PATENT CLAIM ANALYSIS

Application Number: 15973486
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2019-05
Patent Classification: ["438", "702000"]

Abstract:
A composition for etching may include phosphoric acid, an ammonium-based compound, at least one of hydrochloric acid or a polyphosphate-based compound, and a silicon-containing compound.

Claim (Index 8):
The method of etching a silicon nitride layer of  claim 7 , further comprising:\n forming a silicon oxide layer on the substrate before the etching process, wherein the etching process comprises applying the composition for etching on the silicon oxide layer and the silicon nitride layer.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 93.0
- Lexical Diversity: 1.26087
- Patent Class: 438.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14573845', '14824786', '13601064', '13708362', '14797050']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8704752365753436
- 35 USC 102 Novelty (BERT): 0.4959726969359774
- Combined Prediction Score: 0.8330249826114071
- Mean Citation Score: 243.677996
- Max Citation Score: 269.83774
- Similarity Product: 221.8126608289349

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