Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

Buy Site Supporter Role (remove some ads) | LPF Donations

Links below open in new window

Aluminium foil heatsink????

  • Thread starter Thread starter jenner6989
  • Start date Start date
J

jenner6989

Guest
Now i have been told that aluminium foil will work fine for a heatsink? i have used it in one of my builds with an aixiz housing and a cheap led flashlight. is the foil good enough. i havnt had any probs yet but it has always been in the back of my mind. any help would be greatly appriciated.
 





This has already been discussed in a few other threads..
Aluminium foil cannot be used as it is impossible to eliminate air bubbles in between the layers of foil.. and air bubbles keep IN heat rather than getting rid of it.
The best heatsink you can make without any tools is probably a piece of copper pipe which fits as snugly as possible around the laser, filling any gap with a mixture of aluminium powder and thermal paste.

Seb
 
Jaseth said:
This has already been discussed in a few other threads..
Aluminium foil cannot be used as it is impossible to eliminate air bubbles in between the layers of foil.. and air bubbles keep IN heat rather than getting rid of it.
The best heatsink you can make without any tools is probably a piece of copper pipe which fits as snugly as possible around the laser, filling any gap with a mixture of aluminium powder and thermal paste.

Seb
Click to expand...

Yeah, in order to wrap it that tight, you'd need to exert a lot of tension on the foil which would rip it making it useless. Get a bar of copper, and drill out a hold just big enough to slide your host in.

This reminds me of Beavis and Butthead's tv antenna hehe
 
tin foil :tinfoil: :crackup::crackup::crackup::crackup: I couldn't resist that gets 4 out of 5 crackups !!!
 
Of course it will work, it just won't be very good. You need a reasonable contact between layers (no need to get all the air out). To get rid of trapped air bubbles, maybe punch some needle holes through the layers.

Considering that I'm currently using paper wrapping :shhh: to hold the Aixiz within the host, that's a definite improvement suggestion.
 
here is foil bubble wrap.


here is silver aluminum foil



and here is Dave trying to keep the aliens at bay with aluminum hat
 
Dave please read my post it was as close to anything that I had as far as creative humor today. At your expense I might add... I was in a rutt today.
 
jander6442 said:
and here is Dave trying to keep the aliens at bay with aluminum hat
Click to expand...
:crackup::crackup::crackup::crackup::crackup:

I look DAMN good for my age!

Also, you should notice that I am not even being harassed by any aliens here. The hat is obviously working :tinfoil:

Peace,
dave
 
Cube777 said:
^If you were to post something useful (eg. something not yet mentioned), your post would have been okay. But your post didn't say anything new, so it is classified as NECRO! It's a bad thing on this forum :tsk:
Click to expand...

So this post you have just posted is totally useful. :shhh:
 
Technically, it is no longer a necropost since Cube posted a few minutes after yours. Consider that a friendly reminder.
 
I've always been a fan of friendly reminders. Friendly PSAs, not so much. But a friendly reminder, now that's great.
 
^That's why I deleted my message and PM'd him. There is no advantage for me in this, I didn't get the extra post for my post count because I deleted it, I am just trying to help out the forum.
 
You must log in or register to reply here.


Back
Top