PATENT CLAIM ANALYSIS

Application Number: 16006571
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-12
Patent Classification: ["257", "076000"]

Abstract:
A semiconductor device fabrication method includes forming first and second spaced apart base regions and source regions in a substrate with a portion of a drift region therebetween. The method further includes forming at least a first trench extending laterally through the base region, the drift region and the source region, the first trench extending vertically partially through the source region. The method also includes forming a first oxide layer over the trenched upper surface, and forming a polysilicon layer over the first oxide layer. The polysilicon layer is patterned to form the gate conductor, and a drain contact is formed on a bottom surface of the semiconductor substrate.

Claim (Index 4):
The method of  claim 2 , wherein step d) further comprises forming the first trench using reactive ion etching.

Metadata:
- Claim Count in Document: 18.0
- Percentile: 94.0
- Lexical Diversity: 2.08929
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15027629', '10946547', '14154790', '14154736', '15239093']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.911838320772132
- 35 USC 102 Novelty (BERT): 0.5261039309857918
- Combined Prediction Score: 0.8732648817934979
- Mean Citation Score: 226.437496
- Max Citation Score: 283.4025
- Similarity Product: 168.45293938636777

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