Free Computers Flashcards about Block 1 Unit 2

QuestionAnswer What are the three main functions of grounding? Personnel safety, equipment protection, and electrical noise reduction What are the 3 subsystems of the facility ground system? Earth electrode, fault protection, and signal reference What facility ground subsystem is also known as the safety ground? The fault projection subsystem What is bonding? Establishment of a low-impedance path between two metal surfaces:\ What does the term bond refer to? The term "bond refers to both the mechanical interface between the joined conductors and to bonding straps used to interconnect two separate conductors What are two types of bonding? Direct and indirect bonding Corrosion can occur in What kinds of metals? Unlike What is ESD caused by? ESD is caused by the buildup of electrical charge (Static electricity) on one surface that is suddenly transferred to another surface when they touch Another name for static electricity or electricity at rest is? Triboelectricity What type of ESD failure results in a total failure of the component or assembly? Catastrophic What type of ESD failure has happened when the component appears to be operation normally but may experience prematurely failure Latent What are the 3 primary control measures for the ESD program? Workstation and personnel ground, handling precautions, and protective packaging What is the best method for controlling electrostatic discharge across an ESDs device? Prevent the build-up of the charge. Before removing an ESDS circuit card from equipment, the technician will? Ensure they are at the same potential as the equipment. Working with Electrostatic discharge sensitive devices, which of the following statements is TRUE A. Wear Clothing of nylon B. Handle ESDS items by leads C. Ensure all hand tools are properly grounded prior to use D. Remove ESD from packages before use C. Ensure All hand tools are properly grounded prior to use How do you identify a package that requires special handling? Packages containing ESDS devices must be identified with a label as shown in Figure 2-4 How can you control the buildup of static and/or its discharge during shipping? ESDS packaging is designed to minimize frictional or triboelectric charging of packs due to rubbing together during shipping List some of the things that physical security requirements for a facility are dependent upon The type and level of the information handled in a facility, type of equipment, mission of the unit to which assigned and the duty hours of the facility. List the three limited access areas? A Control Area, Restricted Area, and a No-Lone Zone What us your main role when it comes to facility security? To know the reequipments for your nit assignment and apply common sense security practices What measures include the use of proven systems and technologies designed to deter, detect, report and react against threats? Active The use of hedges or ditches around a building, bright lighting and limiting numbers of entrances to a building are examples of what? measures Passive Which Air Force Publication series covers all safety topics? 91-series Which AF publication outlines Communications Electronics Systems Safety? AFM 91-203 Safety is the responsibility of ? All Personnel

ESD protection is a vital consideration when working with sensitive electronic components and assemblies. ESD stands for electrostatic discharge and refers to sudden releases of built-up static electricity. This common phenomenon can damage electronic parts if not guarded against. Electrostatic discharge protection involves a broad range of products and techniques.

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There are various key strands involved in taking a comprehensive approach to full ESD protection - simply adding a couple of anti-static products into your normal workflow is not enough. Proper ESD control is about ensuring the right combination of tools, clothing, working environments, staff training, and user behaviour is deployed effectively.

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This introductory guide is intended to cover many of these ESD control products and techniques. We aim to help you understand what ESD protection is and what methods you can use to minimise the risk of electrostatic damage to sensitive components. We will also answer several common questions around the wider issue of ESD-aware electronics handling.

By the end of this guide, you should have a clear view of exactly what ESD protection means in practice. You will also be aware of various methods and products used for effective electrostatic discharge protection, as well as the types of training required to improve ESD control handling procedures.

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