Electronics Forum | Fri Aug 25 07:38:12 EDT 2006 | CL
Hi CP, I used to work for a flex circuit manufacturer. I am at a CM now and am we have started building RoHS production status assemblies. I personally think flex circuits will have a difficult time with the required temps for RoHS. I spoke to someo
Electronics Forum | Thu Aug 24 19:26:07 EDT 2006 | darby
Dave, Cygnal was taken over by Silabs. I based my design on the second link that you provided. Tell me folks, are you using one large pad with only the stencil having the grid, or are you actually breaking up the large pad into grids with mask around
Electronics Forum | Mon Aug 28 18:16:17 EDT 2006 | fastek
Sure Base....go ahead and trust your company's livelihood to make money on a vendor that is either going out of business or is on the block to be sold. These are not cars or luxury items of convenience we are talking about here. In many if not all c
Electronics Forum | Thu Aug 24 15:37:50 EDT 2006 | Chunks
Hi Any, This is from an earlies thread "Solder Ball After Reflow Process". Date: August 16, 2006 01:52 PM Author: Russ Subject: Solder Ball After Reflow Process Oven settings are meaningless here. What does the board see? It is the paste we a
Electronics Forum | Fri Aug 25 09:12:07 EDT 2006 | russ
When not practical to drill hole into pcb to profile here is what I do and seems to be just fine. place thermo into area underneath BGA and let her rip, you will not be in the ball/solder joint, but the temp difference as long as you are in the arra
Electronics Forum | Tue Aug 29 11:34:42 EDT 2006 | pr
WOW, for having never spent more than a drive by with the units and NEVER having set it up or used it, you are a wealth of info. who say's you can't learn anything from the fine smtnet archives? You definately have bean bags on the chin (mind) cause
Electronics Forum | Thu Aug 31 18:58:37 EDT 2006 | chrisgriffin
Fastek, You are correct. I know of machines you can get for 25k that are in working condition. But if I was going to buy one used, I would want it refurbished and calibrated. I would also be interested in support and warranty. I don't know of an
Electronics Forum | Mon Aug 28 17:02:07 EDT 2006 | SWAG
We are constantly messing around with easy ways to transport double sided boards through reflow. (Boards that cannot ride on the chain fingers for any number of reasons). We've got some fancy Durostone carriers that work awesome but are product spe
Electronics Forum | Tue Sep 19 00:35:54 EDT 2006 | darby
Fred, We receive ENIG pcbs in vac-formed bubble wrap with ,of all things, polstyrene packing! Despite my long-lasting complaints nothing has changed. BUT - I have never really had a problem with any of these PCBS. There are no moisture, salt or any o
Electronics Forum | Mon Sep 18 12:36:59 EDT 2006 | slthomas
A customer specs .1% thin film 0805s on one product. The parts that came in the kit were marked 1002, and I suspect they were just 1%ers that were sorted for the tighter tolerance. We were a few short, ordered the balance and got parts marked 103 w
