Electronics Forum: 3m

Re: Use of Wood on PCB Assembly Production floor ??

Electronics Forum | Thu Mar 09 16:56:19 EST 2000 | Dave F

Ashok: If I was to count, I'd guess there was more than 4 subquestions. Hey, but who's countin' anyway? I have answer (s) "on ESD all related to use of wood in a typical PCB Assembly line:" Before pushing-on, it is only "a typical PCB Assembly li

Re: Use of Wood on PCB Assembly Production floor ??

Electronics Forum | Thu Mar 09 16:56:19 EST 2000 | Dave F

Ashok: If I was to count, I'd guess there was more than 4 subquestions. Hey, but who's countin' anyway? I have answer (s) "on ESD all related to use of wood in a typical PCB Assembly line:" Before pushing-on, it is only "a typical PCB Assembly li

Multilayer Ceramic Capacitor (MLCC) failure root cause analysis

Electronics Forum | Fri Jul 27 12:21:18 EDT 2012 | tpatrickwalsh

I am posting this here because I think it may have something to do with PCBA: I have a simple battery-powered consumer product (LED light) that we have been manufacturing for some time. All of a sudden in one batch, we have about a 4% rate of a sing

Re: Question on ESD

Electronics Forum | Fri Mar 24 17:07:39 EST 2000 | John Thorup

Hello Ashok If you are talking about the thousands of volts that is often generated by either simply unrolling the tape to apply or when it is removed from the board after soldering you don't have a lot of choice since it is an insulator. Ionization

Re: ESD Compliant - Air blow off to dry washed circuit board assemblies

Electronics Forum | Wed Apr 12 21:04:10 EDT 2000 | Dave F

Ashok: You still didn�t tell me why you want additional drying of your boards, but what the hey, we all have our dark secrets. Anywho, let�s consider some options for reducing the moisture of your cleaned boards: OPTION 1 - Up-Grading Your Cleaner

Use of Wood on PCB Assembly Production floor ??

Electronics Forum | Thu Mar 09 10:19:24 EST 2000 | Ashok Dhawan

I have a question (s) on ESD- all related to use of wood in a typical PCB Assembly line: 1. How a wooden mini stool if used for holding tote box ( card board with static protecive coat, black color) can affect static sensitive devices inside the tot

Use of Wood on PCB Assembly Production floor ??

Electronics Forum | Thu Mar 09 10:19:24 EST 2000 | Ashok Dhawan

I have a question (s) on ESD- all related to use of wood in a typical PCB Assembly line: 1. How a wooden mini stool if used for holding tote box ( card board with static protecive coat, black color) can affect static sensitive devices inside the tot

In search of knowledge

Electronics Forum | Thu Oct 18 11:59:38 EDT 2012 | jackofallmasterofnone

1) At this time we do not have a design engineer. I have contacted the PCB manufacturer about changing the drill file to close up the diameter on the holes a bit. This should allow the wings on the leads of the component to rest on top of the holes i

What's The Dealy-O With Smocks?

Electronics Forum | Wed Dec 21 10:36:53 EST 2005 | Loco

We have used real ESD smocks in the past, we did do those correct test, turned out after washing them 3x at 30�C, they were useless, can you image the cost involed with suppling staff with new clothing every 3 weeks? Well we did anyways and just ch

Re: Static Concerns

Electronics Forum | Mon Jan 11 21:34:37 EST 1999 | Dave f

| I know that static concerns are very important in your work. Are static concerns eliminated by the antic-static devices you wear or which are in your environment, or do the hand tools you use, such as picks, tweezers and brushes, need to be anti-st

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