We outlawed U/S cleaning when we started getting wire-bond fatigue failures
in transistors and IC's. They can go into harmonics and break or get so
weak they fail during product vibration testing.
R. G. Blomberg
Honeywell -SASSO
Staff Production Engineer
(727) 539-5534 voice
727-539-4469 Fax
[log in to unmask]
-----Original Message-----
From: Martin B Truter [mailto:[log in to unmask]]
Sent: Tuesday, September 07, 1999 4:13 PM
To: [log in to unmask]
Subject: [TN] Ultrasonic PCB cleaning
Hi
Is ultrasonic cleaning of an assembled PCB considered harmful to components
(IC).
Martin
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