PATENT CLAIM ANALYSIS

Application Number: 15901006
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-12
Patent Classification: ["257", "076000"]

Abstract:
According to one embodiment, a semiconductor device includes first, second and third electrodes, first, second, third, and fourth semiconductor regions, and an insulating portion. The first electrode includes first and second electrode portions. The first semiconductor region includes first, second, and third semiconductor portions. The first semiconductor portion is provided between the first electrode portion and the second electrode. The second semiconductor portion is provided between the second electrode portion and the third electrode. The third semiconductor portion is provided between the first and second semiconductor portions. The second semiconductor region is provided between the first semiconductor portion and the second electrode. The third semiconductor region is positioned between the second semiconductor region and the third electrode. The insulating portion includes first and second insulating regions. At least a portion of the fourth semiconductor region is provided between the second semiconductor region and the second electrode.

Claim (Index 1):
A semiconductor device, comprising:\n a first electrode including a first electrode portion and a second electrode portion; a second electrode, a first direction from the first electrode portion toward the second electrode crossing a second direction from the first electrode portion toward the second electrode portion; a third electrode, a direction from the second electrode portion toward the third electrode being along the first direction; a first semiconductor region including a first semiconductor portion, a second semiconductor portion, and a third semiconductor portion, the first semiconductor portion being provided between the first electrode portion and the second electrode in the first direction, the second semiconductor portion being provided between the second electrode portion and the third electrode in the first direction, the third semiconductor portion being provided between the first semiconductor portion and the second semiconductor portion in the second direction, the first semiconductor region including Al x1 Ga 1\u2212x N (0\u2264x1<1), the first semiconductor region including a first impurity of a first conductivity type at a first concentration; a second semiconductor region including Al x2 Ga 1\u2212x2 N (0\u2264x2<1) and being provided between the first semiconductor portion and the second electrode in the first direction, the second semiconductor region not including the first impurity, or a second concentration of the first impurity in the second semiconductor region being lower than the first concentration; a third semiconductor region including Al x3 Ga 1\u2212x3 N (0<x3<1, x1<x3, and x2<x3), a direction from the third semiconductor portion toward the third semiconductor region being aligned with the first direction, the third semiconductor region being positioned between the second semiconductor region and the third electrode in the second direction; an insulating portion including a first insulating region and a second insulating region, the first insulating region being positioned between the second semiconductor portion and the third electrode in the first direction, the second insulating region being positioned between the third semiconductor region and the third electrode in the second direction; and a fourth semiconductor region, at least a portion of the fourth semiconductor region being provided between the second semiconductor region and the second electrode, the fourth semiconductor region including Al 4 Ga 1\u2212x4 N (0\u2264x4<1), a fourth concentration of the first impurity in the fourth semiconductor region being higher than the second concentration.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 88.0
- Lexical Diversity: 5.15625
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15893932', '15439278', '15670445', '15690448', '15899925']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9226682336912246
- 35 USC 102 Novelty (BERT): 0.4939213969019512
- Combined Prediction Score: 0.8797935500122973
- Mean Citation Score: 261.954906
- Max Citation Score: 277.60986
- Similarity Product: 246.1725242099619

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