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Garry McGuire

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Sr. Engineer
NASA/Marshall Space Flight Center

Garry McGuire is a manufacturing process engineer and Chair of the IPC J-STD-001 and IPC/WHMA A-620 Space Addendum committees.

Garry McGuire has submitted responses to the following questions.
Wire Tinning Dispute
NASA-STD-8739.4 says thattinning all the way to the insulation is preferred, but it is acceptable forthere to be a gap. ...
Fastening Surface Mounted Connectors Before or After Refow?
Alwaystorque before soldering! If you torque after soldering, there will undoubtedlybe some movement of the connector which will place residual ...
White Discoloration After Ultrasonic Cleaning
Wedo not use the soldering materials/process that you do, so I can't add value toyour question. However, I want to ...
Acceptable Conductor Repair
IPC 7711/7721, Rework, Repair andModification of Electronic Assemblies, is an incredible resource forrecommended rework and repair practices. The picture makes ...
Soldering Multilayer Ceramic Chip Capacitors
Preheating the assembly is a must (local to the area beingworked is okay ... the entire assembly need not be ...
IPC-A-610 Criteria
The heel fillet requirement has its history in MIL-STD-2000 andprevious versions of military and NASA standards and has been verified ...