Electronics Forum | Mon Jun 01 17:41:59 EDT 1998 | Jim Hoxie
First of all let me say that we are currently placing other 240 pin QFP'S with no problem. But none of them have the MASS of this beast. The part is a XILINX XC5215-6HQ240C which has a large metal heat sink covering most of the bottom of the part. T
Electronics Forum | Tue Jun 02 16:02:13 EDT 1998 | Earl Moon
| First of all let me say that we are currently placing other 240 pin QFP'S with no problem. But none of them have the MASS of this beast. | The part is a XILINX XC5215-6HQ240C which has a large metal heat sink covering most of the bottom of the part
Electronics Forum | Tue Jun 02 08:30:30 EDT 1998 | Jon Medernach
I have to agree with Steve. If the problem is progessively worse the problem is the pitch conversion that was used, and I have seen it before. It may be masked by the solder paste which could be on pitch but after reflow the paste wickes to the pad
Electronics Forum | Wed Aug 08 15:31:30 EDT 2001 | johnw
Hi folk's, I'm looking for some hint's here. Got a board from the customner that is ceramic, and it's 2.2mm thick. I've got a couple of RF connectors that I need to solder, problem is I can't get any flow up the PTH's. The pin's are gold on the conn
Electronics Forum | Wed Mar 12 10:34:42 EST 2003 | Stephen
I want to be clear. You are talking about buying fully populated cards? And not just bare boards. Approach different CM's and compare contracts. You can pretty much get anything from "build from kit" where all the CM does is assembly, to complete s
Electronics Forum | Thu Mar 23 10:35:55 EST 2006 | Wave Master Larry
WEll Im hearing all this talk about leadfree nonsense from the engineering dept at my place of employment.Let me tell you Ive been looking at this stuff for 12 yrs and i think tearing of the filet is a normal part of the solder joint kindof like dros
Electronics Forum | Thu May 25 10:47:40 EDT 2006 | Chunks
My my my, where do I go with this?!?!? SMT Guru Expert Superior Process God, I agree with you about "thinking outside the box". We do that at my facility everyday. But there are times when you need to "jump thru hoops". It's a fine balance in co
Electronics Forum | Fri Nov 21 05:40:49 EST 2014 | spoiltforchoice
I meant more from the programming perspective, make sure you make the most of what you can do with modern computing interfaces. Making configuring/creating jobs etc as accessible as possible to as wide an audience possible. As an example look at how
Electronics Forum | Mon Oct 24 14:57:09 EDT 2022 | spoiltforchoice
Indeed, back in 2010 or so I had quotes for a MY100 with a Hydra head,as part of that I did get them to run a theoretical build time for one of our own boards. That came back @ just under 7k cph, it was a pretty sensible board with a nice range of th
Electronics Forum | Thu Sep 02 16:52:31 EDT 1999 | Earl Moon
| | | Has anyone done or seen any studies done documenting what may be the affect of hardware such as screws in the parimeter vicinity of BGAs on a circuit board? | | | | | | What I'm really after is anything describing how close a screw/washer/nut
