File:NASA-STD-8739.3 fractured and poorly wetted solder connections.png

$File:NASA-STD-8739.3 fractured and poorly wetted solder connections.png$

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Summary

Photographs from Appendix A, Part II of NASA-STD-8739.3: Figure 7, a fractured or disturbed solder connection, and Figure 8, poor wetting on a lead to a pad. Cropped from PDF page 86; the captions are on page 87.

Source

NASA, NASA-STD-8739.3 Soldered Electrical Connections, with Change 4 (approved 1997-12-15, Change 4 dated 2011). Copy downloaded from EverySpec, https://everyspec.com/NASA/NASA-NASA-STD/NASA-STD-8739x3_CHG-4_33216/ (retrieved 2026-10-25). The standard was cancelled on 17 October 2011, when NASA adopted IPC J-STD-001ES.

Author

NASA

Licence

Public domain. This is a work of the United States Government (NASA), not subject to copyright in the United States.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:45, 25 October 2026		1,308 × 571 (363 KB)	Josh (talk \| contribs)	Upload for repair technique pages

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Through-Hole Soldering