Electronics Forum: continuous monitoring (Page 1 of 6)

Saponifier Concentration Measurement

Electronics Forum | Mon Aug 26 09:26:51 EDT 2002 | Scott B

We have inherited the need to monitor saponifier concentration and would like to avoid the need to perform titration testing and would obviously like to introduce continuous monitoring if possible. Is refraction commonly used as a measurement method

detecting BGA micro cracks

Electronics Forum | Mon Feb 08 23:44:31 EST 2010 | glennster

Woody, Daisy chain packages are definitely needed, but if you can get packages with a dummy chip inside these will provide a more accurate simulation of working components. If possible, continuous monitoring of resistance during the test will be

Wireless wrist strap

Electronics Forum | Wed Oct 27 16:42:55 EDT 2004 | -Gill-

Can anyone provide me some information on as to how a "Continuous Wrist Strap Monitor" can be made. I would really appreciate neone's help...Thanks.

Saponifier Concentration Measurement

Electronics Forum | Mon Aug 26 20:31:34 EDT 2002 | davef

Yes, it is quite common. Does it [refraction] provide adequate resolution? => Depends on: * What you mean by �adequate�. * When during the process [cleaning solution life] you make the measurement. Is the [refraction] measurement affected signifi

Speaking of Lead

Electronics Forum | Wed May 07 16:19:19 EDT 2008 | ck_the_flip

The Chinese EPA can be "bought!" They'll allow the continuation of acid rain, de-forestation, and dumping old PCs and monitors in their landfills... IF AND ONLY IF... the price is right! http://chinadigitaltimes.net/cat/focus/environmental-crisis//

Re: Reflow Oven Evaluation Using Cpk

Electronics Forum | Sat Mar 21 12:10:03 EST 1998 | Philip C. Kazmierowicz

| Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | 1. Cpk's

Re: Reflow Oven Evaluation Using Cpk

Electronics Forum | Sat Mar 21 16:33:09 EST 1998 | Earl Moon

| | | Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | | 1.

Fingers on Wave Machines

Electronics Forum | Sun Oct 17 23:17:01 EDT 1999 | MJI

I'm interested in the various ways to assure that the fingers on a wave machine are not bent or crooked - beyond a monthly or quarterly maintenance regimen. In fact, how do you know all's well even right after maintenance? That is, making sure that

Re: Void in solder bump

Electronics Forum | Fri Jan 15 13:35:03 EST 1999 | Terry Burnette

| I saw the problem of void in solder bump or in lead less component or some BGA. But I didn't have standard specification of that void is accept or reject? Do any body have the better idea or suggestion of the criteria ? | | Thank you, | Wirat

Saponifier Concentration Measurement

Electronics Forum | Mon Aug 26 12:44:42 EDT 2002 | dragonslayr

Scott- I've used both methods, titration and refractometer. Both are simple to perform. Titration is a simple, high school science class type process. Follow the chemical mixes accurately and then compare the resulting color change of liquid to a cha

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