PATENT CLAIM ANALYSIS

Application Number: 16097500
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["356", "401000"]

Abstract:
A dual-layer alignment apparatus is disclosed which includes: a fixed frame ( 40 ) and, disposed thereon, a first measuring device ( 50 ) and a mark plate ( 41 ), the mark plate ( 41 ) having a fixed-frame mark ( 20 ); and a motion stage ( 60 ) and, disposed thereon, a reference mark ( 30 ), a motion-stage mark ( 70 ) and a second measuring device ( 10 ). The first measuring device ( 50 ) is configured to measure a relative positional relationship between the reference mark ( 30 ) and the motion-stage mark ( 70 ), the second measuring device ( 10 ) is configured to measure a relative positional relationship between the reference mark ( 30 ) and the fixed-frame mark ( 20 ), from which a final relative positional relationship between the motion-stage mark ( 70 ) and the fixed-frame mark ( 20 ) is derived, based on which the motion stage ( 60 ) is displaced to a target location. A corresponding dual-layer alignment method is also disclosed. In the apparatus, the motion stage ( 60 ) is the only movable component. Additionally, coordinate relationships can be calibrated in a static manner in order to immunize calibration accuracy from positioning accuracy of the motion stage ( 60 ), such that the alignment accuracy is improved. Further, a dual- or multi-lens design can be employed to allow additional improvements in flexibility and alignment efficiency.

Claim (Index 8):
The dual-layer alignment apparatus of  claim 5 , further comprising a first light source and a second light source that are respectively connected to the second measuring device and the first measuring device and are configured to provide illumination fields of view of the second measuring device and the first measuring device.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 97.0
- Lexical Diversity: 2.83871
- Patent Class: 356.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15756272', '15568657', '15219412', '15202905', '11377282']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6925233988128267
- 35 USC 102 Novelty (BERT): 0.4947578178604049
- Combined Prediction Score: 0.6727468407175845
- Mean Citation Score: 187.143904
- Max Citation Score: 208.51549
- Similarity Product: 134.03459658124328

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

Dataset: test