mramos1 said:
Now if it really comes off in 1 minute, no rubbing it and the cost is fair per sheet?
I wait 5 minutes for the 500 sheets for $8US to come off (and it would work better if I would wait longer like Hero999 says).
What do you pay for their product per sheet?
The blue press-n-peel was $1 a sheet when I tried it.
Yes in warm water if floats up in about 1 minute, no more then 2, more like 1.
The green stuff/foil seals the toner to prevent holes in the traces. I do not think you can get the very fine lines to work well without it. A second layer of green foil helps make up for a some what tired (edit: not new) cartridge. The green foil sticks to sharpie marker ink so you can still touch up artwork. It is rare that you need to do touchup. The key is to not touch the board or paper once they are clean.
DigiKey and Mouser carry it, here are the Mouser numbers
5165-TTS10 TTS-10 Unspecified
Toner Transfer Paper TONER TRANSFER 10SHT
1: $14.95
5165-GTRF GREENTRF
TONER REACTIVE FOIL GREEN 8 x15'
$9.13
5165-WTRF WHITETRF
TONER RECACTIVE FOIL WHITE 8 x 15' ROLL
$9.13
You need the Paper and the Green Foil so a set is bit under 25$ US.
There are 10 sheets of paper so it is about $2.50 a sheet including the foil. That works out to 0.25$ US per square inch.
Maybe I am a clutz but I could never run lines between pads prior to using this system. Now I do it without thinking. The example in my last posting shows where they ran
2 lines between pads without shrinking the pads. Given how fine the detail is, and how easy it is to use, it is a bargain.
I use laserjet mailing labels as tape in that it does not gum up the printer or laminator in the following.
- Print out the EagleCad artwork on regular paper.
- Cut transfer paper to size and tape top edge over image on regular paper.
- Set the printer to darkest output.
- Print EagleCad artwork on transfer paper.
- Cut PCB to size.
- Tape transfer paper with image to PCB.
- Run PCB with paper through laminator twice.
- Put cooled PCB in water to lift transfer paper.
- Dry PCB.
- Cut two sheets of green foil.
- Attach first foil to PCB with mailing label.
- Laminalte twice.
- Cool and peel off foil.
- Attach 2nd foil to PCB with mailing label.
- Cool and peel.
- (2 sided board only) cover back side with box tape.
- Etch with small sponge and ferric chloride.
- Remove box tape.
- Remove artwork with acetone.
- Drill.
- Single sided board stop here.
- Print top artwork on regular paper.
- Cut transfer paper to size.
- Tape transfer paper image over image on regular paper.
- Using bright light (light table if you have one) align the artwork on the transfer paper to the holes on the PCB.
- Attach with mailing label.
- Continue as you did on first side.
- Set the printer back to normal output.
See pulsar for exact direction. They have pictures.
It seems like a lot of steps but they go fast, even the etching is quick esp with 2 oz copper. In the time I took to write this reply I could have made (but not drilled) several boards if the laminator or iron was hot.
It goes even faster if you make a few boards at a time. While one board is cooling or sitting in the water you can work on the next one. The list looks long but, you can make a single sided board in about 15 minutes once you get the hang of it.
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