Electronics Forum | Thu Jul 21 02:54:10 EDT 2005 | Base
(... so hard to resist... Rob is probably going to kick my derriere for this post...) So was Assembleon... They first placed a very large QFP (think it was 208) and then placed a whole bunch of 01005's in between the leads. And to top it off they al
Electronics Forum | Wed Jul 20 03:52:16 EDT 2005 | Rob
....However your customer may demand it of you (which many are in the UK) as they often have little knowledge of the manufacturing process having subbed out for years... Obviously it needs to be a smooth transition so the subby can continue to build
Electronics Forum | Thu Aug 11 08:23:29 EDT 2005 | jbragg
Hi Peter, I'm not sure where you're located, but I work for Celestica in our Component Failure Analysis and Reliability Testing Lab in Toronto Ontario Canada. We are an idenpendent lab with full FA component, assembly and PWB capabilities and would
Electronics Forum | Wed Jul 20 15:18:35 EDT 2005 | FW
Hi! We have both Dip & Spray conformal coating processes & have never done any kind of baking before the process! I am assuming the reason for baking would be the same - ie, remove any moisture on the brds since moisture will create failure of the co
Electronics Forum | Wed Jul 20 16:02:05 EDT 2005 | Inds
guys, I am having a problem. During my rework (SRT) process, I am trying to reach a board temp of 150degC b4 the top heater comes down for the actual rework process. Due to which the flux (tacflux 20)is burning off and i am seeing lot of non wetting
Electronics Forum | Wed Jul 20 18:08:38 EDT 2005 | russ
How long is it taking to reach the 150? We use the 020 here along with 023 and have very good results with our machine. The 023 is rated for a higher temp then the 020 but I don't know about staying power. We heat from both the bottom and the top
Electronics Forum | Thu Jul 21 22:22:50 EDT 2005 | Ken
Hey, Peter. back in the mid 90's I reversed engineered their drive system because of a dispute over print speed malfunctions. I prooved correct that they had made published claims about their drive topology that were not true. They agreed to redes
Electronics Forum | Fri Jul 22 08:36:15 EDT 2005 | davef
Haaaa a "tuning fork belt" B) Sonic belt tension meter: * Gates [303-744-5800 Fax 4600 gates.com] Model 507C * Stock Drive Products / Sterling Instrument [800-819-8900 516-328-3300 Fax 516-326-8827 sdp-si.com] sells Gates Model 507C * CheckLine [800
Electronics Forum | Fri Jul 22 10:30:43 EDT 2005 | Frank
I haven't heard of a meter like that. Consult Fuji for a recommended supplier if it is so special. The meter from Gates has a very sensitive microphone, so you tap (or strum) the belt and the vibration is heard and converted to Hz. If you want to
Electronics Forum | Mon Aug 08 08:18:52 EDT 2005 | davef
Rob We agree with Jason's point about swab lead indicators. You need to be careful interpreting the results. Lead must be in sufficient measurable quantities as found in Sn 63/37 or Sn 60/40 solders. Handheld units are: * Oxford (bought the X-Met
