PATENT CLAIM ANALYSIS

Application Number: 15764426
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-10
Patent Classification: ["257", "024000"]

Abstract:
The tunnel field effect transistor according to the present invention has: a channel; a source electrode connected directly or indirectly to one end of the channel; a drain electrode connected directly or indirectly to the other end of the channel; and a gate electrode for causing an electric field to act on the channel, generating a tunnel phenomenon at the source electrode-side joint part of the channel, and simultaneously generating a two-dimensional electron gas in the channel.

Claim (Index 2):
The tunnel-field-effect transistor according to  claim 1  further comprising:\n a substrate including a (111) surface and made of a group IV semiconductor doped to be a first conductivity type; \n an insulating film covering the (111) surface of the substrate and including an opening; \n a core-multishell nanowire made of a group III-V compound semiconductor, the core-multishell nanowire being disposed on the (111) surface of the substrate exposed in the opening and on the insulating film at a peripheral portion of the opening; \n one of the source electrode and the drain electrode connected with the substrate; \n the other of the source electrode and the drain electrode connected with the core-multishell nanowire; \n a gate insulating film disposed on a side surface of the core-multishell nanowire; and \n the gate electrode disposed on the gate insulating film and configured to operate such that an electric field acts on at least a part of the core-multishell nanowire, wherein: \n the core-multishell nanowire includes:\n a center nanowire made of a group III-V compound semiconductor, the center nanowire including a first region connected with the (111) surface of the substrate exposed in the opening, and a second region connected with the first region and doped to be a second conductivity type different from the first conductivity type, the center nanowire being the channel, \n a barrier layer made of a group III-V compound semiconductor having a band gap greater than a band gap of the group III-V compound semiconductor of the center nanowire, the barrier layer covering a side surface of the center nanowire, \n a modulation dope layer made of a group III-V compound semiconductor of the second conductivity type having a band gap greater than the band gap of the group III-V compound semiconductor of the center nanowire and smaller than the band gap of the group III-V compound semiconductor of the barrier layer, the modulation dope layer covering the barrier layer, and \n a cap layer made of a group III-V compound semiconductor having a band gap equal to or greater than the group III-V compound semiconductor of the center nanowire, the cap layer covering the modulation dope layer, \n \n the first region is an intrinsic semiconductor, or is doped to be the second conductivity type such that an impurity concentration of the first region is lower than an impurity concentration of the second region; \n the barrier layer is an intrinsic semiconductor, or is doped to be the second conductivity type such that an impurity concentration of the barrier layer is lower than an impurity concentration of the modulation dope layer; \n the cap layer is an intrinsic semiconductor, or is doped to be the second conductivity type such that an impurity concentration of the cap layer is lower than the impurity concentration of the modulation dope layer; \n the other of the source electrode and the drain electrode is connected with the second region of the center nanowire; and \n the gate electrode operates such that an electric field acts on a junction interface between the (111) surface of the substrate and the center nanowire and the first region of the center nanowire to cause tunneling at the junction interface while generating the two-dimensional electron gas at the first region.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 90.0
- Lexical Diversity: 1.78723
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13499333', '14911609', '13513082', '15031575', '14407007']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9251897983851354
- 35 USC 102 Novelty (BERT): 0.5139127031658218
- Combined Prediction Score: 0.884062088863204
- Mean Citation Score: 294.7356200000001
- Max Citation Score: 318.70035
- Similarity Product: 257.4264232491821

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test