PATENT CLAIM ANALYSIS

Application Number: 15755892
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-11
Patent Classification: ["257", "077000"]

Abstract:
The second conductivity type thin film includes: a high-concentration layer having a first impurity concentration; a first electric field relaxing layer continuous to the high-concentration layer at an outer circumference of the high-concentration layer, the first electric field relaxing layer having a second impurity concentration lower than the first impurity concentration; a second electric field relaxing layer continuous to the first electric field relaxing layer at an outer circumference of the first electric field relaxing layer, the second electric field relaxing layer having a third impurity concentration lower than the second impurity concentration; and a first electric field diffusion layer continuous to the second electric field relaxing layer at an outer circumference of the second electric field relaxing layer, the first electric field diffusion layer having a fourth impurity concentration lower than the third impurity concentration.

Claim (Index 1):
A semiconductor device having a surface outer circumferential portion, the semiconductor device comprising:\n a first conductivity type thin film; a second conductivity type thin film provided on the first conductivity type thin film;\n the second conductivity type thin film including \n a high-concentration layer having a first impurity concentration, \n a first electric field relaxing layer continuous to the high-concentration layer at an outer circumference of the high-concentration layer, the first electric field relaxing layer having a second impurity concentration lower than the first impurity concentration, \n a second electric field relaxing layer continuous to the first electric field relaxing layer at an outer circumference of the first electric field relaxing layer, the second electric field relaxing layer having a third impurity concentration lower than the second impurity concentration, and \n a first electric field diffusion layer continuous to the second electric field relaxing layer at an outer circumference of the second electric field relaxing layer, the first electric field diffusion layer having a fourth impurity concentration lower than the third impurity concentration; and \n a channel stop layer located at an ultimate end of the surface outer circumferential portion, the channel stop layer being connected to the first electric field diffusion layer, the channel stop layer having an impurity concentration higher than an impurity concentration of the first conductivity type thin film, the channel stop layer having a first conductivity type.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 88.0
- Lexical Diversity: 4.11429
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15755828', '13921674', '16063733', '14946465', '14692458']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.911322415429786
- 35 USC 102 Novelty (BERT): 0.5314032993314736
- Combined Prediction Score: 0.8733305038199546
- Mean Citation Score: 297.7304640000001
- Max Citation Score: 347.37
- Similarity Product: 274.4914824092388

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