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Have you caused damage from ESD?

I've read a lot about the importance of keeping an ESD safe work environment. Has anyone had a bad experience where they caused damage to an iPhone by ESD? I've repaired multiple phones for friends/family and sometimes I just work on the kitchen table without gloves or a wristband. I've never had a problem. I asked a tech at a local repair shop and she said they don't do anything to protect against ESD. I know it CAN be an issue, but has anyone fried an iPhone before?

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Phones are pretty tough against ESD.

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@mayer - I guess I missed it ;-}

The type ahead in the notification names appears to be broken

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@danj She told him what he wanted to hear, we didn't. ;-0

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@mayer - Thats OK, Jessa is the high priestess of iPhones!

We all look at things though different eyes and experiences. I think our lack of being explicit on the iPhone Vs talking about ESD in general made the difference. Besides, neither of us work on them at the depth Jessa does.

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@danj @jessa So Jessa was instrumental in creating the "iFixit MasterTech" certification exam, but wasn't granted it. I have had the same problem. The local universities wanted me to teach but wouldn't grant me credit for the courses I teach. This is a very old sore spot with me. @kaykay conference topic?

For example: Louis Rossman is a master at board level repair, everyone knows it, but "he ain't got no degree", he's not certified, who's qualified to grant it?

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We can definitely add this to our list! @mayer

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I've zapped some components in the past. Not an iPhone and haven't done it in years. It's really nasty because it's hard to trace down, can be intermittent. If you are working in the kitchen you probably don't have carpet. Before you sit down just touch the sink faucet to discharge yourself.

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Was recently working in a mine that had issues with dust that gave off ESD. The workers were constantly shorting out there walkie talkies , and if you took a laptop or cell phone into the mine it was a good as toast. This was why we were called in . We were tasked with making a dust suppression system that would go ahead of the workers into the shafts and knock down the dust and eliminate the ESD. Rubber boots and gloves were the order of the day . It was so bad if you shut off your lamp and watched you would actually see tiny bolts of lightning crackling off your clothing as you moved around . That being said back in the normal work space that is my shop Ive never had issue with it when working on phones or computers and i never wear a grounding strap . My shop does not have any carpet and the air is never very dry As @dan says it has to do with were and when .

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@jimfixer - Great story! What are they mining?

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Sorry @danj I cant say when my company took the contract we had to sign a non disclosure agreement . What i can say is it was far enough to the north that we had daylight all day. And also I hope never to go back . 2 months of isolation .

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@jimfixer - Sounds like a fun place to be ;-0

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We've all heard stories about ESD causing an explosion while filling a car with gas. The same thing can happen in other highly explosive environments including petrochemical production & certain mining operations. As a training professional, I needed a way to safely deliver job aids to those environments. Print job aids have many downsides, AR glasses are ridiculously expensive, & cell phones can create explosions, so I invented a system that verbally delivers step-by-step directions in any language to a WiFi headphone, then tracks the time used to complete each step. ;-) No static. No mess. No old directions laying around. SOP can be changed on the fly. And it's not just for explosive environments. http://www.adytonusa.com

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ESD is a tricky thing! Different locations, the season and the weather can be the difference between a good repair and one messed up by ESD (static electricity)!

Your work area is also a factor. Make sure you use static free flooring & the chair you are sitting in.

I would recommend getting an anti-static mat which is hooked up to a good ground point. That way you're covered. Whats important is placing your tools and parts on the mat so they discharge any static charge, this also includes you as well!

The big question is how sensitive is the gear you are working on. In years past it was very sensitive MOS & CMOS could easily get damaged. Newer DTL & TTL logic was less sensitive. With the start of microprocessors better techniques to protect the logic was introduced making them less sensitive every generation.

From my understanding the pendulum will be slipping the other direction as we go deeper into the sub-micron scaling of chips.

Here's a bit more: ESD Wrist Strap, What to Connect To?

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John Cavaliere さん、ありがとうございました！
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