Airline of the 21 st centuryThe first Boeing 787 Dreamliner built taking off on its maiden flightThe 787 was pitched as the airline of the future-a revolutionary plane that that would use new technology to bring aircr...
Airline of the 21 st centuryThe first Boeing 787 Dreamliner built taking off on its maiden flightThe 787 was pitched as the airline of the future-a revolutionary plane that that would use new technology to bring aircraft design into the 21 st *** Dreamliner is made of carbon-fiber reinforced plastic *** radically still, pneumatic and hydraulic systems have been ditched for electric systems.4
Electronic Product Hierarchy Electronic Package Hierarchy First level package(Single chip Module)Source : Ball Grid Array Technology, John *** Level ailures Wafel RuptureNear failures of aluminum tracks on a computer ...
Electronic Product Hierarchy Electronic Package Hierarchy First level package(Single chip Module)Source : Ball Grid Array Technology, John *** Level ailures Wafel RuptureNear failures of aluminum tracks on a computer memory chip caused by stress *** tracks are about 2 μm wide.(2500X)Electrically overstressed *** white streaks are where the initial failure occurred, possibly through *** molten aluminum conductors are secondary failures.(270X)
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