Electronics Forum | Thu Nov 08 09:51:09 EST 2007 | rgduval
Where are the shorts occurring on the 96 pin connector? Are they consistently in the same areas? It looks as though there are a number of pins connected by traces on the board, and/or the ground plane. This would cause a lot of repeatable shorts i
Electronics Forum | Sat Apr 04 03:24:41 EDT 2009 | monduran
Our company is in the market to replace the $50 toaster oven we use to reflow boards with something that can actually achieve even temperature and a proper reflow curve. We are a RnD type company and have no need for volumes. Though we have some heav
Electronics Forum | Tue Nov 03 20:00:47 EST 2009 | davef
Solder Mask Adhesion Pull Test Tape List IPC-TM-650 Test Method 2.4.28.1, Adhesion, Solder Resist (Mask), Tape Test Method, defines the procedure for determining the adhesion of solder resists (masks) used over melting metals, (such as solder plated
Electronics Forum | Mon Nov 09 09:18:09 EST 2009 | meritajs
I absolute agree with Adlsmt that your subcontractor was slipshod worker. It’s impossible for normal subcontractor make such fault. For last 15 years I worked for subcontractor firm here in Riga Latvia. Our company was not very advanced. As I said be
Electronics Forum | Fri Jul 23 07:16:46 EDT 2010 | deanm
We are a small company of 110 people and I am the only manufacturing engineer. We have "work cells", but they are not time balanced like a true work cell would be; they are a group of primarily benches arranged to build a particular product(s). More
Electronics Forum | Thu Jan 20 08:08:24 EST 2011 | deanm
Because we build Class 3 assemblies, our company has formal inspection steps on our routes. CCA's go through surface mount and then an operator inspects the solder joints for defects and corrects them (touch-up). Following this they go to formal insp
Electronics Forum | Mon Mar 07 11:54:46 EST 2011 | rway
Now I have a clearer picture of your operation. It seems your company does not want to incur the cost of board redesign, and I thought it was the initial investment of the capital equipment that had them scared. You stated, "Unfortunately I can't g
Electronics Forum | Wed Jun 15 13:40:49 EDT 2011 | hegemon
I have seen this before with larger PBGA components. When installed using a rework system, I would advise Convective rather thn IR. In my experience having high power (not high temp) convection is the only way to deal with these problematic devices
Electronics Forum | Wed Jun 15 22:27:40 EDT 2011 | pkamath2
Hello, My company recently installed a Positive Displacement Pump on a GSM Pick @ Place machine for dispensing chipbonder (loctite 3621) dots before mounting chip components. The head uses Universal stand nozzles (single port-small dot, dual port 0
Electronics Forum | Wed Aug 10 10:14:18 EDT 2011 | lisalau
Below is a cheating experience from one of my friends. To all SMT friends___a cheating experience to share with you We made payment to Autento Electronics in Singaporen on OCT 30th,2009 to purchase Siemens Feeders,and they agreed to make shipment w
