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According the photo (http://i17.ebayimg.com/06/i/000/cb/2d/
2695_1.JPG) that I found on a certain well-known auction site, all but a few solder joints had what I call "reverse fillets". *The solder connections should have a concave shape but instead have a convex shape (too much solder). * The few that didn't appeared to be overheated, with a grainy appearance. *I hate to say so but, though you've had a low failure rate, they definitely wouldn't pass scrutiny to meet Mil, CGMP, ISO, or IPC standards. Bryan WA7PRC You are right about possibly having too much solder... but that is certainly not a reliability issue. Grainy appearance of some joints is not uncommon for the new RoHS (high-concentration of tin) solders. As for passing military specs... that was never our intention with this product. Thanks for your comments. |
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