2008/08/01
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PCB using toner transfer method: video and comparison
by
Sébastien Lelong
—
posted at
2008-08-01 19:41
last modified
2009-09-11 07:56
Having recently tested a lot this method, I've finally determine my "easy and cheap" way to build PCB using toner transfer method. I tried a lot of things, different papers. I've also tested the professional photoengraving method, this one can be considered for the most accurate (but certainly not the cheapest).
So, what's the recipe ? This is closed to the last one, but now way faster, since only ~ 10 minutes are needed. Main difference is you don't have to be careful while peel off the paper, toner really sticks firmly, there's no risk damaging the tracks.
This video shows the whole recipe:
Now, as a conclusion, here's a comparison of different PCB creation techniques:
[EDIT 2009-09-10] : here are some photos of the glossy paper I use, hoping it'll help choose the correct type.
So, what's the recipe ? This is closed to the last one, but now way faster, since only ~ 10 minutes are needed. Main difference is you don't have to be careful while peel off the paper, toner really sticks firmly, there's no risk damaging the tracks.
- I use glossy photo paper for laser printer (135g/m2)
- wash your PCB board with soap, then with window cleaner (or detergent with alcohol).
- sandpaper your board with ultra thin paper (600, one used for body car)
- wash again the board with soap, then with window cleaner. It must absolutely be dry.
- preheat the board,
- place the paper on the board. Be careful, it'll instantly stick to the board.
- iron the paper., first smoothly to help paper to sitck firmly, then with a lot of pressure (~1min)
- continue with the iron tip, and redraw all the circuit (black tracks will appear through the paper), for ~4/5min.
- Ironing time: ~4/5min
- then place the board on hot water, no soap. Wait for ~ 3/4 minutes, watching the paper beeing soaked.
- peel-off the paper. Most can easily be removed, only the last layer, where the toner sticks, will mostly remain on the board.
- peel-off again the paper with a toothbrush. Don't hesitate, it won't damage your PCB.
- once done, dry the board. Check if you've missed some paper.
- clean the board with window cleaner. While it won't remove toner, it'll help to remove paper residue and get an accurate board.
- you're done. You'll then need to etch the board. Once done, remove the toner using acetone (nail polish remover works well)
This video shows the whole recipe:
Now, as a conclusion, here's a comparison of different PCB creation techniques:
| Photoengraving | Toner transfer with transparency | Toner transfer with photo inkjet paper | Toner transfer with photo laser paper | |
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[EDIT 2009-09-10] : here are some photos of the glossy paper I use, hoping it'll help choose the correct type.
- Category(s)
- Geek
- SirBot Project
and also tell about toner trasfer method and what paper is used
I've just finnished to make 3 pcb and all of them are almost perfect.
Thanks!
thanks
What is the brand name and model number of the paper you are using in this video?
I think that not all Glossy photo paper for laser will work the same.
The board did not need preheating. I just made sure the iron was hot and put it on half of the transfer while holding the other half in place and just worked the tip only for a couple minutes. I used the soap and windex and sanded with 1,000 grit before starting. The acetone did not work soo good I think because it was thick. I did use the acetone with the 1,000 grit again to sand it and it all removed in seconds.
Thank you soooo much again. I will utilize this every time and teach peopole the techniques for the future! :)
I have been using toner transfer method for pcb making since 1994. But after Trying Glossy Laser Photopaper for toner transfer as suggested by Mr. Lelong, I must say results were amazing with the accuracy of the tracks and overall neatness nearly if not totaly like photo transfer method.
Thanks and keep up the good work.!
Wirh Best Regards to everyone.
Ghazali Zuberi