211 isotherm 2hand 2000 results

Electronics Forum: isotherm 2hand 2000 (10)

Re: Solder Phase Equilibrium

Electronics Forum | Thu Aug 24 17:08:58 EDT 2000 | Dr. Ning-Cheng Lee

Depending on the stress condition experienced by the solder joints. For joints under a greater stress, the time to reach equilibrium can be shorter. Of course, the change is also more significant in phase structure. For low stress conditions, it may

Re: IR Versus Hot Air - Put-Up Your Dukes

Electronics Forum | Thu Sep 23 20:57:13 EDT 1999 | Dean

| Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near-by

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