Institute of Interconnecting and Packaging Electronic Circuits (IPC)
Scope
IPC-TR-464 was originally published in April of 1984. This Technical Report was developed to meet the growing need for a standard method
of evaluating the solderability retention capability of printed circuit parts during inventory storage. The report indicated that a 1-4 hour aging
procedure was in'adequate to assure the level of acceptable solderability required by the industry. A 20-24 hour aging times was recommended.
Since the initial publications of IPC-TR-464, additional research has taken place on accelerated aging; better leadltermination coatings are
being used to meet aging requirements imposed by the industry. In 1986 the Accelerated Aging Task Group of the IPC was reactivated to .
evaluate the most recent research to determine if the aging period could be shorted, and still provide the appropriate information on solderability
retention. This addendum to IPC-TR-464 published December 1987 represents the results of the task group study.