PATENT CLAIM ANALYSIS

Application Number: 16408605
Application Type: Utility
Filing Date: 2019-05
Publication Date: 2019-08
Patent Classification: ["355", "067000"]

Abstract:
In a method of controlling a lithographic apparatus, historical performance measurements are used to calculate a process model relating to a lithographic process. Current positions of a plurality of alignment marks provided on a current substrate are measured and used to calculate a substrate model relating to a current substrate. Additionally, historical position measurements obtained at the time of processing the prior substrates are used with the historical performance measurements to calculate a model mapping. The model mapping is applied to modify the substrate model. The lithographic apparatus is controlled using the process model and the modified substrate model together. Overlay performance is improved by avoiding over- or under-correction of correlated components of the process model and the substrate model. The model mapping may be a subspace mapping, and dimensionality of the model mapping may be reduced, before it is used.

Claim (Index 18):
The computer program product of  claim 16 , wherein the mapping operation is a linear projection or a nonlinear projection.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 100.0
- Lexical Diversity: 2.33846
- Patent Class: 355.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15763780', '14103486', '15528693', '11484849', '16132520']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6874641423550405
- 35 USC 102 Novelty (BERT): 0.5163600022748491
- Combined Prediction Score: 0.6703537283470214
- Mean Citation Score: 249.01382200000003
- Max Citation Score: 339.4751
- Similarity Product: 293.4875909281671

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