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ESD Thoughts and theories.ppt

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ESD Thoughts and theories.ppt

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ESD Thoughts and theories.ppt

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文档介绍:ESD Thoughts and theories
ESD things I think about (Rev. 1)
Do you have other ESD topics we should clarify better?
Graphics I did not create are ©1999 New Vision Technologies Inc.
******@.au
1
(c) 2000 Doug Mason
Introduction
I am a soldering trainer who focuses on the management of the total process that impacts on the quality of the solder joint, from design to delivery.
One aspect I cover is the management of ESD. In researching this topic, I am running into explanations that would not satisfy my audience, who are: Process Workers, Stores people, Purchasers, Managers, and so on.
They do not want explanations that require an understanding of Laws of Physics or any mathematics, formulae, and so on. Explanations must be clear, simple and obvious, related to their everyday experiences.
******@.au
2
(c) 2000 Doug Mason
Introduction
I want to know if my explanations make sense and are correct.
Even if I am wrong, hopefully I am a catalyst for the generation of more lucid and logical simple explanations that are understandable by the munity.
When such people understand the reasons they need to take such steps, this should surely help them implement the required strategies.
******@.au
3
(c) 2000 Doug Mason
Introduction
I am interested in hearing from people who want to make positive contributions.
When you write, please tell me the Revision number (see the first Title Slide)
If you can make a useful contribution to my knowledge, please do so. My address is ******@.au
Many thanks,
Doug
******@.au
4
(c) 2000 Doug Mason
First, some basic principles . . .
******@.au
5
(c) 2000 Doug Mason
Atomic Theory
Basic Principles (1)
******@.au
6
(c) 2000 Doug Mason
An atom is made up of charges
An atom is made up of charges.
In its stable state, the size of the positive charge at the centre (nucleus) of an atom is balanced by the size of all the negative charges of the electrons, making it neutral overall.
The electrons whirl around the centre like s.

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