Electronics Forum | Wed Aug 18 08:38:46 EDT 1999 | Jason Gregory
| Is there process by which one can do a double sided reflow (SMT on both sides) in one pass through the oven? | Paul, Here's a way it might be done. Screen your bottom side with paste (if only passives, 0603-1206 & sot 23's), dispense glue for sam
Electronics Forum | Thu Aug 12 17:03:44 EDT 1999 | Brian Wycoff
| | Q.C. manager asking me about spc's for Mydata Pick & Place. | | Other then Visual inspection, is there other ways to automate | | placement inspction? | | | | Thanks | | | Sure! There are a few automated vision systems available today that co
Electronics Forum | Tue Aug 10 05:51:03 EDT 1999 | Gian.D
| | hello to everybody, | | we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; | | does anybody know how to eliminate flux residues or how not to produce them during rework op
Electronics Forum | Thu Jul 29 23:21:51 EDT 1999 | CH Lee
I received a request from customer to assemble ceramic substrate (alumina oxide)that printed with a low temperature Copper thick film conductor (the overglaze layer is polymer). The Copper pads are exposed without any coating. This ceramic substrate
Electronics Forum | Thu Jul 29 01:57:49 EDT 1999 | KEVIN SIMPSON
| Dear Forum Members, | | Is their anyone who is familar with 1005 placement using a Fuji CP3 and a CP4-3 to perform at CP642 spec's? I have heard of a number of companies doing this. Are there any tech sheets or other site's that may have this pr
Electronics Forum | Tue Jul 27 11:59:19 EDT 1999 | Wolfgang Busko
While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would m
Electronics Forum | Wed Jul 28 21:58:18 EDT 1999 | Dave F
| any advice on ionograph testing in the 1 microgram/cm^2 for | small devices. We have a old Alpha 500 series machine that is dead but ALpha doesn't service this vintage machine.Any other way to perform this test, or a third party vendors to servic
Electronics Forum | Wed Jul 28 17:36:28 EDT 1999 | John Thorup
| Just out of curiosity, who's holding the market for the semi-automatic screen printers these days aside from Transition Automation? I know MPM offers some printers in that price range, but are they holding any real market share in that niche? | |
Electronics Forum | Sat Jul 24 23:18:00 EDT 1999 | Scott McKee
| We are going to smt ic's on the component side of our pcb's. | The problem is we are going to have to do this by hand. | We have a hot air station and vac pencil, but How reliable is this process. | We've tried it on proto's and had some shorting p
Electronics Forum | Thu Jul 29 11:39:34 EDT 1999 | Justin Medernach
| We are going to smt ic's on the component side of our pcb's. | The problem is we are going to have to do this by hand. | We have a hot air station and vac pencil, but How reliable is this process. | We've tried it on proto's and had some shorting p
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