PATENT CLAIM ANALYSIS

Application Number: 15941129
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-04
Patent Classification: ["257", "077000"]

Abstract:
A silicon carbide crystal and a method for manufacturing the same are disclosed. The silicon carbide crystal includes a seed layer, a bulk layer, and a stress buffering structure formed between the seed layer and the bulk layer. The seed layer, the bulk layer, and the stress buffering structure are each formed with a dopant that cycles between high and low concentration. Therefore, the crystal defects can be significantly reduced.

Claim (Index 1):
A silicon carbide crystal, comprising a seed layer, a bulk layer, and a stress buffering structure formed between the seed layer and the bulk layer, wherein the seed layer, the bulk layer, and the stress buffering structure are each formed with a dopant, and the dopant of the stress buffering structure cycles between high and low concentrations;\n characterized in that the stress buffering structure includes a plurality of stacked buffer layers and a transition layer over the buffer layers, wherein the buffer layer closest to the seed layer has a variation trend of the dopant concentration similar to that of the buffer layer closest to the transition layer, and the transition layer has a dopant concentration approximately equal to that of the seed layer.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 90.0
- Lexical Diversity: 2.02564
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10508130', '14828148', '15341590', '11854878', '11006997']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9152399566676334
- 35 USC 102 Novelty (BERT): 0.5024344979107931
- Combined Prediction Score: 0.8739594107919494
- Mean Citation Score: 191.59614800000003
- Max Citation Score: 210.83835
- Similarity Product: 127.1118960768789

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