Electronics Forum | Fri Jan 21 05:39:58 EST 2000 | Scott Davies
Hi ZJJ, I know exactly where you're coming from on this one! We have a similar situation here with a SiPlace 80S-15, rated at 15K max per hour. In practice, we achieve about 11K. The reason is fairly straightforward. The quoted maximum placements pe
Electronics Forum | Wed Jan 19 23:24:03 EST 2000 | armin
Hi, We have a couple of pcb's with PTH Crystal. We are looking for a spacer to be placed between the metallic body of the crystal and the via pad/land as they tend to short if wave soldered without a spacer. The spacer we are looking for is somethin
Electronics Forum | Mon Jan 03 18:52:13 EST 2000 | Deon Nungaray
Hi John, I don't know if you are going to have a lot of luck obtaining this information. Currently 0201's are mostly used in Asia, and reliability issues have risen using these components. The problem is obtaining a reliable solder connection with a
Electronics Forum | Thu Dec 30 21:22:12 EST 1999 | Jim
Mike, Thanks for the reply. It's not really a matter of slope. It is the long term thermomechanical fatigue that the solder joint undergoes as a result of repeated severe temperature swings, while the product is in use. Non-leaded parts are suscep
Electronics Forum | Sun Dec 19 08:05:14 EST 1999 | Dave F
Clarissa: We've all done thing on a limited basis, especially on prototype boards, but this doesn't sound like a limited basis, or prototype boards. (And may be I reading too much into this, we all know the frailities of conversing like this.) Thi
Electronics Forum | Sat Dec 18 18:29:16 EST 1999 | M Cox
Clarissa Even with a sound support team, buying used equipment is always risky. Some things to consider 1) Call the manufacturer, and make sure they still support the equipment, Parts and Technical. 2) Look at the machines with somebody who knows t
Electronics Forum | Thu Dec 16 11:54:45 EST 1999 | Mike Naddra
At reflow an inert atmosphere is used to mitigate the occurance of oxidation, to me the decision weather to move from an inert atmosphere is based on several things ; PCB surface finish - are you using a HASL finish, OSP or another surface finish and
Electronics Forum | Fri Dec 17 12:09:09 EST 1999 | Boca
Outstanding advice gentlemen! To borrow Dave F's line "I'd like to take a bit of a different angle." Ie. a few wave solder specific issues If this assembly is going over wave solder then avoid vias under passive components, it invites solder bal
Electronics Forum | Mon Dec 06 04:40:39 EST 1999 | cklau
Halo; In your last message you did not mentioned why your customer need to use IPA to clean PCB's as their requirement and what subtances they want to get rid of (is it flux stain PCB's or component?).If so recommend your value customer of flux 910
Electronics Forum | Sun Dec 05 22:43:27 EST 1999 | dreamsniper
Charley, Though my reply is quite late, it might be a good info for you and i hope that this info could help or could provide you some views. Some companies practice at least 1 board gap, which means the length of the pcb you are currently loading,