Questions tagged [manufacturing]
The manufacturing tag has no usage guidance.
243
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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 ...
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What are the Pros/Cons of using an OTP vs a masked chip?
I work for a toy company and to date all of our electronics have used masked chips. This incurs a chip masking charge and a lead time of 45-60 days to mask and manufacture/program the chips.
Recently ...
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What manufacturing process produces resin coated chips in consumer toys?
I'm looking at high volume manufacturing and I notice that inside some consumer toys, there are chips which seem to be directly placed on the board and covered in resin. I know this has been done a ...
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how to, best way to use a linear actuator vs gear system? [closed]
I am wondering what is the best and cheap option to use in a crane like system.
a linear actuator or a gear rig system with an engine.
the weight at the end could be up to 100 pounds.
I was ...
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Manufacturing a device from off-the-shelf components [closed]
I pursue an experimental project that comprises the development of a car GPS navigation unit and software for it.
We develop and test the software on a working laptop-based prototype which has a USB-...
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How to make a device in miniSD or microSD form factor?
I would like to design and get produced a device in miniSD or microSD card form factor. This is not actually a memory card, it just uses that connector. There are other devices like that, for ...
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How do you "shrink" electronic components, such as transistors, resistors and diodes?
I realize that these components have been shrinking in size. How is this process done? Should all electrical engineers know this?
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1
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pcb etching paper and copper board
I would like manufacture a very simple one layer board to learn how a PCB is manufactured. I prepared the layout of the circuit on Eagle Cad, and am planning to use acid etching method: use iron to ...
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Pull Up and Pull Down Resistor Values [duplicate]
I usually use 10K Ohm resistors for pulling up or pulling down micro-controller lines. This is only because I have tons of them.
Recently while looking up pick and place surface mount information I ...
- 461
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2
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How to Reel parts from Cut-Tape?
How does Digi-Key make Digi-Reels (or Mouser make Mouser-Reels, or whatever)? That is to say, given parts in Cut-Tape form, what tools and additional materials are needed to add a leader to support ...
- 22.8k
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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
3
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4
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Do any SMT components require hand soldering due to heat limitations?
It has been claimed on another board that some SMT components cannot be used in an automated production line (i.e. reflow or wave soldering) because they cannot withstand the heat/temperature. Hand ...
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1
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how are chips and ics build [closed]
I want to know what is the process and how are chips and ics manufactured which are used on motherboards of computer systems is there some good tutorial available for same so that i can try building ...
- 133
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I have sketched my integrated circuit for an RFID tag. How do I make it to a real physical product?
I'm in a situation where I want to create a real prototype of an RFID tag. I have sketched all the IC in a paper. I got a problem, I want to build this to a real size RFID tag and we want to create ...
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Sensory Chess Board [duplicate]
Possible Duplicate:
Detecting object placement on a grid
How could a checkered chess board be built so that it knows the location of the pieces? What options are available? Probably RFID chips? ...
- 95