PATENT CLAIM ANALYSIS

Application Number: 15989373
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["257", "077000"]

Abstract:
A silicon carbide substrate is composed of silicon carbide, and when a main surface thereof is etched with chlorine gas, the overall length of linear etch-pit groups observed in the main surface is equal to or less than the diameter of the substrate.

Claim (Index 16):
A silicon carbide substrate comprising silicon carbide, wherein, when a main surface thereof is etched with chlorine gas, an overall length of linear etch-pit groups observed in the main surface is from at least 20 mm to no more than 150 mm, a diameter of the substrate is 150 mm, and the main surface is a crystal plane having an off angle of less than 8 degrees with respect to the Si plane.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 93.0
- Lexical Diversity: 1.39394
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15527121', '15006423', '15567443', '15750606', '15552863']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9115013531516776
- 35 USC 102 Novelty (BERT): 0.4954123651234798
- Combined Prediction Score: 0.8698924543488579
- Mean Citation Score: 178.421304
- Max Citation Score: 272.6264
- Similarity Product: 233.9529653830052

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