Electronics Forum | Wed May 20 17:11:17 EDT 2015 | sunrisepcb
Please visit http://www.pcb-sunrise.com. We've been supplying prototype ,standard and special PCB to users in more than 40 countries. Urgent service is available and no restriction to order quantity to fit into your different purposes.
Electronics Forum | Fri Sep 01 05:29:01 EDT 2017 | mona0312
Hi, Recently, i found a company called "jlcpcb". It’s very cheap 10pcs boards. 1.2mm thick, 1-OZ copper, 6/6-mil outer (0.1525mm) just cost $2 Cheap price and lots of options regarding board thickness, colour, etc. None of my boards have ever had a
Electronics Forum | Fri May 25 15:57:15 EDT 2001 | robert
you should be able to get the force requirements from the connector manufacturer. Both the minimum and maximum forces used in the pressing cycle should be recorded to know the connector is properly seated without excessive force that can damage the
Electronics Forum | Tue Sep 19 10:10:33 EDT 2006 | slthomas
Darby, these are "point one percenters", and are all/both white on black. I think it's a manufacturer's prerogative as to how they're marked (not really a standard, but a convention) so who knows. As far as getting a better meter, I'm still waiting
Electronics Forum | Mon Sep 18 12:36:59 EDT 2006 | slthomas
A customer specs .1% thin film 0805s on one product. The parts that came in the kit were marked 1002, and I suspect they were just 1%ers that were sorted for the tighter tolerance. We were a few short, ordered the balance and got parts marked 103 w
Electronics Forum | Tue Oct 27 13:56:36 EDT 2009 | julie331975
I work for a CEM. We are having some quality issues with some pcb's that came from China. (I know, big surprise) Can anyone with pcb manufacturing experience look at some pictures I have and give me an opinion as to what could go wrong in the pcb man
Electronics Forum | Wed Mar 23 11:08:36 EDT 2011 | davef
There is no such standard, nor should there be. The important thing is to make good solder connections. That's IPC standardization focus, defining good results of manufacturing process. The approach that you take in developing the process of making g
Electronics Forum | Thu Oct 30 09:15:20 EDT 2008 | kingshar
Hi, Hi, 1) Can anyone tell be what is the acceptable manufacturing tolerance from stencil to PCB . 2) what are the methods we can avoid that. 3) What is the method to avoid PCB shrinkage. 4) How can we correct shrinkage 5)Is there any standard gud
Electronics Forum | Wed Feb 04 11:52:27 EST 2009 | steverog
I am trying to find out the year of introduction for each of the standard SMD passive parts. I require this information for a piece of research I am conducting In particular I would like to know in which year the following part sizes were first intr
Electronics Forum | Fri Mar 19 13:42:05 EST 2004 | blu_nozer
J-STD-001 is the workmanship standard. IPC-A-610 is a guide to evaluating conformance to the standard & includes photographs of compliant and non-compliant examples. In addition there is also IPC-HDBK-001 which expands on the bare requirements laid d
