Electronics Forum | Wed Jul 07 15:30:18 EDT 1999 | JohnW
| | We are looking for some subcontractors to do surface mount | | technology boards for us. Is there anything I should pay specific | | attention when I visit the subcontractor's site? | | Thank you for any advice | | | Carol, | | Someone bel
Electronics Forum | Sun Jun 27 12:24:43 EDT 1999 | Scott Cook
| We are anticipating switching from RMA to OA flux for both reflow and wavesolder in the next few months. If you use a batch cleaner running DI water only I would like to hear your experiences. How is it for cleaning under low standoff components
Electronics Forum | Fri Jun 18 13:47:33 EDT 1999 | Jason Gregory
| Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rave review
Electronics Forum | Fri Jun 18 14:07:50 EDT 1999 | Earl Moon
| | Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rave revi
Electronics Forum | Fri Jun 18 12:11:20 EDT 1999 | John Thorup
| A user of one of our components exceeded the floor life of some plastic BGA components. They did do a pre-bake prior to SMT reflow but only 72 hrs at 40C and not the recommended 12 hours at 125C. I've recommended accoustic microscopy to look for po
Electronics Forum | Mon Jun 14 13:51:11 EDT 1999 | Chrys Shea
| | Dear All, | | | | We are having a big debate over what is the industry standard in DPPM on the wave sodlering process. is a DPPM of about 800 satisfactory. As per our big bosses it should not be more than 50 DPPM. Is the figure realistic. We
Electronics Forum | Thu Jun 17 10:20:15 EDT 1999 | Brian Wycoff
| | | Dear All, | | | | | | We are having a big debate over what is the industry standard in DPPM on the wave sodlering process. is a DPPM of about 800 satisfactory. As per our big bosses it should not be more than 50 DPPM. Is the figure realistic
Electronics Forum | Fri Jun 04 11:31:27 EDT 1999 | Tony
| I'm encountering a new problem at my new company that I haven't encountered before in my past life - and that's Wave Soldering VIA holes. | | We've been getting a rash of defects that we call in this company, "insufficient solder in VIA hole." The
Electronics Forum | Thu Jun 03 17:24:03 EDT 1999 | Steve A
| Hi everybody, | | Somebody know the advantages of electroformed stencils on laser cut stencils ? | | any coment is apreciated. | | | thanks | | Al | Hey Al, An Electroformed (an additive process) stencil is comparable quality wise as a laser
Electronics Forum | Sat May 29 22:20:56 EDT 1999 | Earl Moon
| | Is it possible to place parts that do not have leadframes exposed when looking from the top side of the part such as BGA's using a Fuji IP1 with a SMD1 vision (Binary) system. I realize that the IP1 does not have front lighting but according to a
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