Electronics Forum: what is a good ppm? (Page 6 of 14)

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:20:27 EDT 2001 | ksfacinelli

We have two batch systems installed from Aqueous Technologies and have been very please with there performance and reliability. One machine is utilizing a 5hp pump and generates 60psi the other is a 3hp version and is about 40psi. I think the most

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Wed Sep 12 21:16:23 EDT 2001 | raton

The quip; All you can get! By the way, worthy answers above, especially Dave F getting a little tied up is good to see, he's always on the money otherwise. But seriously, watch for damage to other components. Example; thru hole's such as radial c

Solder in wave soldering: Which one is the best?

Electronics Forum | Mon Feb 28 09:33:29 EST 2005 | lyrtech

Actually we're using ALPHA METAL Vaculoy 63SN/37Pb solder bars in our WAVE (ELECTROVERT ULTRAPACK 650C). With that solder, we use the ALPHA METAL LONCO SLS 65C flux. With this combination, we have many bridges and sometimes, the solder do not full co

Re: Prove no-clean is clean / Wadda Mean Clean??

Electronics Forum | Thu Sep 17 11:09:32 EDT 1998 | Dave F

| I need an evaluation process to prove to a customer that our no-clean process does not leave excessive residue? Any ideas? Wayne: More of the same as Chry and Justin. KEY ISSUE The first thing that you need to know is: What does your customer me

Re: Why is The Forum so slow now?

Electronics Forum | Tue Mar 17 11:32:35 EST 1998 | Earl Moon

| | Children, | | Let's stop the squabbling. SMTNET is here for us to use. It may run slower but it is still a very effective and necessary tool. It's amazing, as we progress further into the information age, we become spoiled and frustrated about

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:17:01 EDT 2001 | seand

Hello Everyone, Speedline Technologies' Electrovert Division does offer a number of batch and in-line systems for your cleaning application. A good contact for you to reach to discuss the details of your application would be Bill Boyde at the facto

What is the rootcause for BGA Lifted PAD after reflow

Electronics Forum | Tue May 20 17:09:13 EDT 2008 | davef

Sorry, we didn't do a good job of understanding your question. For more on delamination, look here: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=54655 ... but we're not so sure that this is a straight delamination issue, because: * One

Re: Why is The Forum so slow now?

Electronics Forum | Tue Mar 17 11:16:15 EST 1998 | Scott Cook

| Children, | Let's stop the squabbling. SMTNET is here for us to use. It may run slower but it is still a very effective and necessary tool. It's amazing, as we progress further into the information age, we become spoiled and frustrated about an

Re: What is the typical BGA substrate pad alloy

Electronics Forum | Fri Dec 03 18:17:12 EST 1999 | Dave F

Dave: There's lots of stuff on the web describing BGAs. Examples are: http://www.smtnet.com/bookstore/publications/0speckdo1/s1.html http://www.smtnet.com/bookstore/publications/0shutcco1/ch1p2.html http://www.citizen-america.com/OEM/bga/process

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:19:42 EDT 2001 | davef

Watt tiepoo? [Cereally, you can usually fix typos after you post by using the P yellow �edit� button that shows when you are looking at your posting.] We�re had people on SMTnet that were washing their boards with a brush attached to the end of a ga


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