Electronics Forum: problem (Page 456 of 1307)

Solder Balls-No Clean Paste

Electronics Forum | Fri Aug 20 10:07:09 EDT 2010 | dan_ems

Hello, I have the same problem ..., please take a print screen with the profile to see how is made it. Thank !

Voiding in LGA (LT) soldering

Electronics Forum | Wed Sep 01 07:44:36 EDT 2010 | sachu_70

Dear SMT-manufacturer, I would recommend to also have other device joints on board X-ray inspected to understand if void formations are seen across the board or confined only to one component. If seen across, your "Reflow Profile" could be the cause

Batch cleaner

Electronics Forum | Tue Sep 07 12:57:00 EDT 2010 | jrr3434

Thanks for the info mike. How well do these batch cleaners work with densely populated through hole boards that were solder with no clean flux? Is there a problem with water getting trapped under large capacitors? I'm using kester 959t for flux on b

Universal Multimod Dump Valve Issue

Electronics Forum | Fri Sep 03 08:25:30 EDT 2010 | remullis

I removed the muffler yesterday and still had the latch releasing issue, the latch was tight, however the table had some play in it. I adjusted the play out of the table, setup table zero and it fixed the problem. Same symptom as if the latch were lo

SMT Taping Machine

Electronics Forum | Tue Sep 28 15:33:53 EDT 2010 | babe7362000

V-Tek TM-50 is a great machine. We have had it about 5 years and never had a problem with it. Easy to setup and easy for the operators. Hope that helps...

Solderability Problem on NiPdAu

Electronics Forum | Sun Sep 12 12:45:56 EDT 2010 | tony1

Hi there, does anyone experience in NiPdAu solderability dip & look test? I experiencing solder non wet issue on side I/O & also center ground for QFN package. Appreciate someone can offer me a solution. Thanks

BGA non wetting

Electronics Forum | Tue Sep 14 02:12:22 EDT 2010 | genesan

Hi Sir, Thanks for reply and base on our system the same part are using for 2 model only and the problem occur on both assembly.By the way as feedback it happen on random pin of this BGA only.

28 pin QFN Pads.

Electronics Forum | Thu Sep 16 08:47:39 EDT 2010 | headlad

I extended the pads to help ensure the component locates correctly and to allow for easier re-work should problems occur. I reduced the thermal by 5% but you may want to speak to your fabricator and ask what they require to ensure that the resist is

ESD Smocks

Electronics Forum | Thu Sep 16 16:18:14 EDT 2010 | cbudzinski

we have been using DESCO Statshield Protective smock for about 7 months and some are starting to fail test. Is anyone else having any problems?

DEK 265GSX HOOD OPEN ERROR

Electronics Forum | Mon Sep 20 13:55:37 EDT 2010 | jamyboy

Check to make sure that the front and back of the DEK265GSX covers are closed. I have seen issues where the back cover trips its interlock and people go other places to look for the problem.....hope this helps


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