PATENT CLAIM ANALYSIS

Application Number: 16169514
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["356", "625000"]

Abstract:
Metrology apparatus and methods are disclosed for measuring a structure formed on a substrate. In one arrangement, different components of a radiation beam are selectively extracted after reflection from the structure and independently detected. For each component, radiation is selected from one of a plurality of predetermined regions in a downstream pupil plane of the optical system downstream from the structure. Radiation is further selected from one of two predetermined orthogonal polarization states. The predetermined orthogonal polarization states are oriented differently as a pair for each of at least a subset of components comprising radiation selected from different predetermined regions in the downstream pupil plane.

Claim (Index 30):
The apparatus of  claim 28 , wherein the retarder comprises a quarter wave plate.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 97.0
- Lexical Diversity: 1.86667
- Patent Class: 356.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16116437', '15445536', '15445478', '15445522', '16159080']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7135425924269424
- 35 USC 102 Novelty (BERT): 0.5262247681515038
- Combined Prediction Score: 0.6948108099993986
- Mean Citation Score: 281.24498600000004
- Max Citation Score: 319.95334
- Similarity Product: 221.96088622365

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