All Questions
7
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
22
votes
7
answers
7k
views
In PCBs, why is copper etched away instead of added?
I know that in virtually every case, PCBs start as a substrate with a layer of copper laminated on top, which is then etched away, leaving the traces. But why are the traces not added on an empty ...
- 757
6
votes
2
answers
3k
views
Ferric Chloride Etchant Disposal
I am a beginner with PCBs and wanted to start making some. But before I did, I wanted to make sure I was completely prepared. I just wanted to make sure that the information I have is correct and had ...
- 63
1
vote
3
answers
381
views
Is a cosmetic logotype on an outer copper layer a bad idea?
I've seen many people add logotypes and other graphics in the copper layers of PCBs, often also removing the solder mask in these places to expose the bare (or rather plated) copper.
Is there ...
- 459
2
votes
2
answers
3k
views
How to remove Kapton polyimide film from Pyralux cupper sheet?
I want to etch Pyralux sheet and will follow this tutorial. The sheet I want to try is LF9120R and it is 1 oz of copper per square ft (or 305g/m^2). They describe ...
- 829
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, ...
