PATENT CLAIM ANALYSIS

Application Number: 15980635
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2019-01
Patent Classification: ["257", "139000"]

Abstract:
In one embodiment, a semiconductor device includes a semiconductor substrate having an upper surface, a trench electrode placed inside a trench formed on the upper surface, and a trench insulating film placed between the trench electrode and the semiconductor substrate, and the semiconductor substrate includes a drift layer, a floating layer for electric field reduction, a hole barrier layer, a body layer and an emitter layer, and the emitter layer, the body layer and the hole barrier layer are separated from the drift layer by the floating layer for electric field reduction, and a path of a carrier passing through an inverted layer formed in the body layer includes the body layer, the hole barrier layer, a non-inverted region of the floating layer for electric field reduction, and the drift layer.

Claim (Index 15):
The semiconductor device according to  claim 1 , wherein\n the trench electrode includes a plurality of first trench electrodes to which a gate voltage is applied to form an inverted region in a part of the second semiconductor layer in contact with the trench insulating film, the third semiconductor layer, the second semiconductor layer and the barrier layer are placed between the first trench electrodes adjacent to each other among the plurality of first trench electrodes arranged side by side, and the floating layer is placed along a lower end of each of the first trench electrodes.

Metadata:
- Claim Count in Document: 30.0
- Percentile: 93.0
- Lexical Diversity: 2.95918
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15955819', '15706403', '13470473', '15411268', '15145712']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9248320828435392
- 35 USC 102 Novelty (BERT): 0.4862422051551704
- Combined Prediction Score: 0.8809730950747025
- Mean Citation Score: 214.4679
- Max Citation Score: 226.38156
- Similarity Product: 179.42900703261853

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