Electronics Forum | Fri Jan 23 12:34:28 EST 2015 | dyoungquist
Our nitrogen generator and an air drying unit came with the selective solder machine when it was purchased new in 2008 as a package deal. We originally were feeding the system with air that was not properly dried. That lead to some maintenance cost
Electronics Forum | Thu Feb 12 07:58:54 EST 2015 | erezah
A-610E, 10.7.4 covers solder mask discoloration. > Use that for your disposition > > In a previous > thread, Boardhouse told us "Here are a couple of > things that can affect color. * Material color > is the major, * Matte green from Enthone wou
Electronics Forum | Wed Jul 01 04:54:28 EDT 2015 | jvercamm
hi, the last post on pad cratering dates from 2012. We have (likely similar) problems with a RoHS 783 solder ball BGA size 29x29mm^2 (organic package BT), pitch is 1mm and solder ball diam is 0.5mm the field failure is after 12 months, almost exclu
Electronics Forum | Thu Aug 27 11:18:05 EDT 2015 | dyoungquist
From your description I am assuming you are doing double sided reflow and parts are dropping off the bottom side when the board is run through the reflow oven the second time. A few ideas to try: 1) Are the parts that are dropping off heavier parts
Electronics Forum | Sat Oct 03 12:33:02 EDT 2015 | rushpcbuk
Electronic digital methods of determining unsoldered leads/pins Unsoldered lead or pins in a PCB or any other electronic components leads to open circuits or faulty electrical connections thus the device does not operate. Typical inspection method
Electronics Forum | Wed Nov 25 14:42:51 EST 2015 | cgreiner
Sorry, I don not know what Emerald Advisor. I looked on three of our station computers hard drives and was not able to find it. The last text line on our MC computer reads "system is setup ... enable task loader", minor difference from yours but I
Electronics Forum | Mon Jan 11 04:42:38 EST 2016 | buckcho
You can do the so called "Golden Sample" with defects from the process. The making of the defects on the board is very important to be as much close to the real ones from the production. How I do it - after the printer I remove paste on some pads, so
Electronics Forum | Mon May 02 23:42:44 EDT 2016 | ttheis
I have a strange issue where all 4 spindles of head 1 on my GSM1 are able to place small parts without a problem until the very end of the routine where a large electrolytic aluminum capacitor is placed. The part is successfully picked out of the fee
Electronics Forum | Wed Aug 24 16:30:11 EDT 2016 | shawn_halo_1
I have a 1oz Flex PCB (FPC) that has 2 0.4mm pitch connectors that need to be SMTd and 9 4.5x1.0mm pads that have conductive rubber contacts that are press fitted onto the FPC. The FPC has a one time bend radius of 15.5mm. Image is attached that show
Electronics Forum | Fri Sep 01 15:52:03 EDT 2017 | wyluliwolf
Long story short: I paid someone to convert some older Gerber files to the new RS-274x format for me so I could have them manufactured. I sent them the original Gerber files (RS-274D) along with additional files showing information on the layout. T
.gif)
