Electronics Forum | Thu Jun 08 18:29:36 EDT 2023 | emeto
Hello folks, is there a standard you follow for maximum cleaning cycles? We are debating how many times we should clean a board for misprints on the second manufacturing side? First side is already assembled and I wonder how many times we can safely
Electronics Forum | Thu Jan 04 17:26:17 EST 2001 | Cory
We're going to begin conformal coating a few of our assemblies as required by our customer. We're using Kester No clean paste and will use cotton gloves to keep the boards clean while handling. My question is: Do we need to clean the boards prior to
Electronics Forum | Tue Sep 07 06:24:07 EDT 1999 | Steve Cheung
We are changing over to a No-Clean paste soon and l was wondering how other people tackle the issue of stencil and PCB cleaning in high-volume production. The paste we are using is Cobar 325RX and its pretty sticky stuff let me tell you! Our proble
Electronics Forum | Tue Oct 09 11:22:08 EDT 2001 | nifhail
Can I use one common cleaning agent to clean the stencils from a lines which are using RMA, No-clean and clean paste ( b'cos we onlyhv one stencil cleaner ). What about those misprinted board ? Can all of them use the same chemical or cleaned in the
Electronics Forum | Thu May 23 16:30:44 EDT 2002 | Mike Konrad
Solder balls can be removed with most cleaning systems, batch or inline. Ultrasonic will work but may also cause other problems. A high pressure spray-in-air cleaning system with a chemical additive (for no-clean removal) will work best. If you no
Electronics Forum | Tue Jun 04 19:15:15 EDT 2002 | rob_thomas
Por, Why do you clean no-clean flux residue?I didn't use the product you mentioned but I got some help from the folks at Cookson group last year when I did wirebonding after no-clean smt processing.check their website.Check your profile as well.unles
Electronics Forum | Fri Mar 26 11:13:04 EST 2004 | Mike Konrad
jdomont, No-cleans are more difficult to clean than RMA�s. Even though no-cleans have a lower solids content than RMA�s, reflow and soldering profiles are normally more severe than those used for RMA. It is interesting to note that our most of our
Electronics Forum | Fri Nov 05 17:29:53 EST 2004 | Steve Stach
Most metal stencils today are cleaned with a water based cleaning solution. 3 choices are most typical: (1) Water only for water-soluble paste (2) Water + Organic for rosin and no-clean (low residues. This affords lower temperatures and is easier t
Electronics Forum | Tue Oct 11 10:49:14 EDT 2005 | jhagve
HI We start to make a product which have a 0.4 mm pitch IC and start having problems with not enough solder printed, to solve this problem we had to increase the manual cleaning, now we are cleaning the stencil every 8 printings, before we was runnin
Electronics Forum | Fri Oct 19 10:49:48 EDT 2007 | brulal1
Hi I will like to know what do you think about cleaning hand solder, my employee spend about 25% of they time to brush they hand solder with teddy pen cleaner, we used no clean solder wire. It�s not been the first time that I try to eliminate those c
