All Questions
Tagged with pcb-fabrication pcb-layers
79
questions
1
vote
0
answers
40
views
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?
- 11
0
votes
2
answers
86
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Is it possible to create new footprints and integrate additional components into an already manufactured PCB?
What is the most effective method to do so? I have enameled wire, which seems safer to me due to the insulation. My plan is to cover them with solder mask. However, I have a question: Would it be ...
- 145
1
vote
2
answers
95
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KiCAD: remove DNP components from paste layer
We have an adapter board that works as an interface between our own and third-party electronics. Depending on the third-party configuration about a third of somewhat expensive components may be unused....
- 12.9k
0
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26
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Gerber X1 to Gerber X2 [duplicate]
I have gerber files from a client. Their extensions are: .fph, .fpl, .pho, .rep, .drl, .lst, .dxf. Of these, I know .drl are the drill files and .dxf is the mechanical drawing. Also, there is a .fph ...
0
votes
1
answer
167
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PCB design - Routing without a schematic
I am using Altium CircuitMaker to design a PCB. I'm wondering if there's a way to make my PCB design without a schematic.
My idea is to simply make a PCB with just pads and populate it myself with the ...
- 41
8
votes
1
answer
633
views
PCB stencil layer for cutout
I ordered a multiple PCBs which all arrived fine. I never included a stencil because of the high cost for it compared to the PCBs. Now I combined a few board designs to fit on a single stencil, so I ...
- 103
1
vote
1
answer
199
views
Drilled vs micro vias
I understand there are regular PTH vias drilled once all layers are stacked together then plated (e.g. the Thru 1:9 via on the left of the image below)
There are also Blind vias which are drilled into ...
- 412
2
votes
1
answer
241
views
What should be the recommended PCB thickness for a circuit involving mains voltage, with 4 layers?
The PCB manufacturer has asked if they can use thickness of 1.6mm, but my total stack-up thickness is 1.8mm.
This is the current stack up
What additional considerations should I take into account to ...
- 89
2
votes
1
answer
105
views
PCB copper edge for delivering power
I want to tell a PCB manufacturer to create copper edges for the PCB that should pass power from USB Type-C connector that is connected to USB PD charger:
This power module will be soldered to ...
- 1,067
0
votes
0
answers
430
views
Altium layer stack manager problem (change thickness, save it but after I close and open Altium again it doesn't change)
I want to explain the problem directly.
I have a two layer PCB. I want to change the dielectric layer thickness to make my PCB's thickness 1.5mm.
Access to "C:\Program Files\Altium\AD22\filename....
4
votes
2
answers
3k
views
What is the Fab layer used for (PCB)?
What is the Fab layer used for in PCB design? What should it include?
- 165
1
vote
1
answer
197
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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 ...
3
votes
1
answer
522
views
Two layer PCB vs. four layer PCB for simple design with 30A current
I have a design which is literally just 2 connectors (input and output), a relay and a diode. Basically using the relay to connect a charger to a battery.
The board size is predetermined and I can't ...
- 757
0
votes
0
answers
87
views
Exported same file in Gerber X2 and ODB++ and diffrent result
Using Altium I exported the same PCB in Gerber X2 and ODB++ and sent it to production (so they could choose what file format they preferred).
The manufacturer came back asking why the design did not ...
- 89
2
votes
1
answer
110
views
Greener way to design a PCB
Lets say we are designing a very simple PCB and there is a layer(s) where not much is going on, from an environmental perspective alone would it be better to leave the layer with a large ground copper ...
- 649