Electronics Forum | Fri Oct 07 09:18:39 EDT 2005 | russ
If you're using non-lead free parts then you don't have a pbfree assembly so why worry about marking it anyway? We apply this artwork after the assembly has been completely engineered for lead free. Artwork can be covered up with mask or whatever if
Electronics Forum | Mon Oct 24 17:56:57 EDT 2005 | Ali
Hello all: A couple of queries on matte Sn plating: My Application: 2 Reflows in subassembly reflow+ 8 Hr Steam age+ Solderability (Dip and look) for sub assembly to mother board soldering. Queries on Matte Sn: 1- Different plating vendor
Electronics Forum | Wed Oct 26 10:21:28 EDT 2005 | russ
We are also experiencing problems with this thick stiff paper tape. Our problem is the strength of the spring that supports the tape at its pick position. After a while it just pushes it down because the tape exit wants to bend the tape too sharply
Electronics Forum | Mon Oct 31 09:35:59 EST 2005 | Slaine
Hi as this has a gold flash the nickle should be active an not require strong fluxes, i would suggest either your not getting enough heat into it (unlikely if your seeing dewetting). or that you have a plating problem the nickle has oxidised before
Electronics Forum | Wed Nov 02 01:53:41 EST 2005 | pavel_murtishev
Hello, Thank you for answer. We are using second hand machine. What do you mean saying that �stencil is not height on all 4 corners�? Does it have some inclination between corners? I mean that three corners of stencil are matching with PCB fine and
Electronics Forum | Wed Nov 02 13:24:09 EST 2005 | valuems
Hello Sorry we have not answered sooner, been gone. There is a height adjustment on the wiper. You will find a round nob under it, that is a height adjustment. I expect the wiper is not going all of the way up. And you can also control the speed
Electronics Forum | Thu Nov 03 01:27:10 EST 2005 | pavel_murtishev
Good morning, Our automatic cleaner simply doesn�t clean. When I am inspecting clogged apertures I execute �cycle wiper� command few times. After wiping cycle apertures remain clogged. Zero effect. We tried to use solvent in production to improve cl
Electronics Forum | Mon Oct 31 20:35:58 EST 2005 | milroyperera
If I brief shifting, I checked the component before it enter the reflow oven and saw that the IC is perfectly aligned on the pads but when it comes out from the oven the IC is floated on the pads. The floating is irregular and the IC is shifted away
Electronics Forum | Mon Oct 31 18:54:56 EST 2005 | PWH
Our Universal HSP 4796B is throwing nozzles completely out of heads near where the cam-arms/plates (not sure what to call them?) push them back in to the top, parked position after use. My first thought is that the cam arms have become out of toler
Electronics Forum | Thu Nov 03 12:48:14 EST 2005 | Rosewood
We have some no sticks, but that is actually a good thing because we have NSD. During process control audits we found that pull strengths to the board dropped off. We build a military application that requires higher bond strenghts. Low pull streg
