PATENT CLAIM ANALYSIS

Application Number: 15988677
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["356", "509000"]

Abstract:
A metrology apparatus is disclosed that measures a structure formed on a substrate to determine a parameter of interest. The apparatus comprises an optical system configured to focus radiation onto the structure and direct radiation after reflection from the structure onto a detector, wherein: the optical system is configured such that the detector detects a radiation intensity resulting from interference between radiation from at least two different points in a pupil plane field distribution, wherein the interference is such that a component of the detected radiation intensity containing information about the parameter of interest is enhanced relative to one or more other components of the detected radiation intensity.

Claim (Index 19):
The apparatus of  claim 16 , further comprising:\n an optical weighting unit configured to modify either or both of phase and amplitude of radiation from one or more different points in the pupil plane field distribution prior to radiation from those points contributing to the detected radiation intensity.

Metadata:
- Claim Count in Document: 38.0
- Percentile: 93.0
- Lexical Diversity: 1.73846
- Patent Class: 356.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15387431', '14970247', '15683126', '12805852', '15723820']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7412522619971189
- 35 USC 102 Novelty (BERT): 0.495854964364721
- Combined Prediction Score: 0.7167125322338792
- Mean Citation Score: 266.531982
- Max Citation Score: 271.62698
- Similarity Product: 213.994765211612

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