PATENT CLAIM ANALYSIS

Application Number: 16264540
Application Type: Utility
Filing Date: 2019-01
Publication Date: 2019-06
Patent Classification: ["257", "334000"]

Abstract:
A trench MOSFET device is fabricated with body source regions that undulate along a channel width direction of the MOSFET device such that the body region and source region have variations in depth along the channel width direction. The undulations increase a channel width of the MOSFET device.

Claim (Index 1):
A method for fabricating a trench MOSFET device, comprising:\n forming a lightly doped epitaxial layer of a first conductivity type on a heavily doped semiconductor substrate of the first conductivity type; forming an gate electrode into the lightly doped epitaxial layer; forming a body region of a second conductivity type opposite to the first conductivity type provided in portions of the lightly doped epitaxial layer, wherein the body region has a first undulation along the channel width direction; and forming a source region of the first conductivity type provided in top portions of the body region, wherein the source region has a second undulation along the channel width direction above the first undulation.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 99.0
- Lexical Diversity: 1.66667
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15364827', '15199828', '15620717', '12484166', '13024256']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9140965203866138
- 35 USC 102 Novelty (BERT): 0.5111037113928684
- Combined Prediction Score: 0.8737972394872393
- Mean Citation Score: 207.6153
- Max Citation Score: 289.33646
- Similarity Product: 270.4282027497458

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