Electronics Forum: after (Page 466 of 658)

PB FREE WASH AND MATERIAL HANDLING

Electronics Forum | Tue Feb 28 16:35:29 EST 2006 | muse95

Did you verify that the new colour of soldermask was RoHS compliant before you switched? I've heard that many aren't, and that switching colours can sometimes mean moving from one that was compliant to one that is not. We internally decided not to

Wave Solder Issue or maybe not?

Electronics Forum | Tue Feb 28 17:22:23 EST 2006 | dave

All, I am currently trying to run a quantity of boards thru my wave machine but I am having serious issues with hole-fill or lack of aswell as others. The boards are HASL finish and due to materials issue they have been waiting for Wave Solder Proce

Eyewash Solution solution

Electronics Forum | Mon Mar 06 13:02:49 EST 2006 | Chunks

Although rather expensive, you have to realize they had to go through extensive testing to prove their product safe. This probably cost them extensively. So once the formula has been deemed safe, they just pass this cost onto the consumer. Not to

How can I measure the consistence of glue application in a Gemin

Electronics Forum | Tue Mar 07 15:11:43 EST 2006 | davef

We wouldn't know a Gemini from a bread box, nor we are real clear on what you seek. So, we'll just rattle on for a while. Here's how we monitor the quality of our dispensing process: * We dispense the same nonfunctional pattern of dots on every boa

PTH Ring missing

Electronics Forum | Mon Mar 13 04:49:59 EST 2006 | Fhail

Hi All, I'm new in PCBA process. Recently in my leadfree production we encountered a missing ring on some of the ring on the board after we ran hem through Wave soldering machine. The board has gone through double reflow prior to the Wave soldering.

Kester Paste = Dirty Oven?

Electronics Forum | Wed Mar 15 09:43:16 EST 2006 | ratsalad

About a year ago we switched from another vender to Kester 256HA paste. As we've switched assemblies from the old paste to our Kester paste, we've seen a need to increase the frequency of our oven cleanings. It has been very noticeable. After only

Fillet Tearing

Electronics Forum | Thu Mar 23 07:36:42 EST 2006 | Chunks

According to the original article, no. It is formed by the FR4 expanding and then contracting. So cooling it down faster would not help - in theory. We have not gone lead free yet, so take the above with a grain of WML. My question to those that

Air inclusion in solder paste

Electronics Forum | Mon Mar 27 15:10:48 EST 2006 | ms

Hi Steve Thanks for your reply. Your comments make it sound like it may be the nature of this paste. Any one else agree? Paste control is fairly good. Paste is put in fridge straight after it arrives at inwards goods, (4deg). Removed from fridge

SMT diode

Electronics Forum | Wed Mar 29 13:28:45 EST 2006 | jsloot

We have been experiencing a reflow issue with a SMT diode 4007. This is a SMA or DO 214-A package. It is a lead free part used with 63/37 paste no clean flux. The problem is it is not consistant. 100 diodes can be reflowed rock solid on the board and

Solder Saver ??

Electronics Forum | Tue Dec 05 02:49:23 EST 2006 | ramerez

I have tried all the products I could find on the market. The so called wonder stuff MS2 from PK Metals (Aweful nasty stuff) and also the solder saver (Terrible hand held egg whisker). Recenty I had an 30 day evaluation on the EVS 6000 from EVS inte


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