V-groove device

While the V-groove devices which appeared in the late seventies looked set to find an important place in the market, particularly in the area of high frequency power conversion, the overall dominance of the power bipolar transistor did not seem seriously threatened. However, when the more easily manufacturable vertical DMOS devices appeared in volume in 1978, the scene was set for a revolution. [26]... 

In the so-called V-groove device, sample solution flows as a thin stream along a V-shaped groove cut into a metal block. A gas flow is arranged almost coincident with and in the direction... 

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