International Business Machines Corporation
Liquid metal infiltration rework of electronic assembly

Last updated:

Abstract:

Provided is a method for removing an electronic socket from a printed wiring board. The method comprises placing an embrittlement sheet over an electronic socket on a printed wiring board. The electronic socket is mounted to the printed wiring board using a plurality of hidden solder joints. The method further comprises causing the embrittlement sheet to melt. The melted embrittlement sheet wets the plurality of hidden solder joints. The electronic socket is removed from the printed wiring board by breaking the embrittled solder joints.

Status:
Grant
Type:

Utility

Filling date:

22 Oct 2019

Issue date:

22 Mar 2022