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- Jan 8, 2008
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I'll be fabricating a 100% custom host for a 445nm M140 diode out of a 1.5" diameter, 12" long aluminum cylinder. I may end up using the full length, and most likely the full diameter (I feel like the heftyness of such a laser will carry with it the implication that it's a dangerous device). Such a large amount of aluminum also affords a great heat sinking opportunity for the diode.
In my current design, there are 1 or 2 threaded connections between the parts that hold the diode and the outer shell of the host (the bulk of the aluminum). How much actual metal on metal contact is there in a typical threaded connection? I'm trying to determine if the contact area is enough to adequately transfer heat from the diode to the outer shell.
In my current design, there are 1 or 2 threaded connections between the parts that hold the diode and the outer shell of the host (the bulk of the aluminum). How much actual metal on metal contact is there in a typical threaded connection? I'm trying to determine if the contact area is enough to adequately transfer heat from the diode to the outer shell.