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ArcticMyst Security by Avery
Laser polarity
- Thread starter Kufain
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ARG
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Picture please?
IsaacT
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It looks like it is still inside the heatsink....is there any way for you to remove it? Where did you get it? Is there a model number for whatever you pulled it out of?
I got it from dell laptop dvd rom,well im a bit afraid to remove the heatsink because i dont want to damage the laser. Evrything rly tight, and i dont really know how to remove it
IsaacT
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Can you get a picture of the aperture of the diode? It is hard to orient oneself to that picture. On photobbucket you can also label things in the edit mode so you can cirlce stuff you know what is.
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It's a flat plastic packaged diode.
Unless you have access to epic tools and have great skills, you're not going to mount that into anything handheld.
You need to get a drive that has 5.6mm round diode in it.
Regarding the original question, no idea about the polarity since that package is symmetrical. I can tell you that the middle pin is ground. You have 50-50 chance of getting the positive connection right.
Unless you have access to epic tools and have great skills, you're not going to mount that into anything handheld.
You need to get a drive that has 5.6mm round diode in it.
Regarding the original question, no idea about the polarity since that package is symmetrical. I can tell you that the middle pin is ground. You have 50-50 chance of getting the positive connection right.
thanks. Well will it survive 1 V battery test if i miss polarity?
IsaacT
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You could try testing it with a multimeter. Dont know how,, just know that you can.
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diode test function on the mm. IIRC, the center pin is synonymous with the case pin of a hermetically sealed 5.6mm diode, and one opf the outer pins will be the other connection.
http://laserpointerforums.com/f50/flat-red-laser-diode-testing-2nd-phase-47044.html might be of some use to you.
1V *may* be enough to light it, but iono really.
http://laserpointerforums.com/f50/flat-red-laser-diode-testing-2nd-phase-47044.html might be of some use to you.
1V *may* be enough to light it, but iono really.
I just did a quick laser build into axis housing from a Dell driver .my middle was case neg and if that pin is set sticking out more to the right than other two pins the top one should. Be the possitive pin I tested for case negative by mm and put negative lead on center. Pin and red on case then set it to continuity and you'll get bleep if it's conecter to case which I'd think it will be
If it is the same Dell driver sled I I got from a 2005 Dell it will be easy to extract just takes a few mins there is probs two diodes and the one with yb and number on the side of diode is the red the one with si on side is the ir diode .used solder blob methods to get the ribbon off the diode it cleans pins fantastically,then all I did was two pairs of pliers each side of diode on the alli heat sink and and little twist will open the alli just go steady and it will come out like new .of cause that is if it's the same sled and driver .
Sry, but my english is not really good, can u explain more detailed?
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LOL, don't worry, it's his english that isn't good. Yours is fine.
What he's trying to say, I guess, is the method of diode extraction, which is nearly useless in our case since you have a plastic square diode instead of round metal one.
Basically, getting it out of this heatsink it's in would be a very bad idea. You have no other method of heatsinking it anyway.
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if you extract the diode, there will be two metal tabs on the left and right sides. These are the same piece of metal that the center pin is. These are what need to be heatsinked. Since they are already heatsinked to the cast metal mini heatsink thingy, it may be easier to heatsink that squarish metal block to something rather than trying to get these tiny little tabs to make good contact with a diode hobby module like Aixiz.
If you can find a way to transfer heat reliably from those side tabs to an aixiz, the rest is easy, just like any other diode. I don't know the measurements of those plastic diodes off the top of my head, though, so I don't know if they will fit snug in a standard 5.6mm diameter aixiz. some folks make 3.6mm modules too.
If you can find a way to transfer heat reliably from those side tabs to an aixiz, the rest is easy, just like any other diode. I don't know the measurements of those plastic diodes off the top of my head, though, so I don't know if they will fit snug in a standard 5.6mm diameter aixiz. some folks make 3.6mm modules too.
Can you explain his 1st message? About polarity
