PATENT CLAIM ANALYSIS

Application Number: 15873094
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["505", "300000"]

Abstract:
A thermal poling method in which a poling treatment can be performed easily by a dry process. The poling treatment is performed on a PZT film by performing a heat treatment on the PZT film under a pressurized oxygen atmosphere at a temperature of 400° C. or more and 900° C. or less. The PZT film before the heat treatment has a single-domain crystal structure, and the PZT film after the heat treatment has a multi-domain crystal structure.

Claim (Index 1):
An inspection method of piezoelectric property, comprising the steps of: comparing peak positions in XRD results of each of a first ferroelectric film and a second ferroelectric film, determining that a piezoelectric property is excellent when the peak position of said second ferroelectric film is shifted to a lower-angle side than the peak position of said first ferroelectric film, and determining that a piezoelectric property is not excellent when the peak position of said second ferroelectric film is not shifted to a lower-angle side than the peak position of said first ferroelectric film, wherein\n said first ferroelectric film is one not subjected to a thermal poling treatment, and said second ferroelectric film is one subjected to a thermal poling treatment.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 86.0
- Lexical Diversity: 1.78261
- Patent Class: 505.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14578907', '14350864', '14824167', '14543024', '13690263']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6321215379871848
- 35 USC 102 Novelty (BERT): 0.5462200253946158
- Combined Prediction Score: 0.623531386727928
- Mean Citation Score: 238.58043400000005
- Max Citation Score: 401.60693
- Similarity Product: 317.19070454956886

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

Dataset: test