Questions tagged [manufacturing]
The manufacturing tag has no usage guidance.
244
questions
1
vote
0
answers
46
views
What is different in the manufacturing of differently rated MOSFETs?
The IRF540N is one of the MOSFETs I'm using, and the IRF510N. Both look exactly the same from the outside because they use the same packaging, but they are rated for different power levels.
For ...
- 13
2
votes
4
answers
451
views
Using a Schmitt trigger IC vs making one from op-amps or transistors
In a professional setting, what is the benefit of using a Schmitt trigger IC as opposed to making one from op-amps or transistors? In a high volume application, wouldn't an op-amp implementation be ...
- 31
0
votes
0
answers
71
views
Reed Switch Selection - Quality Control
I have a piece of hardware which uses reed switches and neodymium magnets. When I attempt to produce this hardware in batches I find that some reed switches that I have are more sensitive than others ...
1
vote
1
answer
350
views
How to design this kind of blade antenna? How does it even work?
I've recently stumbled upon this kind of blade antenna:
And I'm wondering how does it work? The entire thing seems to be made of CNC milled / cast metal, making the radiating element and the ground ...
- 61
0
votes
2
answers
125
views
How good are current PCB debugging tools? [closed]
I'm a newbie in the field of manufacturing, and I'm hoping to get a broad understanding of the field. After you get PCBs manufactured, I understand that you need to check for mechanical damage, ...
1
vote
3
answers
610
views
Altium component rotation on the PCB does not match the pick-and-place data
I am generating files for manufacturing my design in Altium 22 and ordering through Eurocircuits.
What I noticed during the ordering process is that the rotation of many components (and sometimes the ...
- 572
0
votes
0
answers
60
views
What is Electromagnetic Cross Section?
What is Electromagnetic Cross Section?
(shock section)
Hello, I have a question regarding the manufacturing process of electronic components in the case of the silicon deposition and corrosion process....
- 371
0
votes
1
answer
172
views
How were the phosphors applied to the inside glass tube of older colour CRTs?
I've been reading into how CRTs were assembled and how they work, but I can't seem to find any concise information behind how the coloured phosphors inside the inner glass tube were applied. There is ...
10
votes
5
answers
2k
views
ADC stops functioning when cold
EDIT: VERY INTERESTING TEST RESULTS
I just tried inducing the thermal failure using an inverted "can of air" (likely difluoroethane). It even when its super cold, (might even be below -40C), ...
- 449
6
votes
7
answers
2k
views
Component Tolerance Probability
This is more of a manufacturing question than anything else.
What is the probability distribution of component tolerances?
For example, let's say I ordered a 100 ohm, 5% resistor, and I order 100 ...
- 170
12
votes
1
answer
708
views
What are the ways in which semiconductor-grade neon is critical for manufacturing?
This is a question about material use specifically in semiconductor manufacturing.
CNN's Ukraine halts half of world's neon output for chips, clouding outlook begins:
Ukraine's two leading suppliers ...
- 3,439
1
vote
1
answer
296
views
Soldermask bridge gap too small - PCBWAY
I've got a PCB design which contains a chip that uses the QFN (7x7) package.
Because of the package size the pins are very close together and the pads are 0.2mm apart, which is smaller than the ...
- 131
0
votes
1
answer
29
views
Are there any resources on Column Last Attach Process? [closed]
I am trying to find resources about this process, but the only thing I have been able to find is the full form of the acronym CLAP any help is appreciated.
This process is used vehemently in the ...
- 312
2
votes
2
answers
1k
views
Why is that vias are generally made of tungsten while contact is made using aluminum?
From this thread:
...
- 300
0
votes
1
answer
57
views
IPC standards to ask manufacturer to assure a PCBA is correctly manufactured?
I'm preparing all the documentation to send to my PCBA manufacturing supplier and I wonder if there's a list of IPC standards to include in this documentation and verify they are compliant to them and ...
- 143