Robert,
We have been using HALT and HASS testing now for a couple of years. HALT
is Highly Accelerated Life Testing and is generally a combination of
heat/cold cycling along with random vibration while equipment is in full
operation. It is intended to find the limits of the product in that
PM
To: emc-p...@ieee.org
Subject:RE: HALT testing
Sounds like an interesting approach, but it sounds like it will
only
uncover those failure modes that are related to the product's
environment. What about line voltage fluctuations, surges,
etc
-
From: MVA 850SS [SMTP:mva85...@aol.com]
Sent: Monday, January 19, 1998 5:45 PM
To: r...@itsqs.com; emc-p...@ieee.org
Subject: Re: HALT testing
HALT, Highly Accelerated Life Testing is a test-to-failure approach to
determine weak designs. You don't ever pass HALT, you just reach a
point
HALT, Highly Accelerated Life Testing is a test-to-failure approach to
determine weak designs. You don't ever pass HALT, you just reach a point of
diminishing returns from a design cost/improvement ratio. There are various
parameters that change such as vibration, temperature and humidity. All
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