Electronics Forum: cleaning chemistries (Page 1 of 32)

stencil cleaning

Electronics Forum | Mon Oct 17 11:16:09 EDT 2005 | slthomas

There are a lot of things that might affect your cleaning efficiency. Paste type (no clean or w/s?), cleaning chemistry, aperture aspect ratio (aperture width/stencil thickness), "linty" wipes, etc. Another thing you need to look at is the frequency

Stencil cleaning

Electronics Forum | Tue Apr 13 19:47:05 EDT 2004 | davef

Glue has different mechanical, thermal, and electrical properties than solder. That's why all these very nice no-lead people are furiously trying to gin-up some wacky solder alloy, rather than using glue. Among the papers in the SMTA Knowledge base

cleaning PCB's

Electronics Forum | Tue Jan 10 20:39:06 EST 2006 | aqueous

Of course there are solvents which are less harmful to the environment than others. The operative phrase is �less harmful�. As a rule, water-based chemistries are �greener� than solvents. There are some solvent blends designed for aqueous-based eq

cleaning PCB's

Electronics Forum | Tue Jan 10 14:04:38 EST 2006 | Mike Konrad

Flashback time� Vapor degreasers, although still used in limited applications, no longer represent the conventional wisdom (due to multiple environmental issues). Aqueous-based technologies are the most common method of defluxing. Unlike most va

PCB post reflow cleaning

Electronics Forum | Mon Mar 22 10:35:04 EST 2004 | jdumont

Just wondering what everyone's ideas are on the best cleaning chemistries for post reflow cleaning. I (like everyone) am looking for the most bang for the buck. Ive tried the big names, just looking for some input on anything else thats out there. Th

stencil cleaning 'technology' ..

Electronics Forum | Mon Aug 14 14:04:52 EDT 2000 | Phil Lauziere

Folks, What's the latest on stencil cleaning technologies; particlarly 'spray' (whether air or emmersion )versus 'ultrasonic' ?? What are your experiences with this ?? Has anyone completing any testing on cleaners recently - that you'd be willin

cleaning NO clean

Electronics Forum | Tue Sep 17 15:59:48 EDT 2002 | Randy V

No-Clean fluxes are difficult to clean off boards. Cleaning effectivness depends on the washer, the chemistry, the flux type, number of reflows, and the time between reflow and washing. White residue is flux residues that have started to break down b

PCB post reflow cleaning

Electronics Forum | Fri Mar 26 08:49:22 EST 2004 | patrickbruneel

Dear Sir, If you are looking for the best bang for the buck you will have to stop cleaning and use a no-residue paste instead of a no-clean. No-residue chemistry becomes totaly volatile in dwell time above reflow resulting in residue free boards. I

UltraSonic cleaning machine

Electronics Forum | Thu Sep 26 14:03:55 EDT 2002 | Randy V

There are allot of issue to washing that need to be considered before you purchase a washer. But to answer your question regarding ultrasonic cleaning: 1. Ultrasonics with the correct frequency will not damage most components. Washing in general can

UltraSonic cleaning machine

Electronics Forum | Wed Sep 25 09:24:54 EDT 2002 | caldon

Michael- Please when concidering you U-sonic machine, keep in mind possible chemistries Petroferm, Kyzen, Aqueous technologies, and Zestron products. All are good products and all need to be evaluated with your stencils. Depending on your component t

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