PATENT CLAIM ANALYSIS

Application Number: 15937674
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-10
Patent Classification: ["257", "494000"]

Abstract:
A superjunction power semiconductor device includes a termination region with superjunction structures having higher breakdown voltage than the breakdown voltage of the active cell region. In one embodiment, the termination region includes superjunction structures having lower column charge as compared to the superjunction structures formed in the active cell region. In other embodiments, a superjunction power semiconductor device incorporating superjunction structures with slanted sidewalls where the grading of the superjunction columns in the termination region is reduced as compared to the column grading in the active cell region. The power semiconductor device is made more robust by ensuring any breakdown occurs in the core region as opposed to the termination region. Furthermore, the manufacturing process window for the power semiconductor device is enhanced to improve the manufacturing yield of the power semiconductor device.

Claim (Index 10):
The superjunction power semiconductor device of  claim 6 , further comprising a transition region between the active cell region and the termination region, the transition region comprising a third superjunction structure having fifth columns of the first conductivity and sixth columns of the second conductivity types, the sixth columns having a column width that decreases from the first column width to the second column width from the active cell region to the termination region, and the sixth columns having a column pitch that decreases from the first column pitch to the second column pitch from the active cell region to the termination region.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 90.0
- Lexical Diversity: 2.31148
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12610052', '12709114', '13923065', '13900162', '15632204']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9330113511625128
- 35 USC 102 Novelty (BERT): 0.5308666310806659
- Combined Prediction Score: 0.8927968791543279
- Mean Citation Score: 351.447778
- Max Citation Score: 368.7433
- Similarity Product: 276.9093997603178

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test