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Lab talk, the good, the bad, and the ugly
Metal
Black spots on laser printed bridges!!
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<blockquote data-quote="Affinity" data-source="post: 348156" data-attributes="member: 1246"><p>I wouldnt worry about the black spots, but I would follow the instructions for the alloy. That green oxide is what creates the bond on some non precious alloys, like wirobond c (which says to leave the oxide on for the first bake) . If you blast if off before opaquing, you might have bonding issues.. I would sandblast and degass again and see if its still there.</p></blockquote><p></p>
[QUOTE="Affinity, post: 348156, member: 1246"] I wouldnt worry about the black spots, but I would follow the instructions for the alloy. That green oxide is what creates the bond on some non precious alloys, like wirobond c (which says to leave the oxide on for the first bake) . If you blast if off before opaquing, you might have bonding issues.. I would sandblast and degass again and see if its still there. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
Black spots on laser printed bridges!!
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