Electronics Forum | Wed Jun 11 09:59:19 EDT 2003 | jgregory
Hello all, We have came into this problem that I wanted to get everyone's input on from the SMTNET. We have roughly four pieces of equipment from a major manufacturer that we purchased from various brokers. We have two reflow ovens, one wave solder,
Electronics Forum | Wed Jun 11 16:45:09 EDT 2003 | jgregory
I do not agree. We were even told that if we do not pay, and we need to order parts, that there is no guarantee of receiving the right part number (since we didn't/couldn't use phone support for correct part numbers) and if the wrong part was receive
Electronics Forum | Thu Jun 26 04:34:49 EDT 2003 | emeto
Hi James, I saw very good posts here.Now I will give you one more practical way: 1. My advice is to encrease the temperature(like your first sidgestion). Termostress is important thing so your first zone should be 120-150C. 2. The paste profile. If
Electronics Forum | Tue Aug 05 18:02:05 EDT 2003 | MikeF
Check the areas that are getting solder on the top side. If you have internal ground planes, and the ground plane pth's are not getting solder on top, and signal pth's are, it's a heat problem. If the ground planes are in the middle of the board yo
Electronics Forum | Tue Aug 19 09:09:15 EDT 2003 | D Peter
After a few problems and time constraints on baking moisture sensitive devices, we are looking at solutions to storage rather than going after a rebaking solution. One thing that always bothered me about baking was the oxidation on the lead finish,
Electronics Forum | Thu Sep 18 15:29:59 EDT 2003 | Gabriele
Hi all, by reading along those thread (SOT23) and Tan outgassing I learned plenty of things. My first time approacing this kind of Q$A Forum, very intesting tech communication way. Any way, the path of magnetism effect was chosen when time ago we met
Electronics Forum | Thu Jan 08 16:43:43 EST 2004 | Dean
Unless your machine (internal) thermocouples are each calibrated and compensated no two machines will deliver eactly the same results. Here are your challenges: 1. Data acquisition equipment A-D converter errors 2. PCB measurement thermocouple (t
Electronics Forum | Wed Apr 21 11:33:20 EDT 2004 | tigerlordgm
As one of our small batch processes, we place BGAs on PCB without using solder paste. We apply tacky flux to a predetermined height on a pallet, "dip" the BGA into the tacky flux to wet the solder balls to the set height, and then use a BGA rework st
Electronics Forum | Tue May 04 15:18:45 EDT 2004 | msjohnston1
Ricardo makes some good points. My idea of a dream line is one that flexible to run as a high mix/low vol and low mix/high vol. I personally like Dek printers over MPM. The new printers from Mulara look interesting but they are a new company with a
Electronics Forum | Mon Jul 26 19:37:47 EDT 2004 | Grant
Hi, It was funny. The sight of 3 men standing around the microwave daring each other to push the start button, and then freaking out when the whole thing looked as though it was going to explode was funny. I guess you have to try these things! Tho
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