Electronics Forum | Wed Jul 29 07:26:12 EDT 2009 | dilogic
Hi Patrick, thanks for the response. I might add some more information - we succesfully soldered some boards with the same settings of belt speed, pre-heat temp. etc. This batch of boards differs from the previous in a way that they are 4-layer. May
Electronics Forum | Fri Aug 21 00:27:09 EDT 2009 | boardhouse
Hi To Start Min Tg is just a portion of picking a lead free material, the other is Td. We recommend the following to our Customers. 2-8 layer 150 Tg. Min. / 340 Td. 8-Up. 170-180 Tg.Min. / 340 Td. The above recommendations have been used by man
Electronics Forum | Wed Feb 03 15:50:00 EST 2010 | boardhouse
jamboy, sounds like their have been some quality and personal changes since C-tec was purchased by DDI. I would look at having this board quoted at TTM in Chippewa falls,WI. I have no affiliation with TTM, other than I know that they are able to
Electronics Forum | Fri Mar 05 08:06:39 EST 2010 | rgduval
Rob, Had that issue early on when we hooked up our Heller. For us, the problem turned out to be the serial communications port on the computer. I can't say we had the black screen, but, we had comm errors. I'd check the following: 1. Cable betwe
Electronics Forum | Thu May 06 13:06:36 EDT 2010 | dwonch
Unfortunately nothing ground breaking to report. The board shops analysis (SEM/EDS)showed high levels of carbon and oxygen, likely indicating an organic based contaminate. They are still stumped on where it is coming from. We recieved some boards y
Electronics Forum | Sun Apr 25 21:01:57 EDT 2010 | m79d
Hi all our IP1(1993)is not reading the board fiducials, the light comes on at the fid camera and stay on and the machine just hangs. Need to press the emergency stop button to go any further and screen says 'mark not readable'. None of the bulbs h
Electronics Forum | Fri Jun 18 15:37:44 EDT 2010 | remullis
One thing I have run into when placing cap's flush to the board is blow holes due to the plastic sheathing used around the cap. It would form a gasket going through wave and exhaust out of the holes therefore blowing the solder out with it. This cap
Electronics Forum | Thu Sep 30 16:28:51 EDT 2010 | 18424
Hello All, looking for some help from you guru's. I have several Enig boards with solderability problems. Components ranging from 0402's to ssop's. Using AIM W/S leaded solder paste, profile is beautiful and has been for years running the same produc
Electronics Forum | Mon Oct 04 10:02:09 EDT 2010 | babe7362000
I have a question about Drying a PCB after it goes thru the washer. Just wondering if others have to dry components off using air at the end of the wash? Our current process is that we wash the boards and dry certain parts off with the air hose aft
Electronics Forum | Sun Nov 14 14:14:47 EST 2010 | methos1979
On the bare boards, no paste, just a bare FAB board. We get them from a PWB manufacturer and inspect them to IPC-A-600 and then ship them to another manufacturer to populate them and we then inspect them to IPC-A-610. I have written several program
