Electronics Forum | Thu Apr 29 17:38:47 EDT 1999 | JohnW
Ok folk's has anyone used Alpha Metal's UP78 solder paste ? Our place is looking to move to that as the way to go, getting rid of the Hereaus 362's and Alpha 737's of the current set up. My question's are really : how is the printability of the pas
Electronics Forum | Tue Jan 05 18:18:56 EST 1999 | Hallj
| If passive componets are cheaper why aren't they more popular? Manufacturers like Murata and AVX claim availability and substantial cost savings but little interest seems to exist. Why? Your input is greatly appreciated. | I use bulk fed compon
Electronics Forum | Wed Jan 06 18:00:34 EST 1999 | Enza Hill
I'm not sure I'm offering an answer, more a question I have...Isn't there an issue with automated PnP machines whose feeder carriage moves? Have companies such as Fuji, Universal/Sanyo, Panasonic developed the capability to use bulk feeders? I woul
Electronics Forum | Thu Nov 12 00:02:45 EST 1998 | Gang Pan
I have just finished this excise which compared Mydata and Quad machine. As the result I purchased Quad QSV-1 model SMT assembler. In my opinion select which one that will depend on your applications. Also depend on what machines you compare with.
Electronics Forum | Tue Oct 27 12:31:24 EST 1998 | Sanjay Bhatikar
SMT-ers I notice that most suppliers provide data that is eye-catching but avoid providing data of significant technical relevance, such as Cp and Cpk. It would perhaps be a wise idea for standards to be formulated in this area. For eg., ma
Electronics Forum | Mon Jun 08 13:26:59 EDT 1998 | D.Hammond
I work QA at an OEM in Alberta, Canada. I saw earlier posts on the smtnet regarding PCB haloing criteria. I am currently in a dispute with my PCB vendor over the acceptability of haloing (delamination) around plated through holes and vias on a lot of
Electronics Forum | Wed May 20 19:55:00 EDT 1998 | D. Lange
| Have you tried the new Accu-Frame from PNC? It tensions on all four sides using an operator-INdependent mechanical scheme. It seems pretty slick. They're failry new, and don't have a frame for the MPM's last time I checked, so I haven't tried it
Electronics Forum | Mon Apr 13 17:03:40 EDT 1998 | EFData
We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X 75
Electronics Forum | Fri Jan 09 09:48:24 EST 1998 | Wendy Casker
| We are currently in the process of analyzing Forced Air Convection Oven systems. The systems in the running are the Electrovert, Vitronics, Conceptronics, and Seho. Service is a big requirement for us. Our plant locations are in Dublin, Ireland
Electronics Forum | Thu Jan 08 23:49:26 EST 1998 | Scott McKee
| We are currently in the process of analyzing Forced Air Convection Oven systems. The systems in the running are the Electrovert, Vitronics, Conceptronics, and Seho. Service is a big requirement for us. Our plant locations are in Dublin, Ireland
