Electronics Forum | Tue Nov 30 17:07:42 EST 1999 | Dave F
Wendy: The IPC-SM-782 Pad Calculator (www.ipc.org/html/fsresources.htm) should be able help you solve your problem. Good luck Dave F
Electronics Forum | Sun Aug 04 20:50:33 EDT 2002 | Ron L
Thanks Dave, Is there High and Low grade components !! Do component manufactures issue a certificate with pretested or certified components for the assembly of medical pcbs .
Electronics Forum | Wed Aug 07 19:41:34 EDT 2002 | ralugg
Thanks Dave and Steve, Your answers have will close this issue on Medical Pcb assembly and component specifications. your time is greatly appreciated.
Electronics Forum | Wed Nov 26 12:44:55 EST 2003 | caldon
Dave- Mark Thaler is no longer at ACI/EMPF. He left a few Years Back. Best to use Guy Ramsey gramsey@aciusa.org 610-362-1200 x 107 Cal
Electronics Forum | Thu Nov 30 14:49:54 EST 2006 | M. Sanders
Dave, Thanks - I couldn't agree with you more. Unfortunately, our "bean counters" have a different frame of mind.
Electronics Forum | Tue Apr 28 04:07:56 EDT 2009 | davepick
There's a nice tool on this site - http://www.enhancetechnical.co.uk/ Click on Internet Tools and then the image - brings up a useful interactive tools which helps understand influences on wave solder bridges. Dave
Electronics Forum | Mon Oct 25 15:23:26 EDT 1999 | Dave F
Ron: You're really talking about a step-up stencil in the area of the BGA. I don't think your problem is a lack of solder, but who know? I think you should do some sections on returned boards from your customer to help determine the source of the
Electronics Forum | Mon May 04 21:35:25 EDT 1998 | Dave F
| We are just starting out with SMT. I need any and all the information you have. We are looking to start a small to mid range line. Denis, You should pursue the following SMTNet thread on this topic: Posted by Igor Kostyuk on April 22, 1998 at 16:57
Electronics Forum | Mon Apr 17 19:54:39 EDT 2000 | Dave F
Sounds like a true IR guy to me!!! Your profile should reflow solder on the board properly to produce a reliable product for your customer. If that requires more than one proifile, so be it!!!. That being said, we went from hundreds of IR profiles
Electronics Forum | Mon Nov 15 12:09:55 EST 1999 | Dave F
Steve: Continuing with Dan�s thinking, generally, "poor release" (paste hanging-up in the stencil holes) could have three main (or combination of) causes: 1 Equipment: Stencil is too thick. Specifically, your 0.006 should be OK, providing you don�