Questions tagged [manufacturing]
The manufacturing tag has no usage guidance.
33
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194
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How much does it cost to have a custom ASIC made?
I have browsed several ASIC manufacturer's webs, but I haven't found an actual number.
I assume there would be a fixed cost associated with creating masks and such and then there will be a cost per ...
- 3,226
49
votes
13
answers
10k
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How to go from newbie to manufactured?
I'm a software guy who wants to get into the hardware side of things so I can enjoy the same creativity from software design in the physical world.
I've found plenty of posts here regarding how to ...
- 593
39
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7
answers
3k
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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
3
votes
1
answer
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JL (or maybe something else) misterious branded IC's, what is the origin? [closed]
Edit 12/31/2019: Thanks to Mariano Dupont:
Found it: Zhuhai Jieli Technology zh-jieli.com
Take a look at this example of an IC found on a circuit board:
Brand is found on many PCB's of Chinese/...
- 1,355
0
votes
1
answer
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Half-etched fiducials Vs through-cut fiducials
While making PCB, I added 8 fiducials (fids) marks so that pick and place machines use these marks as referent points on the PCB to position the surface mount components (Packages) during assembly.
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55
votes
7
answers
18k
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Why don't we make CPUs with 1000s of layers to make use of space in the third dimension?
I am wondering why don't we make processors such as CPUs with 1000s of stacked layers to make use of space in the third dimension now that we have three-dimensional transistors. To be clear I'm ...
- 689
35
votes
2
answers
3k
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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
31
votes
4
answers
6k
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Why are most COB LEDs physically yellow?
Many "LEDs" found on devices nowadays appear to be yellow where the light comes from (when the device is off). Why yellow?
I put LEDs in quotes because COB leds can consist of many ...
- 5,172
20
votes
5
answers
3k
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Why are MAX-, AD-, LT- parts (among others) so expensive?
I'm curious why some IC manufacturers like Maxim, Analog Devices, and Linear Tech's parts are so expensive? I know they are much higher quality (better electrical characteristics, etc), but for some ...
- 6,184
18
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9
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2k
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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 ...
- 1,191
17
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6
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How can I evaluate or speculate on a part's production lifetime for long term part sourcing?
Suppose I have an idea for a product, where if it were successful, would be in production for 5-10 years. How can I make decisions on what parts to use now such that they will still be available to ...
- 4,258
17
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7
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Why are we still using resistors with 5% tolerance while they can even manufacture a 14.318182MHz crystal?
Year is 2012 and I can only find 5%-tol resistors in the local market. They can make transistors at molecular scale, they can manufacture 14.318182MHz crystals, they can place trillions of flip-flops ...
- 14.1k
15
votes
4
answers
1k
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How can I go from prototype to commercial product?
I have made many designs that I would consider "professional grade", but in reality they are still just prototypes. I have used professional board fabs and professional population, but what I haven't ...
- 17.6k
14
votes
3
answers
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LEDs no longer bang - or whimper!
I volunteer at a club to teach Arduino programming to teens. As part of that, of course, I talk about voltage, current and what not to do. My prime example is taking an LED, putting it directly across ...
- 1,493
14
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1
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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