Electronics Forum | Fri Nov 09 19:31:43 EST 2007 | yshiau
Thank you to Dave and Scott!! What I'm delaing with is mass production test for small memory cards in volume! The reason I choose Non-operating temperature cycling is so that I can deal with volume. I can throw in quite a few memory cards in chambe
Electronics Forum | Thu Nov 08 12:05:05 EST 2007 | jdumont
Hole size may not have been an issue for you because your holes were already big enough? The alloy you are using has a lot to do with this I believe also. We are already at 5 seconds dwell for this which is mfg recommended for our solder. The caps we
Electronics Forum | Mon Nov 19 17:40:38 EST 2007 | bbarton
No, the thicker plating and need for very high quality drilling and plating is DUE to the higher copper dissolution rate and higher contact time. As to the Sn100C material, their claims seem to confirm a "lower" copper dissolution rate, but so does A
Electronics Forum | Tue Nov 20 15:06:34 EST 2007 | solder_master
I looked at the Kiss104 and the SPA-400 at the SMTA show in Orlando. I spent an hour with the ACE rep, and walked away totally confused as to how the machine is programmed. I spent 10 minutes with the rep from APS Novastar, and using their Photoscan
Electronics Forum | Fri Nov 23 12:50:27 EST 2007 | bbarton
Do you have any input as to the vibrations seen on the end-use device? Types of device(s) that have solder joint failure? How many thermal cycles the PCB goes through before failure? There are several areas in production of the board that could be th
Electronics Forum | Mon Dec 03 10:47:11 EST 2007 | slthomas
I thought you said that the parts that weren't wetting in reflow were the parts with epoxy. The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in reflow? Conversely, if they don't wet in wave,
Electronics Forum | Mon Nov 26 15:24:12 EST 2007 | joeherz
A recent thread regarding the ACE KISS equipment has me wondering if anyone is happy with their choice in selective equipment. I don't see much mentioned about Pillarhouse, Juki, ERSA and some of the others. We're currently debating whether to inve
Electronics Forum | Fri Dec 07 02:10:26 EST 2007 | mpolak
Hi, Could you guys verify my BTU VIP98N oven settings for lead free process. At the moment as my standard profile im using these settings 140 160 180 207 205 220 257 same temps for bottom and speed 50cm/min. Has anyone got same oven and could
Electronics Forum | Wed Dec 26 11:01:31 EST 2007 | swag
Thanks, rywman. I do have a solder sample along with dummy BGA's so we should have what we need. This BGA is actually 1152 pins (I didn't have that right in my original post). The bad part is that we are building only one board only and the actua
Electronics Forum | Tue Dec 18 09:44:51 EST 2007 | bbarton
CC True enough, indisputable and factual...my whole point was that there was NO communication from the company(s) or the peddlers on the subject, causing an unimaginable number of wave operators, engineers, production managers and CUSTOMERS to pull o
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