Electronics Forum | Mon Mar 08 15:47:04 EST 2004 | pdeuel
We had problems with paste drying out when opened for more than a couple of days. We solved this problem by ordering paste in 250 gram quanities. This is about a third of a jar in the same size container.
Electronics Forum | Fri Mar 05 08:28:34 EST 2004 | adlsmt
Thanks Dave. The purpose is to educate our employee's. Although I dont think lead vapor is an issue in our facility, I would like to be able to back it up rather than just say "don't worry about it".
Electronics Forum | Tue Mar 09 19:40:47 EST 2004 | Vijay
The shorts happen at corner of the BGA. The PCB thickness is 1.6mm, It is a PC motherboard with all thru hole connectors mounted on.The preheating is done using IR heater and the temp is 120-160 for about 70-80 sec.I am using ERSA IR550A
Electronics Forum | Tue Mar 09 19:40:55 EST 2004 | Vijay
The shorts happen at corner of the BGA. The PCB thickness is 1.6mm, It is a PC motherboard with all thru hole connectors mounted on.The preheating is done using IR heater and the temp is 120-160 for about 70-80 sec.I am using ERSA IR550A
Electronics Forum | Tue Mar 09 15:44:52 EST 2004 | russ
Have you tried someone like KOSTAT? It looks to me like they probably already have trays in just about every configuration. at least 90% of our trays come from them. www.kostat.com Russ
Electronics Forum | Mon Mar 29 07:27:49 EST 2004 | pjc
ECD has a product called the Temprobe that is an alternative to hi-temp solder, tapes and glues for thermocouple attachedment. The cool thing about the Temprobe is that you can use it on a pasted board too. http://www.saunderstech.com/
Electronics Forum | Sat May 08 08:57:14 EDT 2004 | davef
Your customer doesn't know what he / she is talking about. Read the papers on the links provided by Ren� and Pete C above in this thread.
Electronics Forum | Fri Mar 19 07:14:18 EST 2004 | davef
We have talked about this previously on SMTnet. For instance, check this thread, while you wait for others to respond : http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25394
Electronics Forum | Wed Mar 31 01:14:49 EST 2004 | Peter -CP40
Eric, You should be able to monitor the pressure of your nozzles by selecting: Diagnostics / Vacume check, depending on the type of machine you are running. When you cover the end of the nozzle, you should get a reading of about 500. This means it i
Electronics Forum | Mon Mar 29 07:48:31 EST 2004 | check
I'M USING S-15 , S-20 AND F-3 MACHINES WITH UNIX LINE COMPUTER. THE TOOLING PART TAKES A LOT OF TIME HAVE YOU HEARD ABOUT A SOFTWARE THAT MAKE IT EASY AND FASTER ?