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Zebralight SC52 Owner's Thread
solder balls, hmm, do you mean some balls bit larger in volume then others spread differently in irregular shapes rather than dots during soldering process? I assumed its some impurities in phosphorous or silicon. Are these Cree LEDs made up of matrix of smaller LEDs, maybe some burned out?- travkaman
- Post #557
- Forum: LED Flashlights
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Zebralight SC52 Owner's Thread
Sorry for confusing with my bad explanation(ESL) but, no , Im not talking about bond wires to which I mistakenly referenced as "connecting leads" in original post. I know those two symmetric black spots at the top of the LED are bond wires. The defects Im talking about are harder to see, they...- travkaman
- Post #553
- Forum: LED Flashlights
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Zebralight SC52 Owner's Thread
Just got mine SC52w-L2(my first quality led light) and seems like I won a tint lottery, but might lost in LED lottery. There is something on my LED(Cree XM-L2) two darker spots one is tiny near right contact lead another irregularly shaped closer to bottom left corner. They only visible in...- travkaman
- Post #551
- Forum: LED Flashlights
