Electronics Forum | Thu Mar 28 13:19:14 EDT 2019 | davef
There is no industry standard for BTC stand-off height. "IPC-7093A Design and Assembly Process Implementation for Bottom Termination SMT (BTC) Components" just finished "Final Draft for Industry Review" in December 2018. It mentions stand-off height
Electronics Forum | Fri Nov 15 03:56:26 EST 2019 | SMTA-Bob
We covered this in a past webinar on flexible and thin board assembly I presented. The webinar is available from my archive of recordings Its also covered in the Joe Fjelstad's book on flexible circuits which is free online if you do a search. I wr
Electronics Forum | Wed Jan 08 16:27:11 EST 2020 | rmitchell
We have a PCB with the dual sided connector that slides on from the edge and has leads on the top and bottom sides of the PCB. It has 20 leads on each side of the PCB with with about .8mm pitch. The PCB also has a gold grounding strip on the edge fo
Electronics Forum | Wed Apr 15 18:37:15 EDT 2020 | unisoft
The point here is if you can't get the full CAD files or the XY rotation files and all you get his Gerbers and a BOM. Most all contract manufacturers and some OEM's at some time or another have to deal with Gerber only files. If you find yourself i
Electronics Forum | Wed Feb 24 15:30:58 EST 2021 | marcelorotofrance
Some of our coleages bought used Samsung from China instead US or EU dealers. Those machines came demolished! It looks like when Chinese buy used western machines, it is the end of the line for those P&P, they use em untill fall apart. Neoden have r
Electronics Forum | Wed Dec 06 05:50:42 EST 2023 | calebcsmt
For typical small sized circle LED panels, you can simply have a PCB routed to said circle... but when lighting fixtures are sizes 2-3 feet+, and a circular, typically how are the LEDs being spread across the radius? I can see flex LED strips being
Electronics Forum | Mon Jan 15 20:03:09 EST 2024 | griinder
Does anyone have experience of using a stainless Fine Grain SMT stencil for the purposes of applying ink to bare PCB's? We are exploring the possibility of getting a stencil to apply a letter that reflects the revision to each of 25 PCB's in a panel.
Electronics Forum | Mon Mar 13 08:59:20 EST 2000 | Ashok Dhawan
I could not find a specific clause or section in J-STD-001B which can relates to special requirements in storage, packing and handling of Moisture sensitive devices per J-Std-033 / 786A /-022 . I guess the way ESD is relevant to electronics assemb
Electronics Forum | Fri Mar 10 09:13:22 EST 2000 | Nancy V
Dave, Your response might have been helpful if you would have left off the extra, comical(?), comments. I am American and I still couldn't figure out what you were trying to say sometimes. Searching the web to find an ESD program and training seem
Electronics Forum | Thu Mar 02 14:33:26 EST 2000 | Doug Philbrick
I have a customer wanting to hide the identity of a particular component on a PCB assembly. The product cannot be potted and since the PCB is the product he doesn't want to pour over that one chip for aesthetics reasons. Any ideas on ways to permanen
