Electronics Forum | Fri Sep 06 07:40:02 EDT 2013 | spoiltforchoice
gold, one of the stablest elements on the periodic table oxidising. Are you sure, and why would you want to reduce the vision fail rate on a part that is clearly shockingly poor?
Electronics Forum | Mon Sep 16 09:47:33 EDT 2013 | dilogic
I would appreciate if you can share your experience with pick failure rates, preferably for 0402 parts. Also, what percentage do you consider acceptable?
Electronics Forum | Mon Apr 02 11:50:27 EDT 2018 | reckless
6/400 per week seems high? 1.5% failure rating, technically close to 75% annual failure rating. Is that normal for other manufacturers?
Electronics Forum | Fri Feb 02 05:11:29 EST 2018 | deanm
I developed our company's procedure for moisture sensitive devices based on J-STD-033 and I don't recall anything requiring a certain ramp rate. Furthermore baking at 85C will greatly extend the time to reset the clock and it is harder to maintain
Electronics Forum | Tue Jan 15 15:34:19 EST 2019 | bandjwet
Does anyone know of a recent benchmark of EMS service sales price services on the major assembly markets. I am trying to find the typical shop rate of EMS services in US, Mex, China, Vietnam. Thanks Bob/BEST
Electronics Forum | Mon May 18 02:40:53 EDT 2020 | peterhuang
Does anyone need help? We have developed a type of cover tape, which can effectively overcome the problem of throwing rate. It can be less than 3‰. Most of these problems are classified as machine problems. According to our research, it can be effect
Electronics Forum | Fri Mar 08 15:56:11 EST 2024 | kylehunter
That makes a lot of sense, thank you for the answer. Do you have any sample numbers you can share? Like if you build a batch of boards with no functional testing, are you normally expecting 100% pass rate when the reach the customer?
Electronics Forum | Mon May 10 13:55:22 EDT 1999 | Deon Nungaray
| Can anyone tell me what the recommended "typical" cooling rates are after reflow? Are the cooling rates considered as critical to control as the heating rates and why/why not? | I do not think there is a "typical" post reflow cooling rate out ther
Electronics Forum | Fri Apr 16 08:20:58 EDT 2004 | Bob L.
We've seen problems with BGA balls breaking at in-circuit test. I did some bend testing and found that our large BGA's can handle amazing stresses at low strain rates but we get brittle fractures at high strain rates, especially with Ni/Au surface f
Electronics Forum | Thu Nov 03 08:18:17 EST 2005 | fctassembly
Hello Arnold, Just to clarify the Sn100C discussion: Please note that SN100C is the Nihon Superior alloy composed of tin/.7copper/nickel. The key point in regard to SN100C is that Cu does not go directly into solution but first reacts to form an inte
