Electronics Forum: test connection (Page 7 of 25)

Circuit cam and mydata

Electronics Forum | Fri Mar 27 12:46:23 EDT 2020 | unisoft

Unisoft has been import gerber only for years to setup assembly, aoi machines, etc. *** Help for Importing GERBER only files for used in programming Assembly, AOI, Test, Selective Soldering machines (X/Y Center, Rot, Part#). Also allows you to cre

Re: PCB Material selection

Electronics Forum | Mon Jun 26 20:34:14 EDT 2000 | Dave F

Gary: Allow expand on this topic a bit. Back in the gray skied past when people wore calculators on their belts, rather than pagers n Palms, and didn�t drink California spill, they used HASS that you mentioned and HALT (Highly Accelerated Life Test

ICT and specifying PCBA testing

Electronics Forum | Tue Nov 01 14:46:31 EDT 2011 | davef

Agilent TestJet Technology White Paper In the early 1990s, the testing of digital parts became problematical. Previous in-circuit test techniques sought to ensure a correct, functioning part by applying digital patterns, called vectors, to the input

Non-wetting on 0402 chips capacitors

Electronics Forum | Wed May 09 13:11:22 EDT 2001 | zam_bri

Hi.. Recently, I have received a few reels of 0402 with an old date code ( but still less than 2 years old).I don't have a capability in-house to carry out the solderability test except for the dipping test ( dip the components in the molten solder

Dye and Pry

Electronics Forum | Fri Mar 14 11:25:02 EDT 2008 | hegemon

ol' hege has got to agree with Chunks and Dave. Seems every time there is a problem, the finger is first pointed at the process. For my $.02 it doesn't matter if your process is 100% bulletproof, procurement will screw it up by finding a vendor that

Re: Solder Connection Environmental Screening

Electronics Forum | Wed Aug 23 16:18:47 EDT 2000 | Dr. Ning-Cheng Lee

I presume you are referring to vibration test with fixed frequency at room temperature. One procedure describing the detailed profile is in MIL-STD-883E, Method 2005.2 (12/31/96). The approximate profile can be described as 60Hz, 20-70g, and 96 hrs t

BGA Voiding for RoHS

Electronics Forum | Fri Nov 13 06:56:37 EST 2009 | CL

Good Morning, The customer is looking for void free connections. They had never specified an acceptable percentage. We are reacting to the test yield. Our yield has averaged 50%. We do not test the product so we rely on feeback from the customer. Us

Head in Pillow effect BGA

Electronics Forum | Fri Apr 13 09:41:41 EDT 2007 | aj

All, I have an intermittent faut with a 672 BGA where it fails in test but upon applying pressure to the BGA it works. Clearly there is an issue with the wetting of some Balls causing a poor connection. My profile looks spot on - I think I poste

ESD....Limiting Resistor

Electronics Forum | Wed Jul 01 11:20:19 EDT 2009 | Geo

It would, but is it correct? This is what QA came back with. "Think of a chassis, connected to earth ground, sitting on top of a mat. In this situation, we are bypassing the meg-ohm resistor to ground." If the mat, the operator and the test equipmen

SOLDERING LEAD VERIFICATION

Electronics Forum | Thu Sep 10 10:04:27 EDT 2015 | emeto

1. Automated optical inspection(this is a machine that checks for you using camera and software algorithms for recognition) 2. Electrical test. For any PCB a test device can be made. A standard one will look like this: Put the board in the device. Go


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