Electronics Forum: slip and sheets (Page 3 of 5)

SMT Solder paste and wave flux evaluation

Electronics Forum | Fri Jan 28 12:18:32 EST 2005 | Chunks

Your best bet is to do a decision making matrix. Each company has so many different criteria�s it's hard to pick out which one might be important to yours. Simply pick out your top 5 paste manufactures. Next decide what your "Eliminators" are - th

Process control, SMT inspection and rework

Electronics Forum | Mon Apr 15 21:55:46 EDT 2002 | ianchan

Hi Clark, Out of curiousity and in the name of learning new stuff, can you share with us how does your team, calculate the cost of inspection? Is inspection an additional chargable item in the quotation sheet? To quote your posting : "Just a side n

BGA dead bug pick and place

Electronics Forum | Mon Oct 28 09:48:10 EST 2002 | gregp

If I understand correctly you want to pick BGAs from the ball side using some type of vacuum arrangement. You will find that the reliability of this is dependant on the size of the balls and the pitch. The larger the balls and tighter the pitch, th

Multi-part reeling for pick and place

Electronics Forum | Sat Jul 17 15:22:17 EDT 2004 | rohman23

Thanks for all the responses. I do agree with what was said, and can certainly see reasons not to try. I'll write a little more about what we do. We are a defense contractor, and as I mentioned very high mix, low volume. We only have 1 SMT line.

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Sun Apr 25 12:05:50 EDT 1999 | Chrys Shea

| | | Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | | | | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free solderin

Re: WAVE SOLDERING and Gluing 0603 packages

Electronics Forum | Mon Apr 26 09:18:27 EDT 1999 | C.K.

| | | | Has anyone had trouble waving and gluing 0603 R's and C's? At my company, our designers have "opened the floodgates" on bottom-side 0603's. | | | | | | | | We've got an EPK+ with rotary chip and omega wave but can't seem to get skip-free so

No clean and 100 Mbps Fast Ethernet Transceiver

Electronics Forum | Tue Sep 30 20:55:14 EDT 2008 | davef

Residues from different no-clean fluxes produce different levels of variation in RF circuits. Some no-clean fluxes work fine. Following this, a no-clean flux can produce different levels of variation in RF circuits depending on the process setup.

Difference between Alpha metals SLS65 and E191 fluxes

Electronics Forum | Tue Apr 30 16:18:37 EDT 2002 | mantis

Can anyone tell me the difference between the these 2 fluxes as i cant find a data sheet(i searched the alpha metals website) for the E191.I know the the 2 fluxes are both no clean but other than that?? The reason i ask is i found some E191 in our st

Filemaker Pro Data collection for inspection and shop progress

Electronics Forum | Sat Jan 03 17:43:31 EST 2009 | proy

Hi Wondering if anyone here is/are filemaker Pro users? I am writing a simple data collection program in Filemaker for pre-solder, pre-test inspection to replace paper sheets. Together with wireless touchscreen tablets I think this is going to be

LED (Seven Segment) found with missing segment and dimmer

Electronics Forum | Wed Jul 20 03:10:45 EDT 2011 | umar

I have mount the 8 pcs SEVEN SEGMENT LEDS on the PWB side at SMT Process, after reflow the board test at customer side and facing some issues which is missing segment and also one segment founded dimmers compare to other segment. Data sheet of LEDs


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