PATENT CLAIM ANALYSIS

Application Number: 16280521
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-08
Patent Classification: ["355", "055000"]

Abstract:
For determining a focus position of a lithography mask (e.g.,  5 ), a focus stack of a measurement region free of structures to be imaged is recorded and the speckle patterns of the recorded images are evaluated.

Claim (Index 17):
The metrology system of  claim 16  in which the computing device is configured to use a linear regression method (least square fit) for ascertaining the symmetrical Zernike coefficients Z n .

Metadata:
- Claim Count in Document: 29.0
- Percentile: 99.0
- Lexical Diversity: 1.32258
- Patent Class: 355.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16280494', '15410918', '16047324', '13542625', '10800110']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7207047222926682
- 35 USC 102 Novelty (BERT): 0.5416518855084121
- Combined Prediction Score: 0.7027994386142427
- Mean Citation Score: 275.94220800000005
- Max Citation Score: 448.67203
- Similarity Product: 302.8089916367865

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

Dataset: test