Electronics Forum | Mon May 13 06:38:41 EDT 2019 | relaycz
You need to give us a little more information. 1. What is the size of your panel? 2. Are there any heavy components? 3. What is the thickness of your board panel? 4. What kind of oven are you using? 5. Is it only a recent problem or ongoing one?
Electronics Forum | Sat Jan 08 06:46:33 EST 2022 | jineshjpr
Hi anyone knows what is the minimum copper foil thickness available across the industries to make PCB surface. Intention is to achieve 23 microns of finished copper thickness in a 0.3mm thickness PCB. Ideally if 3 microns plates are available, additi
Electronics Forum | Tue Jan 09 01:39:41 EST 2018 | jaisabaigroup
Is there any regulation I can check on the Solder mark thickness specification? Or it is depends on PCB manufacturer's design.
Electronics Forum | Tue Jan 31 13:55:56 EST 2006 | samir
Anyone know what the general rules / requirements are for micro-BGA's and CSP's as to when capillary underfill is required? (ie size of bump/ball, package thickness, PCB/CSP thickness ratios, etc).
Electronics Forum | Tue Jul 12 10:41:35 EDT 2016 | bradholland
oh i did not enter the pcb thickness. it is set to 0.0 I thought this was only to be changed for non standard pcb thicknesses. So, with the pcb being 1.6mm this is probably the answer. I guess this means I'm dumb..
Electronics Forum | Sun May 24 21:12:59 EDT 2009 | keith78
I have a problem recently to qualify QFN package on solder joint reliability. The pcb thickness stated in IPC-9701 is 2.35mm but from the in-house test, QFN surface mount on 2.35mm thickness PCB board have a short cycle to failure due to higher CTE m
Electronics Forum | Tue Aug 04 13:45:03 EDT 2020 | oxygensmd
There are one value for thickness during PCB-teach function which is the PCB thickness. The other one is the camera focus in machine option but it is a dangerous function because the camera focus is adjusted by raising/lowering table.
Electronics Forum | Mon Jan 21 17:59:11 EST 2013 | jorge_quijano
I had a similar situation with a very thick PCB (0.23") I could not get a TAL lower than 160 sec, I've spoken with my paste supplier about this issue and we have made some adjustments on the oven and we could lower it to 145 sec, I know it is higher
Electronics Forum | Mon Jan 29 17:45:35 EST 2001 | clem
The general guideline for most PCB manufacturers for PCB thickness tolerance is +/- 10%. Is this documented in an IPC spec? If so which one? Thanks Dave
Electronics Forum | Tue May 28 22:56:01 EDT 2019 | dhanish
When do we need to implement a pallet for a PCB during SMT process?Any recommendation on PCB thickness,panelized PCB,width and length etc?
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