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Faced with serious industrial pollution and ecological damage, China has been developing environmental industry to solve these problems in recent decades. Environmental service, as one of the most rapidly growing part of environmental industry, has been playing more critical role in economic sustainability. This paper, based on Michael Porter's Five Forces Model theory for assessing the competitive...
Land grid array (LGA) sockets are used as separable interconnects between printed circuit boards, and high I/O integrated circuit components. Because the socket contacts with the component and the circuit board on both sides, low and stable contact resistances among these interfaces are desirable for the reliable electrical connection of the LGA package. This paper compares the contact resistance...
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