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Abstract

A three terminal tunneling device that has a smaller voltage transition between off-current and on-current states and which also has less dependence on the lateral dimensions of the device. The device is a hybrid between a MOS transistor, a gated diode and a tunneling diode. The semiconductor device includes a lightly doped substrate of a first conductivity type. The lightly doped substrate will include a first heavily doped region of a first conductivity type formed in the substrate and a lightly doped layer of a first conductivity type disposed on the substrate and the first heavily doped region. The device also including a gate insulator layer disposed on the lightly doped layer and underlying a portion of the first heavily doped region and a gate electrode that is disposed on the gate insulator layer. Additionally, the device will include a second heavily doped region of a first conductivity formed in the substrate extending into the first heavily doped region of a first conductivity and a heavily doped region of a second conductivity formed in the substrate extending into the lightly doped substrate and spatially isolated from the first heavily doped region.

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First Claim