Electronics Forum: having (Page 2293 of 3484)

Water in TH cap sleeves

Electronics Forum | Wed Nov 26 13:20:47 EST 2014 | kkay

We have a lot of large through hole caps and we run everything through a wash process. Unfortunately water makes it's way inside the sleeves that the caps are shrink wrapped in. Has anyone found a way to prevent this from happening? We are running at

AOI (Viscom S6034) problem solved

Electronics Forum | Thu Dec 11 02:24:37 EST 2014 | vladicac

We found out what was the problem. If you happen to get the same error be sure to check if you have access to all COM ports. Also check CMOS battery. Because of low battery voltage all BIOS settings were lost. Because of that we had to reconfigure ou

BGA Rework affected by cold weather?

Electronics Forum | Mon Dec 15 18:22:36 EST 2014 | mcapizzi

As was stated, there are a number of variables that could come into play. I have used AirVac DRS26 and SRT Machines. We are now using Shuttle Star which has IR as well as hot air heat. This works much better for us. You can view these at. http://www.

Siplace S-feeder manual

Electronics Forum | Fri Dec 05 10:48:36 EST 2014 | oxygensmd

Can I ask someone to send OEM repair manual of Siplace 8mm, 12/16, 24/32mm feeders? I have the user manual without any service/maintance description/advice only. If someone can help please send a PM with an e-mail address where I can ask to send any

DIMA smro 0406 is good machine or not for doing lead free reflow

Electronics Forum | Wed Dec 10 13:26:03 EST 2014 | spoiltforchoice

I don't have one, but a lot of ovens of this vintage are on the market because they DO NOT cope well with lead free processes. There is one of these on eBay right now and it even says ROHS is right at the limit of what it can just about manage so thi

Enquires regarding qualification of Parylene Conformal Coating

Electronics Forum | Wed Dec 17 09:41:24 EST 2014 | dragonslong

1 x 10^10 ohm. Can i use the same specs? 2) Similarly, do anyone have a guide of the pass/fail criterion for the DWV measurement for parylene on IPC-B-25A board? I had check the Mil-I-46058 test standard which had a pass/fail criterion of

I am looking for an IPC spec for intentional PCB warp

Electronics Forum | Tue Dec 23 08:31:34 EST 2014 | proceng1

I know the contract rules, but this is idiotic. I did find the 10.2.6 spec already, but I had not looked at the TM-650. I'll check that out, thanks. I also may have found another part that has a better clearance, so I also hope to use these specs

BGA

Electronics Forum | Wed Dec 24 11:49:29 EST 2014 | robertwillis

285 is way too high a temperature for a measured part or ball temperature. It's also high for a modern convection oven set point even at reflow. If you have imagages of the problem we may be able to assist you further even on Chritmas Eve?? Bob Wil

Vapour phase vacuum

Electronics Forum | Mon Jan 19 05:02:07 EST 2015 | gertjannus

I've some troubles with LGAs components. i try to create void free results. so far i have no problems with dpacks, i think i do something wrong with the vacuum time. The padcoverage of my lga is very bad the vacuum creates solderballs under the compo

Anyone know what Solder lead use to connect Thermocouple wire to PCB?

Electronics Forum | Wed Jan 21 12:25:45 EST 2015 | dyoungquist

Kester makes a thermocouple solder: Alloy SN10PB88AG2 Flux "44" Core 58 Diam 0.031" I have used this to solder thermocouples to pcbs when profiling for lead-free temperatures. When done you can unsolder the thermocouple and reuse it again. This g


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