Electronics Forum | Wed Dec 06 14:42:28 EST 2006 | wrong way
Im using kester easy profile 256 and just this week started seeing problems with the paste being to thick sticking to the sqeeges and not going thur the screen this is not a lead free paste but it is a keester product
Electronics Forum | Wed Dec 09 09:47:32 EST 2009 | dyoungquist
I am curious as to why you need to mix.... We use a 500g cartridge with air gun. Our process is remove the cartridge from the fridge, allow it to warm up to room temperature before inserting into air gun, then apply bead of paste to the stencil. N
Electronics Forum | Tue Jun 08 11:06:34 EDT 2004 | adm
Hi Russ Try using Indium NC-SMQ230. Rgds
Electronics Forum | Wed Nov 08 09:00:36 EST 2006 | russ
I also am using the alpha OM338, great product Russ
Electronics Forum | Wed Nov 08 09:25:42 EST 2006 | aj
Russ, Have you incorporated any stencil modifications in particular since switching to LF? aj...
Electronics Forum | Thu Jul 20 13:01:07 EDT 2000 | qsheng
What is the difference of formulation No-Clean Sn63 with No-Clean lead free paste? Is there techniocal data in detail for performance property of No-Clean lead free paste (for example, viscosity, solderability, tack, print life, reflow profile)? Is
Electronics Forum | Mon Jun 07 17:43:42 EDT 2004 | russ
Doing a little poll here. How many of you are using lead free paste and what type/brand are you using. We are using Alpha OM338 SAC405. I am not liking it very much so far. It seems to be too viscous. It is definitely the thinnest stuff I have e
Electronics Forum | Tue Nov 07 16:26:42 EST 2006 | aj
Hi, I trialled 4 or 5 of the main suppliers including Kester. I went with Alpha OM338 SAC305 - exceeded all expectations and actually performs better than PB Paste in my opinion. aj...
Electronics Forum | Wed Nov 08 08:12:16 EST 2006 | jnaligan
hi... try evaluating eco solder paste Sn96.5/Ag3.0/Cu0.5 from Senju... output is good and i suggest your stencil's apperture ratio with the pad 1:1 when it comes to fine pitches...and BGA pads regards, janry
Electronics Forum | Wed Dec 06 13:18:37 EST 2006 | Bob B
Attention Alpha users: I just read Alpha is going to close the US paste factories and move them to Mexico. Be on the lookout for quality issues when they do. I am sorry to see them go in this direction.
