EP15 IC Reballing Without Solder Paste/Balls | Perfect Hand Reballing Forever

There were a few remarks on differing ball size.
I think, if you do sanding and reheating a couple of times, the balls should be of even size/diameter. This is because you sand away everything that is higher than the stencil. And with every time you do the sanding and reheating process, more balls won´t get sanded any more. As soon as there is no ball being sanded any more, you have the absolutely perfect height and diameter. The only thing you should look for, is that you sand evenly and don´t create an indentation.

I made it one time with and nvidia gpu and after that I quit for the whole life 😂😂😂😂😂😂😂

Rofl, you actually never inhaled any parts of lead, it’s only flux. Temperature to actually evaporite lead is much above its fluid state, bro. With your experience you definitely should know that

Hand sanding on a 2400 grit fine sandpaper cures all, even on 1x1 mm devices CSP'S.
Necessary especially when you reinstall smaller CSP's on daughter cards and LFC'S . Cheers

Wow this is excelent way of reballing without a stencil or solder balls , really inovative idea in repair ... great stuff really ...

What if , now don't kill me, but would it be an idea that if when you put the stencil on the first time you could add flux and sweep it with some solder then sand it?

You speak a lot during work !!! which is very annoying !!!

Thank you

Nice one!!!

What I do in this situation is to preheat the chip, run through all the pads with solder, put a stencil on top, then grab a huge blob of solder and run through all the pads again through the stencil.

you need more time just to finish 1 ic

To be fair rather than doing this I'd prefer repairing another customer's device and waiting for what I need, unless I even forgot to order it

I think a safety razor blade would have been a better way than sanding as it wont destroy the stencil.

I thought that a stencil was unavailable?

I don't understand, was he adding solder in the first 12 minutes or taking it off with the soldering iron. Was that solder wire or some sort of flux?

What’s the point if you’re going to use a stencil eventually?!

New to the channel, thank you so much for this. Amazing and love the quality and content! keep it up.

Wait if you need a stencil to do this method then why wouldnt you just use the stencil for the first step also. Am i missing something? If you need a stencil to do the nonstencil method isnt that the same as doing it with a stencil?

Nice work! Hand reballing requires a patience that I lack despite being a fairly patient person, haha.

Also, while "solder fumes" are disgusting and bad for your lungs/health, they contain zero lead. This is a common and massive misconception about soldering. It's entirely the flux fumes as lead cannot vaporize anywhere near the temp your iron/hot air can get. It's not even close so don't eat the solder, wash your hands/wear gloves and you're ok with regard to lead. The smoke is burning flux, be it extra applied or burning from the core of flux applied within most solder. Again, that does contain many nasty chemicals so absolutely have an extraction setup of some kind.

Its not lead fume come on. Lead boiling temperature is over 1500degC. The fumes is mostly flux and whatever other additives are in the flux and solder. Still nasty and shouldn't breath it but doubt there is lead in it.

Hi Justin, I tried this technique but the solder doesnt want to stick to all pads 😞...what am I doing wrong

Very nice work. By the way, with just a couple of pc case fans, or psu fans, whatever, plus a box & pieces of old cloths, you can make a very usefull & filtered fume extractor (...not for take the fumes to the rest of your workshop or home :). Just clean & change the cloths from time to time, this thing changed my life. There're lots of tutos about diy extractors overhere. Cheers.

Thanks Justin

Reballing should not take that long I can do it in less than 2 minutes. As for his comments regarding fumes and the health hazards of lead, it is the flux that is harmful due to the solvents that are added to essentially pine sap, which is the main ingredient. The more flux you use the more harmful it is. It can cause respiratory problems. Lead soldering does get hot enough to the point where it can cause harm, although you should wash your hands if you are handling solder without gloves.

doesn't heating so many times that chip destroying it???

Nice video buddy n this is not just an average video n it's think different type. Keep it up n thx for sharing ur knowledge

Flux fumes can contain lead. But some want to delude themselves and this is not a joking matter. So if you think lead is not carried in the fume plume, you just keep on deluding yourself. Irregardless, the fumes are noxious and the contents therein will cause you health problems. Fume extraction is not an option, it is mandatory for your safety and well being. Poo pooing safety is not a good idea. I have a hood on my drawing board and that is next on my agenda.

Nice to know! Thanks Justin!

Pakai plat jugak...igat handal sagat

Solder fumes are not lead, it is technically flux fumes. Great video though :)

Nice!!!

I do this all the time. With 80% success . But I don't do it to be permanent. Mainly for data recovery and small chips. I won't do this on chips with many pads with small spacing

I like the smell

painfull?

Com guessing that flux fumes mean nothing, okay.

What is that tool you used to apply the flux

Awesome, Justin. Thank you!

try wet/dry paper 1000 or 1500 grit ;)

Cool video but I don't see this working in any repair situations, especially since the nowaday BGA ICs are usually not as free spaced as the IC you were working with, this looks very similar to the nand flash IC on the iphone series, and you could never apply this technique on any other ICs in a phone due to that.

Hi. What soldering iron and tip did you use?

funny, I was holding my breath watching it..

Running a blade over the stencil is quicker and won't destroy a stencil like sandpaper will, also use a wider tip and make life easier on yourself

my way - apply flux, make big ball from solder wire, apply solder from 2mm above board using big ball. 2 min method.

I couldn't see any technique, waste time.

Great work!

It's good man ...the spray you used for ic chip what is the name please and any picture please

Great video! but quick question: without adding additional solder paste to fill into the stencil holes for each balls are these solder balls high/ large enough to make good connection to the pad? They are evenly high for sure by using your way. Or, the size of the solder balls don't matter as long as they are even in high? Thank you for the upload of this video!

lol@psa... it's not the lead that's the cause derp, it's the flux, and rosin, and the lead itself isn't gassing off. The main reason you use a filter, again, isn't because of the lead, but because of the corrosive nature of the flux.

Ipbox v2 work until today bro? Becasuse i use before and get error 40.. how about you?