Electronics Forum: tamper (Page 1 of 2)

tamper proof (but removable) labels

Electronics Forum | Wed Jan 30 13:45:59 EST 2019 | slthomas

I'm wrestling with the infamous adjustable torque drivers on the production floor. Despite a procedure that clearly forbids it, we still have the occasional know-it-all that will just crank the knob until the desired setting is visible in the windo


Electronics Forum | Thu Dec 13 11:06:35 EST 2001 | Dermot

Hi Guys, Quick question I want to mothball a full SMT line ie shut it down so it dose not lose any deprication...I need a way of tamper proofing the equipment so that our technians do not canibal spares from the machines. Any ideas...of how to do thi

mystery parts on Samsung CP45FV

Electronics Forum | Mon Jul 06 22:25:51 EDT 2020 | jmelson

I'm looking at a Samsung CP45FV on auction. There are some mystery parts shown in the pictures, which I have attached. Two boxes with 3 lenses each. Does anyone recognize these? I'm hoping they are not part of the flying vision camera, if they are,

Epoxy Covered PCBAs Means to prevent hacking?

Electronics Forum | Mon Sep 22 22:19:16 EDT 2003 | Dean

Questions: 1. Is this a retail product sold as PCB only? Or is this in a finished chassis / case (like an external modem)? 2. Are the customers damaging only the BGA devices? Like prying them up with a screw driver? What? You can dam and fill

Epoxy Covered PCBAs Means to prevent hacking?

Electronics Forum | Wed Sep 24 20:04:44 EDT 2003 | Michel Moninger

http://www.mgchemicals.com/products/832.html Loctite makes a version too, if I recall. Designed to be tamper evident, but yes, rework is a bear. We had similar results using one of Lord Chemical's urethane potting compounds. It was a filled black fi

What's The Dealy-O With Smocks?

Electronics Forum | Sat Dec 17 08:07:47 EST 2005 | Ola

Washing the clothes is just for removing dust & dirt outside the coat that eventually can tamper with the ESD. The metal threads in a matrix grid inside the coat, will always work! You don't need to wash them more often than You normally do with Your

CM402 - lead check option

Electronics Forum | Thu Mar 24 16:46:29 EDT 2016 | tombstonesmt

The recognition system uses a image histogram for the lead tip check. So, perhaps you were scanning the area from the lead edge to .1-.2 towards the body of your QFP and not fulfilling the required pixel count for that area; increasing it allowed yo

Re: Popcorn @ reflow

Electronics Forum | Thu May 20 18:08:57 EDT 1999 | DEON NUNGARAY

| hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | your help is greatly appreciated...thanks | | omat marasigan | Deon Response:|

What is the solution for removing epoxy on BGA chips?

Electronics Forum | Sun May 21 09:38:25 EDT 2006 | davef

Epoxy Removal and IC Delidding [Hardware Hacking: Have Fun While Voiding Your Warranty, Chapter 14] Encapsulation of critical components using epoxy or other adhesives is commonly done to prevent tampering and device access (the microprocessor shown

Inspection Marking after Conformal Coating????

Electronics Forum | Sun Mar 09 09:15:21 EDT 2008 | davef

Q1. What kind of labels/ink/sharpe can be used under conformal coating without disolving etc...? A1. While we're not familiar with the conformal coat you have selected, this might help. Label selection: The following chemically durable materials are

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