FUNDAMENTALS OF design for reliability

May 13th, 2015
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Introduce the need for design for reliability. List the main causes of reliability failures. How do failures relate to their mechanisms.

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ECEN5004 Ch5FUNDAMENTALS OFDESIGN FOR RELIABILITYMarko BundaloAdeel BaigChapter ObjectivesIntroduce the need for design for reliabilityList the main causes of reliability failuresHow do failures relate to their mechanismsDescribe each failurePropose design guidelines against the failureMicrosystems PackagingIntroductionElectronic Product: Performance Cost Size ReliabilityElectrical: Performance SizeManufacturing: CostMicrosystems Packaging ReliabilityReliabilityOften not designed up-front.Tested during the product qualification or afterthe product is manufactured.Expensive and time-consuming approach.Design for RELIABILITY as well !!!Microsystems Packaging5.1 What is Design for ReliabilityProduct performs the functions reliable productLong-term reliability (i.e. Automobile, Personal Computer)Economically not viable to test long-term reliable products for several years before they are sold out.To ensure over an extended period of time, two approaches can be taken:Design the systems packaging up-front for reliability.1.2.Conduct an accelerated test on the systems packaging for reliability after the system is designed, fabricated & assembled.Microsystems Packaging1. Design the systems packaging up-front for reliabilityPredetermine various potential failuremechanismsCreate an

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