Electronics Forum: how long do desiccants last (Page 1 of 13)

How long does it tkae for Tin-Lead solder to rust if put outside

Electronics Forum | Fri Oct 05 21:29:43 EDT 2007 | mika

Hussman, I don't understand the last sentence of yours "but far from where this thread was going". What do you mean with that? I was just trying to give "Novaman" some infos. The fine old equipment You use from the old -20:s or so, is probably just a

Researching placement machines - where do I start?!

Electronics Forum | Mon Nov 09 15:58:09 EST 2009 | cellis

The biggest thing you will not get is the vision system like this. The 7722 has flying vision for most components and an upward looking vision camera for large components and BGA's. The older Quads had the Quad Align system which is laser vision.

Re: Handling of Moisture sensitive devices

Electronics Forum | Thu Jan 27 20:34:12 EST 2000 | Dave F

Ashok: The real concern about moisture sensitivity is in plastic packaged parts. The plastic packaging used to manufacture surface mount technology devices absorb moisture from the environment. The high temperatures involved in vapor phase/reflow

Moisture Sensitive Devices

Electronics Forum | Wed May 05 14:37:58 EDT 2004 | Gaz

I'm not in production, but I do repairs by replacing CSP & LGA components on PCB's. Our components are supplied sealed in packs of 5 with a humidity indicator card and desiccant. I recently failed an audit by the company I do the work for because th

siemens nozzles cracking

Electronics Forum | Thu Jul 22 05:43:56 EDT 2004 | jbtech

Can some one explain to me why the ceramic nozzles are cracking not on the tip but on the base??? also how long do the sleeves last, no informaton from siemens they just came in and changed from 'o'ring to bearing type?? Thanks Julie

No such thing as a Compact Reflow Oven?

Electronics Forum | Tue Mar 27 04:56:39 EDT 2018 | reckless

What do you think of the Hanwha Techwin placement machines? I like their cph ratings but not sure how reliable and long lasting their machines are.

Life Expectancy

Electronics Forum | Sat Oct 13 10:20:20 EDT 2018 | reckless

Wouldn't the VRM linear motors need to be replaced eventually? How long do they generally last on the genesis? Replacing a ball and screw is not cost prohibitive but the linear motors sounds like it would be. Wouldn't that be the life of a genesis

Panasonic Nozzles

Electronics Forum | Mon Nov 29 07:51:25 EST 2004 | Joe

Thanks Gaurav I am a University student in the UK and am doing some research on nozzle design for the University. I am trying to get a gerneral picture of how long these nozzles last and there mode of failure. I beleive the nozzles are RSS, MA and

Goldfinger protection

Electronics Forum | Fri Jan 02 17:47:21 EST 2004 | gpaelmo

Yes, We have done away with masking with kapton 8 yrs ago. As long as the goldfingers are leading edge you can use one of these: 1. rubber goldfinger boot/glove - contact east use to carry them...don't know if they still do. 2. fiberglass glove - ma

Universal Instruments Genesis Servo Amp

Electronics Forum | Thu Feb 21 05:34:21 EST 2019 | reckless

I have 2 older genesis machines currently down due to VRM Servo issues. I'm debating whether its better to stock up on some spares as I'm finding spares cheap currently. How often do they go out and how long should they last? Any other parts that

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