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The sediment characteristics of hydrate-bearing reservoirs profoundly affect the formation, distribution, and morphology of gas hydrate. The presence and type of gas, porewater chemistry, fluid migration, and subbottom temperature may govern the hydrate formation process, but it is the host sediment that commonly dictates final hydrate habit, and whether hydrate may be economically developed.In this...
The recently developed helium ion microscope (HIM) can be operated in three imaging modes; ion induced secondary electron (SE) mode, Rutherford Backscatter imaging (RBI) mode, and scanning transmission ion imaging (STIM) mode. When low k dielectric or copper interconnects are imaged in these modes, it was found that unique pattern dimension and fidelity information at sub-nanometer resolution is available...
The recently developed helium ion microscope (HIM) can be operated in three imaging modes; ion induced secondary electron (SE) mode, Rutherford Backscatter imaging (RBI) mode, and scanning transmission ion imaging (STIM) mode. When low k dielectric or copper interconnects are imaged in these modes, it was found that unique pattern dimension and fidelity information at sub-nanometer resolution is available...
The scanning helium ion microscope (HIM) is capable of sub-nanometer resolution using ion induced secondary electron (SE) mode and back scattered ion (RBI) mode imaging. In addition to its long working distance and sub-nanometer resolution, the helium ion microscope in RBI mode provides contrast that is material Z dependent on a nanometer scale. By the complementary use of charge neutralizing electrons,...
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