Electronics Forum | Thu Jul 06 16:13:28 EDT 2017 | barryg
Hello everyone, I was curious if anyone knows what criteria there is for layer to layer registration. I have looked at ipc-600 and 601 and have not found anything or am missing something. We had a small qty. of pcbs sent to a customer and some inner
Electronics Forum | Tue Mar 10 04:37:44 EDT 2020 | luciano_zhang
I have a files need produce in a urgent time. It's 4 layers PCB with 3 OZ inner and out layer quantity need 10000pcs ,any one know which supplier is aviliable?
Electronics Forum | Thu Mar 12 08:38:47 EDT 2020 | floravictor
Hi, We can produce such pcb, we are pcb factory in Shenzhen. my skype: qjthomasxiao mail: victor@flora-ltd.com
Electronics Forum | Fri Jun 12 09:10:48 EDT 2020 | apcpcba
Hello, we can meet your request, welcome to visit our website: https://www.apc-pcbassembly.com/
Electronics Forum | Thu Jun 11 09:28:57 EDT 2020 | pcbkathay
Dear Luciano, We are PCB manufactured based in China,we can produce the PCB as your requirements as soon as we can, please send the files to my email 284816044@qq.com looking foward to your email.
Electronics Forum | Thu Jun 11 02:32:54 EDT 2020 | beanzheng0
Hi, Luciano This is James from http://www.nextpcb.com We can do your order we have 2 manufacturers over 2500000sq. The 4 layer PCB boards on sale now. Please send your inquiry to support@nextpcb.com Or you can contact me on WhatsApp:+8613243830029 S
Electronics Forum | Mon Apr 13 12:06:53 EDT 2009 | jefflkupkt
BoardHouse, Thanks for the reply. The board supplier did cover the cost of the bare boards. Five years ago I saw a different part pass ET only to fail at final assembly test as well. One engineer called it "acid trap" on the inner layers where the
Electronics Forum | Thu Nov 17 20:23:55 EST 2005 | davef
We're with your customer. We believe inner layer separation is not linked to a heating excursion. What you are seeing is separation between the hole wall and the copper plating in the barrel of the hole on an unstressed PTH. Although, it's possibl
Electronics Forum | Thu Sep 02 15:01:52 EDT 2010 | James Neal
Manufacturing-wise, is there a problem with doing a single panel with both four layer and two layers designs on it? I do prototype runs with multiple designs on the same panel, and I'd like to start including four layer. It seems to me that I can g
Electronics Forum | Thu Nov 17 15:40:23 EST 2005 | Hoss
We have a board that has been diagnosed with inner layer separation from the barrel wall. This board is .093 thick and 12 layers. Several layers, in some cases, have little or no thermal relief making soldering difficult. We have since switched t
winsouce.jpg)
