All Questions
Tagged with manufacturing pcb
63
questions
39
votes
7
answers
3k
views
How do I make sure my electronics design is good from manufacturing perspective? [closed]
I am a beginner in electronics design. I have some experience with fairly complex PCB design. I want to design a product that will hopefully sell a lot. How do I ensure that the design is inexpensive ...
- 491
35
votes
2
answers
3k
views
What's the purpose of this checkerboard pattern?
This gigabit Ethernet NIC has a checkerboard pattern out of copper etched on the PCB:
Each square is electrically isolated. What's the point of adding these? I guess that the PCB isn't filled with a ...
- 635
24
votes
6
answers
5k
views
Writable area on a PCB
I would like to create an area on my PCB where you can write on with a pen.
Is this possible, and if so how should I do it?
- 393
22
votes
4
answers
2k
views
Environmentally sustainable electronics
I am part of my company's work to become more environmentally friendly and sustainable. On a high level for the company that means pursuing ISO certifications (such as ISO 14001) and working according ...
- 607
21
votes
2
answers
14k
views
How are vias made commercially?
How are or were vias made commercially?
Wikipedia (http://en.wikipedia.org/wiki/Via_(electronics)) mentions
"The hole is made conductive by electroplating, or is lined with a tube or a rivet"
Can ...
- 418
18
votes
9
answers
2k
views
How can I successfully make a PCB at home?
I have tried several times, unsuccessfully, to manufacture a PCB at home. A lot of the other questions are about improving PCB performance and such, but I can rarely, if ever, even get the ink to ...
- 1,201
18
votes
5
answers
17k
views
Plated Through Hole at home?
Is it possible to make PTH (Plated Thorugh Hole) at home?
Can somebody explain the procedure?
- 315
14
votes
2
answers
6k
views
Mounting components on both sides of a PCB
I'm designing a PCB with a microcontroller ,CAN transceiver, sensor (I2C) and linear regulator. I want to make the PCB as small as possible, so my thoughts were to use both sides of a two layer stack ...
- 690
14
votes
1
answer
28k
views
Solder Mask and Cream in Eagle
I've got this part specification for the Paste Mask excerpted from the datasheet:
There's a lot of lingo in this short paragraph that I would like to better understand conceptually. Specifically I ...
- 22.8k
13
votes
3
answers
7k
views
How does E-Test at a PCB Fab work?
I always see the option for E-testing when sending PCB's off to a fab house. I gather it is an electrical test to test all the connections. But how do they do it? They don't have my schematic! Only ...
- 3,834
11
votes
3
answers
1k
views
What exactly makes small quantity PCB production costly compared to large quantity PCB production?
The per-PCB cost of manufacturing a small number of PCB is 10 times or more compared to the per-PCB cost of manufacturing a large number of PCBs.
So what is it exactly that adds to the cost?
People ...
- 135
10
votes
1
answer
3k
views
Which is better - components on both sides or components on one side of the PCB?
I am working on a PCB design. 50k PCBs will be produced.
SMD components: 100
Through-hole components: 25
I need to minimize PCB size. There are no high-speed signals or sensitive signals in the ...
- 362
9
votes
3
answers
2k
views
Anyone know the premise of this PCB assembly note?
The assembly note states:
Bake bare PCBs in a clean and well ventilated oven prior to assembly at 125*C for 24 hours.
Why is this necessary?
- 312
9
votes
2
answers
12k
views
Rounded corners in Cadsoft Eagle
I am sending off a pcb for manufactering, but it would be nice to round off the corners for them to mill off.
How can I make nice rounded corners? I have used the three point arc thing before but I ...
- 375
8
votes
3
answers
4k
views
What is this small unconnected solder blob on this PCB?
There's a small solder blob in the middle of this one-sided PCB (a switch-mode power supply), surrounded by unmasked board. The blob is 1.5mm in diameter, and the non-masked area is 4mm in diameter. ...
- 486