A special shape of collector is designed in order to reduce contact resistance and non-uniformity of the current; as a result the total current density in the device is increased.
为了减小器件的接触电阻和电流的非均匀性，使用了独特形状的集电极，总的电流密度也因此提高。
A special shape of collector is designed in order to reduce contact resistance and non-uniformity of the current; as a result the total current density in the device is increased.
为了减小器件的接触电阻和电流的非均匀性，使用了独特形状的集电极，总的电流密度也因此提高。
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