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In this paper, we successfully demonstrate ultrahigh density (> 106 cm−2) Cu-Cu interconnects of 6-µm pitch using wafer-on-wafer thermo-compression bonding. This is a significant improvement from our previous achievement of 15-µm pitch. In addition, we integrate Cu sealing frame with excellent helium leak rate to the bonded structures to promote the overall bond reliability. On top of that, temporary...
Five sampling areas which represent traffic center, industrial area, commercial area, residential area and the suburb were set in NanChang city to collect Inhalable Particulate (PM10) samples in summer and winter of 2007. The data at various sampling areas illustrated that the Polycyclic Aromatic Hydrocarbons (PAHs) concentration of PM10 in summer were lower than that in winter. In different areas...
BEPCII is a double-ring collider with a compact interaction region (IR). The IR magnet system of the BEPCII includes two superconducting magnets, two septum bending magnets, four conventional dual aperture quadrupoles and eight slim quadrupoles. These magnets are specially designed to adapt for the tight space limitation and meet the requirements of high current intensity and large beam aperture....
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