method of assembling thereof for ball grid array packages

United States Patent

9,653,230
May 16, 2017
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A push plate that includes springs in the form of cantilever flexures and an inspection window is disclosed. The push plate provides a known, uniform, down force and minimal torque to a package to be tested. The cantilevers have a known, calculable down force producing stiffness. The window provides for viewing of the package during testing.
Vaughn; Mark R. (Albuquerque, NM), Montague; Stephen (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
13/ 767,578
February 14, 2013
STATEMENT OF GOVERNMENT INTEREST The United States Government has rights in this invention pursuant to Contract No. DE-AC04-94AL85000 between the United States Department of Energy and Sandia Corporation, for the operation of the Sandia National Laboratories.