PATENT CLAIM ANALYSIS

Application Number: 16122940
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-03
Patent Classification: ["438", "757000"]

Abstract:
Described are compositions and methods useful for wet-etching a microelectronic device substrate that includes silicon nitride; the compositions including phosphoric acid, hexafluorosilicic acid, and an amino alkoxy silane, and optionally one or more additional optional ingredients; a wet etching method of a substrate that includes silicon nitride and silicon oxide, that uses a composition as described, can achieve useful or improved silicon nitride etch rate, useful or improved silicon nitride selectivity, a combination of these, and optionally a reduction in particles present at a substrate surface after etching.

Claim (Index 18):
The composition of  claim 16  comprising from 1 to 20 weight percent organic solvent based on total weight of the composition.

Metadata:
- Claim Count in Document: 34.0
- Percentile: 97.0
- Lexical Diversity: 1.67797
- Patent Class: 438.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14331958', '12520138', '14880698', '14824786', '14573845']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8619050418477925
- 35 USC 102 Novelty (BERT): 0.4825761266208853
- Combined Prediction Score: 0.8239721503251017
- Mean Citation Score: 197.036978
- Max Citation Score: 203.26694
- Similarity Product: 151.4770272279215

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