Questions tagged [pcb-fabrication]

About the manufacturing of PCBs (Printed Circuit Boards).

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5
votes
4answers
1k views

Low-cost PCB prototyping [closed]

I work in a research lab where we occasionally need to develop electronic driver boards for quantum cascade lasers. The type of signal these handle are digital data streams up to around 10 MHz and ...
2
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1answer
2k views

Toner Transfer + GBC Creative 9 Laminator: GBC Mod Question

After receiving a ton of feedback from this post, I decided to give the old toner method a try once again. I grabbed a GBC Creative 9 laminator off of Amazon for $23 and am now looking to modify it to ...
1
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3answers
1k views

Using a heat gun to transfer toner onto DIY PCB?

Is it possible/practical to use a heat gun instead of an iron to transfer toner when making your own PCBs? Can you get a uniform heat pattern without for a small board? Is enough heat applied from ...
7
votes
5answers
8k views

Soldermask at home?

I am interested in putting that nice green / red soldermask on the PCBs that I make at home. The problem is I can't find a lot of information on it, like where to buy it, etc. Do any hobbyists ...
3
votes
3answers
12k views

How to convert PDF to Gerber for PCB layout?

I've got a PDF file with a PCB layout I'de like to produce - however, I need the file in Gerber format first. Is there an easy way to convert between the two? I've found this: https://swannman....
12
votes
4answers
4k views

What standard PCB notes should I use?

I have seen wide varieties at previous companies, from too few to too many with boilerplate, old revisions of standards, etc. Can you suggest a middle of the road list? This is for regular PCB ...
4
votes
3answers
478 views

Improving ease-of-soldering in home-made boards

I am making a PCB with a subtractive PCB mill, and I am having difficulty soldering some components to the finished copper. The solder isn't flowing onto the traces easily, and by the time it does ...
111
votes
8answers
36k views

Best One-Off DIY PCB Creation Technique

I have finally built up a lab to design electronics in. I have quite a few designs I would like to test. I have tried the printer toner/iron technique a few times but have found that I cannot create ...
-1
votes
1answer
585 views

Recad laptop motherboard PCB?

I have taken an interest in a current effort to create a (mini- or micro-) ATX motherboard with a custom CPU. But ideally, I would want this system in a laptop instead. I got this idea, how hard ...
2
votes
1answer
276 views

Photoresist for PCB patterning

Anybody has reference of the what chemicals photoresist for PCB patterning are made of? I would like something as specific as possible. No brand names please. Peer reviewed papers would be awesome.
3
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5answers
3k views

What's Special about Resist Pens?

Just what is special about the resist pens used to draw directly on PCBs before etching? Would a permanent marker work as well, or some other kind pen or marker? Naturally I have in mind something ...
20
votes
6answers
79k views

Standard via sizes?

Is there a standard for via sizes, or can you make them any size you want? (I'm going to be using traditional PCB houses to manufacture my PCB's.)
3
votes
3answers
600 views

General tips for 4 layer boards

For my Super OSD Pro project (Super OSD is divided into two versions: Lite and Pro) I'm going to be using a 4-layer board. Are there any gotchas to be aware of when using 4 layer boards? I was ...
7
votes
5answers
12k views

How close is too close for traces on a PCB?

Are these traces too close for conventional PCB manufacture? DRC check advises against it, but I haven't filled out all the settings for it. For scale, the resistors are all 0603.
9
votes
5answers
471 views

Launching a new product as a student

I'm a student living in the UK. I have this great idea for a product that fills a niche market and it interests me. It's a powerful on screen display module with datalogging capabilities, and it's ...
11
votes
12answers
9k views

Moderately priced 6-layer PCB fab?

I have a board I'm working on with a coworker; we are debating whether to go 4-layer or 6-layer board, and would like to use 6-layer but haven't found a reasonably priced fab house. Is there any ...
18
votes
13answers
5k views

Recommended PCB houses / Assemblers [closed]

Can anyone recommend a good place to go making PCB's? I'm particularly interested in places that also offer assembly, because this makes SMD parts an option. GoldPhoenix is an option, but not the ...
7
votes
2answers
379 views

How can I print a grid of PDF PCBs

I have a PDF of a PCB I want to etch using toner transfer (photo inkjet paper in a laser printer). The design is fairly small, but I have 8.5x11 paper. What I'd like to do is print a grid of the ...
10
votes
6answers
3k views

How much does it cost to etch your own PCBs?

I am at the point that my projects are becoming limited by the space on my breadboard. Rather than buying more, I have decided to look into PCB fabrication. My question is this: is it cheaper to make ...
56
votes
16answers
73k views

How do you cut PCB?

I just spent about 20 minutes trying to cut through a PCB with a hacksaw. These things are really tough. What is the correct tool to cut PCB material, and get a nice straight line? I saw something ...
7
votes
5answers
1k views

PCB etching with transparent film

After etching a PCB I discovered a big spot across some of the traces - probably from a finger. I transferred the PCB layout from a transparent film. What would be the best way to remove "finger" ...
12
votes
7answers
1k views

Custom PCBs… what can go wrong?

I'm anxiously awaiting the delivery of my second set of custom designed PCBs from BatchPCB. The first board I designed was pretty darn simple and didn't have any problems. This second set includes a ...