منابع مشابه
Overview of wire bonding using copper wire or insulated wire
Wire bonding using copper or insulated wire leads to many advantages and new challenges. Research is intensively performed worldwide, leading to many new findings and solutions. This article reviews recent advances in wire bonding using copper wire or insulated wire for advanced microelectronics packaging. Journal articles, conference articles and patents published or issued recently are review...
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To monitor the beam profile in injector of BEPCII which is the upgrade project of Beijing Electron Positron Collider (BEPC). Several beam diagnostic and monitoring instruments are used. Wire scanner as a new diagnostic instrument was designed and manufactured to measure the beam profile at the end of linac in 2007.During the shutdown period of BEPCII we had installed the system at the end of li...
متن کاملWire bonding using copper wire
Purpose – This paper attempts to review recent advances in wire bonding using copper wire. Design/methodology/approach – Dozens of journal and conference articles published recently are reviewed. Findings – The problems/challenges such as wire open and short tail defects, poor bondability for stitch/wedge bonds, oxidation of Cu wire, strainhardening effects, and stiff wire on weak support struc...
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During the SPS high intensity run 2002 with LHC type beam, the breaking of several of the carbon wires in the wire scanners has been observed in their parking position. The observation of large changes in the wire resistivity and thermionic electron emission clearly indicated strong RF heating that was depending on the bunch length. A subsequent analysis in the laboratory, simulating the beam b...
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Protecting sensitive data is no longer a problem restricted to governments whose national security is at stake. With ubiquitous Internet connectivity, it is challenging to secure a network – not only to prevent attack, but also to ensure that sensitive data are not released. In this paper, we consider the problem of ensuring that only pre-authorized data leave a network boundary using either ov...
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ژورنال
عنوان ژورنال: ArchéoSciences
سال: 2009
ISSN: 1960-1360,2104-3728
DOI: 10.4000/archeosciences.2307