All Questions
Tagged with copper pcb-fabrication
6
questions
2
votes
2
answers
185
views
Problem in etching a PCB
I was working on making my own PCB but faced a problem during etching. I used an iron to transfer the circuit to the copper board, some of the sketch wasn't fine so I used a permanent marker to make ...
- 671
2
votes
1
answer
98
views
Best ways to mask missing toner after toner transfer PCB etching
I want to make a general guide for masking the missing toner on copper clad after toner transfer.
The masking methods I know so far:
Permanent marker (some say it doesn't work, I am intimidated by it ...
- 663
4
votes
2
answers
424
views
Why did the liquid tin evaporate off my board when soldering?
On the weekend I designed and etched a tiny little 12V booster circuit for an OLED. To prevent the traces from oxidising in the future, I removed the leftover ink after etching and placed the board in ...
- 620
1
vote
2
answers
256
views
Reasons for using no conductor finish on PCB
Some PCB manufacturers, such as Eurocircuits or PCBWay, offer the choice of no conductor finish (vs ENIG, HASL, Immersion Tin, OSP or others). Since this option is not often chosen, it raises the ...
- 11
4
votes
1
answer
2k
views
Can Silkscreen Go Directly Onto Copper PCB Layer? (No SolderMask)
Hi I am wondering if a PCB silkscreen layer can be printed directly onto a copper layer without a solder mask. I don't see this often but I have a design for which this would be useful. Has anyone ...
- 151
3
votes
1
answer
796
views
Apply etch resist on copper
I cannot get my toner etch resist on to my copper board. I'm doing with the iron, but each time I try the ink does not transfer completely.
I've tried many things - applying some water on it, ...
