PATENT CLAIM ANALYSIS

Application Number: 16256026
Application Type: Utility
Filing Date: 2019-01
Publication Date: 2019-05
Patent Classification: ["355", "053000"]

Abstract:
An exposure apparatus includes (i) a projection optical system, (ii) a substrate stage having a substrate holder on which a substrate is held, which is movable while holding the substrate with the substrate holder, and (iii) a reference member having a first reference and a second reference for performing an alignment process, the reference member being provided on the substrate stage. At least part of an upper surface of the reference member includes a liquid repellent material. The substrate is aligned based on information obtained from the alignment process. The substrate is exposed through liquid in a liquid immersion area formed locally on an upper surface of the substrate.

Claim (Index 7):
The exposure apparatus according to  claim 1 , wherein the substrate stage is movable from a first state in which the upper surface of the substrate is opposed to the projection optical system to a second state in which the upper surface of the reference member is opposed to the projection optical system, while the liquid is retained on an image plane side of the projection optical system.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 99.0
- Lexical Diversity: 1.98387
- Patent Class: 355.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11399537', '15199195', '14693320', '13354899', '11141518']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7557845063749126
- 35 USC 102 Novelty (BERT): 0.5305534032818713
- Combined Prediction Score: 0.7332613960656085
- Mean Citation Score: 355.885716
- Max Citation Score: 382.08685
- Similarity Product: 357.5931595377446

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