Electronics Forum | Mon Feb 04 07:34:53 EST 2008 | cyber_wolf
Fuji's (CP's and QP's) are probably not the best fit for what you are talking about. However, it can be done.You will just need to become creative on how you are doing changeovers. You need to incorporate the "pit crew" mentality. Also, if you are lo
Electronics Forum | Fri Feb 22 14:22:07 EST 2008 | stevek
Are you using nocleans, especially when you get to SMT? Years ago, I had OA wave flux get into vias that were plugged from the top under parts. It is really difficult to clean small, high aspect ratio vias. Cross sections showed that the copper in
Electronics Forum | Mon Mar 10 14:03:18 EDT 2008 | swag
Has anyone ever used local fids on flex circuits that are applied by the board house as black ink dots? Good or bad experience? We have a flex board that has two identical 60 pin, fine pitch connectors on it. From limited experience and reading so
Electronics Forum | Wed Mar 12 06:12:09 EDT 2008 | omidjuve
we have pcb here that has a strange footprint on it the details for the device that should be placed on this pcb is part no. PSD833F2-90MI it has 3 different packages PQFP52,PLCC52,TQFP64 and the one that was in the BOM of this board was PQFP52. bu
Electronics Forum | Thu Mar 13 16:32:25 EDT 2008 | dyoungquist
MyData PNP machines are good for high mix/low volume because change over time between jobs is lower than with many other PNP machines. They also handle parts on cut tape strips easily and you will have these with low volume runs. As for lead free o
Electronics Forum | Thu Mar 13 15:17:03 EDT 2008 | slthomas
about WHY violating IPC design standards gives you grief? Do they even know they exist? We've got one in particular that seems to shoot from the hip. I want to tell them the "why" as well as the "what" so they'll be a little more proactive. My fee
Electronics Forum | Tue Apr 29 07:38:42 EDT 2008 | davef
Warpage typically (not always) kinda, sorta points to a fabrication bake induced issue that is the racking technique & may be relieved by "flat baking" under weight. Your baking at 125* won't do dip. You need to get the laminate temperature above it'
Electronics Forum | Thu May 01 15:11:37 EDT 2008 | dphilbrick
CK So as I see it batch B represents a leaded process with leaded components and D is a leaded process with lead free components. Batch Components Paste B SnPb Sn62 D Lead-free Sn62 If so it is BETTER to run a lead free BGA with Sn
Electronics Forum | Thu May 01 18:26:50 EDT 2008 | jmelson
I am partial to Weller for the small rework irons. I use both the WSL with WMP (current model) and some older EC1302 irons with their power supply (I forget the model, but the one with analog setting knob and digital temp readout). I actually prefe
Electronics Forum | Fri May 02 08:43:48 EDT 2008 | chineechooze
I am Indian and a guru in industry so let me answer questions one by one 1. What is the future status on thru-hole boars, are they going to stay for long time on a market? TRU-HOLE MAKING A BIG COME BACK. THEY COME IN THE LEADFREE NOW. 2. Which
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