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Electronics Forum | Tue Feb 23 03:44:51 EST 1999 | K
| Can anybody give me the Pros and Cons of of using Cartridges over jars and/or vice-versa. Also, if using cartridges, what is the best way to keep the paste from seperating, short of buying a mixer that cost over $5000.00 | Thanks, | Bill | Inter
Electronics Forum | Mon Dec 14 13:16:11 EST 1998 | MMurphy
| DO you know of an Industry Standard that describes solder paste geometries requirements? | Check out www.alphastencil.com and select "Stencil Design Guidelines". This will at least give you an idea of how to deposit optimum paste volumes based on
Electronics Forum | Fri Jul 10 13:49:27 EDT 1998 | Bob Willis
I have some nice simple test methods that I will email to you this weekend thats one of the documents I must put on my site. | I am looking for some guidelines on evaluating solder paste. I am specifically interested in No-Clean Pastes, as they are a
Electronics Forum | Fri Jul 10 13:48:41 EDT 1998 | Bob Willis
I have some nice simple test methods that I will email to you this weekend thats one of the documents I must put on my site. | I am looking for some guidelines on evaluating solder paste. I am specifically interested in No-Clean Pastes, as they are a
Electronics Forum | Wed Jun 26 13:30:41 EDT 2002 | Steve L
Thanks, guys. The solder paste we are using is a kind of prototype from Alpha Metal - more aggressive, long floor life, etc. The paste I used to solder PBGA was out of fridge for about 3 weeks. It was still good for our other Non-BGA products. Be
Electronics Forum | Wed Sep 18 06:53:05 EDT 2002 | CH
1) For solder short, pls check the paste height. Too much vol will cause short. For 15 mils use 5 mils thickness stencil if possible. Check profile preheat time to prevent hot slumpof the paste. 2) type 4 powder will be better for 15 mils pit
Electronics Forum | Wed Sep 15 08:14:18 EDT 2004 | Rick J
Hi, I am planning to evaluate and qualify solder paste that we never used before. What are the test data that I need to request from the paste manufacturer for our QA prior to evaluation? And is there anything that you could provide me such as ideas
Electronics Forum | Fri Feb 18 17:57:46 EST 2005 | Grant
Hi, The normal electronic components you purchase should have lead free variants. Also, all solder paste manufacturers have lead free solder pastes, so you just need to get the paste specification, and then re-profile your oven for it. Temps are hig
Electronics Forum | Mon Jun 13 09:23:54 EDT 2005 | russ
I agree with Dave on the Water soluble process for this part. It is interesting that I have yet to find a Water Soluble for lead free that works. I have experienced a lot of problems with the flux on these pastes, wetting, solder balls, etc... kind
Electronics Forum | Fri Feb 29 07:32:43 EST 2008 | samitokgoz
We have the same problem... We are using water soluable solder paste (Alpha ws609) and it dries out very quick. I don't want to throw out the paste inside the printer, but on the other and I don't want to risk my production by adding flux or alchol o
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