PATENT CLAIM ANALYSIS

Application Number: 15876412
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-11
Patent Classification: ["257", "341000"]

Abstract:
According to an embodiment, a method of manufacturing a semiconductor device includes forming a semiconductor layer having a first conductivity type on a semiconductor substrate, forming a trench in the semiconductor substrate and the semiconductor layer, forming a semiconductor film having a second conductivity type on an inner wall surface and a bottom surface of the trench, forming a first insulating film including silicon oxide on a side surface and a bottom surface of the semiconductor film, forming a second insulating film including silicon nitride on a side surface and a bottom surface of the first insulating film, and forming a third insulating film including silicon oxide on a side surface and a bottom surface of the second insulating film.

Claim (Index 19):
The device according to  claim 14 , further comprising:\n a fourth semiconductor region having the first conductivity type, the first semiconductor region and the second semiconductor region being located on an upper surface of the fourth semiconductor region, wherein the insulating section is located on a side surface and a bottom surface of the fourth semiconductor region.

Metadata:
- Claim Count in Document: 19.0
- Percentile: 86.0
- Lexical Diversity: 3.34211
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15418409', '14860700', '15250847', '12390033', '13675682']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9097005491543728
- 35 USC 102 Novelty (BERT): 0.4689355751100417
- Combined Prediction Score: 0.8656240517499397
- Mean Citation Score: 168.67953799999995
- Max Citation Score: 172.696
- Similarity Product: 133.84265891695023

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