Electronics Forum | Wed Sep 10 14:39:30 EDT 2008 | vladig
No, we didn't do the test you mentioned, but did EDS on the joints and didn't see carbon their (which would indicate the presence of any organic-based contaminant). For the customer the issue was closed and passed to the board shop. We did work with
Electronics Forum | Sun Nov 01 23:51:44 EST 2009 | boardhouse
Hi Julie, My opinion is that the top board would not pass IPC, solder mask encroachment on pads. Second board is what we call Orange peel,this can be caused two way's. 1) the solder mask was not tack dried enough prior to imaging which caused artwo
Electronics Forum | Mon Feb 28 12:56:02 EST 2022 | stephendo
Buy flex rigid boards from a board shop. Seriously I think the time is at the original fabrication of the board. AFAIK, they use sheets of FR4 bond the parts that will remain to the flex and cut away the rest. It would not surprise me if they use a
Electronics Forum | Thu Oct 05 13:24:42 EDT 2023 | rgduval
So, a couple of things... First, you're asking about water washing a part, but, note that the manufacturer says to NOT ultrasonically clean their microphones. Those can be two different cleaning types...assembly shops using water wash may not be us
Electronics Forum | Tue Jun 06 14:05:22 EDT 2000 | Jeff Sanchez
Ray, I don't know for sure what exact data Ceeris used to come up with their figures. Did they account for shipping? Was the rework done by expensive equipment? When I read your thre
Electronics Forum | Wed Oct 13 23:57:55 EDT 1999 | se
As a stencil vendor to some assembly houses and small in-house assembly shops, both without CAD people rushing to put the paste layers (if they even generate one) into stencil friendly format, the silk screen is the only communication tool we have to
Electronics Forum | Tue Jun 22 10:05:33 EDT 1999 | Chrys Shea
| | We have a need to add a trace to a large quantity of bare PB's. The trace goes from a 25 mil QFP pad to a via. The rework must be done before we process the board. The rework cannot interfere with the solder paste screening process. | | | |
Electronics Forum | Wed May 20 22:52:37 EDT 1998 | Dave F
| I'm looking to increasing my prototyping capabilies by getting some automated pick and place equipment etc. Any leads on where to start investigating? I'm a very small job shop with 5 employees. Any help would be greatly appreciated. Greg: Le
Electronics Forum | Fri Jul 12 21:20:48 EDT 2002 | OhioD
Could this be the contract-house effect? As OEM's outsource their builds to more and more contract manufacturers, the old way of thinking for the electronics industry will diminish. The picture of the old union shop with long-term contracts, job secu
Electronics Forum | Thu Nov 14 08:53:44 EST 2002 | MA/NY DDave
Hi As DaveF suggested I would contact a shop that has done repair. You should have the PCB/PWB Print and laminate information with you when you make the call. Ask the repair shops if they have continual experience with the Rogers Material you are us
