PATENT CLAIM ANALYSIS

Application Number: 15990000
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["438", "757000"]

Abstract:
Described herein is an etching solution comprising water, phosphoric acid solution (aqueous), and a hydroxyl group-containing solvent. Such compositions are useful for the selective removal of silicon nitride over silicon oxide from a microelectronic device having such material(s) thereon during its manufacture.

Claim (Index 21):
The method of  claim 18  wherein the hydroxyl group-containing solvent is the alkoxyalcohol and is selected from the group consisting of 3-methoxy-3-methyl-1-butanol, 3-methoxy-1-butanol, 1-methoxy-2-butanol, and a glycol monoether.

Metadata:
- Claim Count in Document: 74.0
- Percentile: 93.0
- Lexical Diversity: 1.15909
- Patent Class: 438.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15386178', '12520138', '14331958', '15743529', '14880698']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8955371971946898
- 35 USC 102 Novelty (BERT): 0.5063077479036986
- Combined Prediction Score: 0.8566142522655906
- Mean Citation Score: 260.935484
- Max Citation Score: 284.91214
- Similarity Product: 212.372527482692

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