PATENT CLAIM ANALYSIS

Application Number: 15918652
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["257", "077000"]

Abstract:
A semiconductor device has a semiconductor layer and a substrate. The semiconductor layer constitutes at least a part of a current path, and is made of silicon carbide. The substrate has a first surface supporting the semiconductor layer, and a second surface opposite to the first surface. Further, the substrate is made of silicon carbide having a 4H type single-crystal structure. Further, the substrate has a physical property in which a ratio of a peak strength in a wavelength of around 500 nm to a peak strength in a wavelength of around 390 nm is 0.1 or smaller in photoluminescence measurement. In this way, the semiconductor device is obtained to have a low on-resistance.

Claim (Index 22):
A transistor having a current path, comprising:\n a semiconductor layer constituting at least a part of said current path and made of silicon carbide; and a substrate that has a first surface supporting said semiconductor layer and a second surface opposite to said first surface, that is made of silicon carbide having a 4H type single-crystal structure, and that has a physical property in which a ratio of a peak strength in a wavelength of around 500 nm to a peak strength in a wavelength of around 390 nm is 0.1 or smaller in photoluminescence measurement.

Metadata:
- Claim Count in Document: 32.0
- Percentile: 90.0
- Lexical Diversity: 2.11864
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13634860', '13512459', '13434233', '13122353', '13062057']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9200537967024768
- 35 USC 102 Novelty (BERT): 0.4987410675961883
- Combined Prediction Score: 0.877922523791848
- Mean Citation Score: 244.864492
- Max Citation Score: 301.26132
- Similarity Product: 295.75881521417136

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test