Electronics Forum | Sun Aug 30 17:31:15 EDT 2020 | kylehunter
Hi all, (I posted on eevblog also, figured I'd try hear as well since this seems like a semi "niche" question) I need some advice on PCB cleaning. Up to this point, our assembly line has strictly run NC paste, with all SMT parts. We never washed an
Electronics Forum | Tue Feb 09 18:53:20 EST 2021 | SMTA-64387083
You'll have to do at least 2up array since most conveyors won't handle boards less than 2in wide. I'm assuming it's FR4 lead free temperature material and PCB's are scored in the panel. The 13-16in lengths aren't a problem other than depaneling. With
Electronics Forum | Thu May 13 09:52:34 EDT 2021 | winston_one
Want to update this question a little, I know it appears few years ago, but I hope there is some updates... We have to assembly few samples of motherboards with this kind of finish (customer mistake during pcb order). Normally we can use leaded sold
Electronics Forum | Mon May 24 05:56:59 EDT 2021 | bukas
hello James, you should be getting error message " no pneumatic pressure " when trying to get machine into READY state with no air supply. maybe you should check HDD health. while you are there, make HDD backup; and if machine uses ATA driv
Electronics Forum | Thu Sep 09 14:50:31 EDT 2021 | kumarb
more... if you want to source from the #1 PCB shop in China, then there is Shennan Circuits. Again, unless you have very high annual volumes, they will not deal direct. Shennan builds PCBs for the military, medical and other high profile accounts.
Electronics Forum | Thu Sep 23 19:52:12 EDT 2021 | stephendo
If you like that one then you might also like this one. https://www.topline.tv/products.cfm A few lifetimes ago,I would always make sure I had a copy of the Topline brochure. They make dummy parts and their borchure had them organised nicely. You w
Electronics Forum | Thu Oct 21 21:07:13 EDT 2021 | llawrence
Hi, Early this year, the company I work for released its first product using PCBs with SMT assembly. These boards are relatively simple with less than 30 components, mostly 0603 size resistors and capacitors with a few SOIC and one LQFP chip. These
Electronics Forum | Mon Nov 08 14:45:19 EST 2021 | nparo
Greetings, I have an AOI machine that I am programming however I have ran into an issue with the board grab function. I an creating a new program and the screen should show the camera image and allow me to grab the board corners and create the image
Electronics Forum | Mon Dec 06 14:44:41 EST 2021 | dwl
1 to 1 stencil aperture to pad should be fine on the gull leads, and yield 100% coverage with leaded solder. The thermal pad is going to be a challenge though, if you truly need 100% coverage. There will be out gassing from the flux and this will nee
Electronics Forum | Mon Jan 10 03:45:23 EST 2022 | proy
YES there is an IPC target/acceptable spec In general terms the barrel thickness in the hole should be 1 mil (thou). IPC has an allowable limit lower around .75 with some other factors. I have been checking barrel plating on all incoming boards since
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