PATENT CLAIM ANALYSIS

Application Number: 15961043
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-11
Patent Classification: ["257", "077000"]

Abstract:
A structure of a trench metal-oxide-semiconductor field-effect transistor includes an N-current spread layer (N-CSL) disposed on the N-drift region a split gate structure formed in the gate trench and covered by the insulating layer; and a semiconductor protection layer disposed below the bottom of the trench and adjacent to the N-drift region, wherein the insulating layer is disposed above the semiconductor protection layer to protect the insulating layer from being broken through by an electric field when the structure turns off a bias; wherein the gate is separated from the split gate by the insulating layer to form a predetermined gap; and a depth position of a bottom of the trench gate is deeper than an interface between the P-well and the N-current spread layer.

Claim (Index 5):
The structure of the UMOSFET according to  claim 3 , wherein the semiconductor protection layer and the split gate are grounded to prevent a leakage current from being generated between the semiconductor protection layer and the split gate.

Metadata:
- Claim Count in Document: 10.0
- Percentile: 91.0
- Lexical Diversity: 2.09524
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11952447', '13167806', '12761518', '13482311', '14744297']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9210995144749372
- 35 USC 102 Novelty (BERT): 0.5092265234458406
- Combined Prediction Score: 0.8799122153720275
- Mean Citation Score: 224.43952
- Max Citation Score: 237.02373
- Similarity Product: 143.14203896566988

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