Questions and Comments

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Mar 22, 2023
How To Clean a Vintage Circuit Board Assembly?
Been there and did this: With the circuit board removed from the computer; Very hot water is a fairly large plastic tub with s little green detergent soap, as used for washing dishes. Do not ...
Jaye Waas, Renkus-Heinz

Mar 14, 2023
Questions About Handling Solder Paste
Here are some answers: 1. For best results, try to reach the paste viscosity as per the Technical Data Sheet for your paste, always available online from the paste manufacturer. 2. People who say a ...
Richard Stadem, Analog Technologies Corp.

Mar 1, 2023
What Causes Board Delamination?
In terms of root cause failure analysis, micro-sectioning across a delaminated area can reveal clues such as where the separation occurred, or material anomalies associated with the board fabrication (such as copper surface roughness, prepreg ...
Alan Couchman, Process Sciences, Inc.

Mar 1, 2023
What Causes Board Delamination?
The cause of delamination is fundamentally the high temperature required for soldering. All of the observations made here were made by smart experienced folks trying mitigate the intrinsic realities of solder to the best of ...
Joseph Fjelstad, Verdant Electronics

Mar 1, 2023
What Causes Board Delamination?
In my opinion, delamination occurs due to card manufacturing processes that do not meet the minimum product specifications, deficient purchasing processes where the requirements are not specified, new suppliers, unfortunately the delivery times, the difference ...
Roger Cespedes, Camtronics