PATENT CLAIM ANALYSIS

Application Number: 15912099
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-11
Patent Classification: ["257", "173000"]

Abstract:
A semiconductor device with a simplified structure including an energization control element and reverse coupling protection element, and a manufacturing method therefor. Its semiconductor substrate has deep and shallow trenches in its first surface. A first n-type impurity region lies in its second surface in contact with the deep trench bottom. A p-type impurity region includes: a p-type base region to make a pn junction with the first n-type region and in contact with the shallow trench bottom; and a back gate region joined to the p-type base region, lying in the first surface. A second n-type impurity region makes a pn junction with the p-type impurity region, lying in the first surface in contact with the shallow trench side face. An n +  source region makes a pn junction with the p-type region, lying in the first surface in contact with the side faces of deep and shallow trenches.

Claim (Index 5):
The semiconductor device according to  claim 1 , further comprising an extension region of the first conductivity type being in contact with the shallow trench on the second surface side of the fourth region and having a lower impurity concentration than the fourth region.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 90.0
- Lexical Diversity: 2.6129
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10439540', '14324632', '13766148', '13965559', '12458968']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9015904920757948
- 35 USC 102 Novelty (BERT): 0.495576691047936
- Combined Prediction Score: 0.8609891119730091
- Mean Citation Score: 217.457258
- Max Citation Score: 228.43718
- Similarity Product: 172.83564356538415

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

Dataset: test