Questions tagged [pcb-fabrication]
About the manufacturing of PCBs (Printed Circuit Boards).
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I need help with Eagle CAD how do you edit silk screen how to add copper to the empty spaces
Like the title describes, these are two things I need to know how to do in eagle.
Any pointers?
P.S. if anyone knows a tricky way to get an image into the silk screen, it would be amazing.
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Remove Unused Pad/ Via
I want to make remove unused pad/via at inner layer in order to increase area. But I wonder that does it cause problems in terms of IPC Class-III or PCB manufacturing?
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PCB Silkscreen Marking
Today, I came on a PC board and the silkscreen marking have TG on it. What is the component for TG?
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How to cover thermal vias in design spark pcb
I am trying to cover the vias on my PCB using the solder mask however when I upload the PCB to a manufacturer's website the vias are not covered. I am using DesignSpark PCB software
There is a post in ...
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Split / combine a larger printed circuit board from smaller boards
I have plans for a large PCB (~12".) Some sections of this board are modular - they have a very similar design. To lower the price, is it feasible to split one big board into smaller, modular ...
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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....
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Aspect ratio and different vias width
I've recently been looking into the width of vias, and could use the feedback of more experienced designers.
Through-hole vias :
I've read that for through-hole vias, the way to go is 8:1 (so if your ...
CommunityBot
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Fusion 360 Board Panelization
I'm working on panelizing a PCB designed in Fusion 360. While I'm aware of external tools for panelizing Gerber files, I'd like to explore options within Fusion 360.
Does anyone know if Fusion 360 ...
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tear drops disappearing during mirroring in altium
I have recently faced a problem...whenever I mirror my pcb by using the shortcut>>M+i
all of the tear drops which are defined in my design will be disappeared! does anyone know why this problem ...
CommunityBot
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Manufacturing PCBs for DDR3 memory
I'm currently designing a 4-layer PCB for a SOC (Allwinner A33 to be precise, 0.8mm-pitch BGA) with one DDR3 chip. Per DDR3 routing requirements, the traces need to have 50-ohm impedance. Also, they ...
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Is it okay for two pads F.MASK to overlap each other in Kicad
I made a new footprint for XL-0807RGBC-WS2812B based on this datasheet.
When I place this footprint in PCB editor the F.Mask for the pads on this component overlaps each other.
Is this okay?
I assume ...
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FlatCAM 8.994 Beta- Gerber copper layers not shown in Plot Area
I am learning to CNC mill my first PCB. As project to learn it, I have chosen the QuinLED V2.6 PCB, which should have wide enough traces and pads to work as milled board hopefully.
This is what I see ...
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PCB etching just not working, noob needs help
I am trying to DIY make a PCB at home following this tutorial.
There are some problems:
I could not order the stuff from the YouTube description because
Tools & Materials:
-) Photopositive PCB ...
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Modelling a single trace PCB?
I am trying to model a PCB trace as a R, L, C circuit.
Assumption: My PCB has a a single trace running through it. Just giving input from one side and taking output from other. There is not even a GND ...
CommunityBot
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What is Copper Thieving and why use it?
On many boards I've seen, there are little copper dots used for the purpose of "Copper Thieving". They're small round copper dots connected to nothing and arranged in an array. Supposedly they're for ...
