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Old 10-22-2011, 06:01 PM #1
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Post Diode specs and a stubborn heat sink

Is there a resource for matching a dvd-rw diode to the burner from which it came? I'm building my first burning laser, including the driver. As a chemist, I dont really know what I'm doing so Ill probably fail but at least I'll learn something. And once that happens, a way to match the pre made drive to my diode.

I have two drives: lite on 16x write smh-165h6s and HP 24x write dvd1270i.

I'm using the lite-on as practice, since I'm assuming (I know what happens when I assume) that the 24x is more powerfull.

On to the heat sink. I have the diode out but its still in the square heat sink. I don't want to force it so I'm inclined to use acetone to disolve the glue. Is there a better way?


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Old 10-22-2011, 06:47 PM #2
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Default Re: Diode specs and a stubborn heat sink

To get the diode out the heatsink I just used a vice and a Jr hacksaw, just cut in to it carefully on both sides and use 2 long nose plies to twist them apart
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Old 10-23-2011, 12:47 AM #3
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Default Re: Diode specs and a stubborn heat sink

Yes, even when twisting and forcing things around seems destructive, the twisting method is very effective. Its because the heatsink alloy is some type of Al-Mg or Al-Zn so its very brittle. It also burns like magnesium, which is fun lol.
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Old 10-23-2011, 12:52 AM #4
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Default Re: Diode specs and a stubborn heat sink

TBH you better off buying a high powered red diode like the LPC-815 for like 7.5$
Saves time and more of a chance to have a working project
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Old 10-23-2011, 04:14 PM #5
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Default Re: Diode specs and a stubborn heat sink

Dude it is not that complicated.. you just need to watch some youtube video.. i had the same problem and trust me its just a youtube video away.. search for extraction of diodes from sled XD i dont have the link.. but u can find plenty
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