PATENT CLAIM ANALYSIS

Application Number: 15872224
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["355", "053000"]

Abstract:
An exposure apparatus that can prevent disadvantages due to a leaked liquid is provided. The exposure apparatus includes a substrate holder that includes a peripheral wall portion and supporting portions located on an inside of the peripheral wall portion and that supports a substrate with the supporting portions by negatively pressurizing a space surrounded by the peripheral wall portion, and a recovery mechanism that includes a collection inlets provided on the inside of the peripheral wall portion and a vacuum system connected to the collection inlets, in which a liquid penetrated from an outer periphery of the substrate is sucked and recovered, in the state with an upper surface of the peripheral wall portion and a back surface of the substrate being spaced at a first distance.

Claim (Index 1):
A liquid immersion exposure apparatus comprising:\n a projection system; a nozzle member having an opening via which an exposure light is projected, the nozzle member having a supply port facing downwardly and a recovery port facing downwardly; and a substrate stage on which a substrate is held, wherein the substrate stage has (i) an upper surface on a portion of which a liquid immersion area is formed, the upper surface including a liquid repellent surface, (ii) a peripheral wall portion having an upper surface facing a back surface of the held substrate and (iii) a supporting portion located on an inside of the peripheral wall portion, by which the substrate is supported, and wherein the substrate stage has a recovery port for collecting liquid which comes from a gap between the upper surface of the substrate stage and an upper surface of the held substrate.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 86.0
- Lexical Diversity: 2.09524
- Patent Class: 355.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15283718', '11629987', '13758327', '15601202', '11792924']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7177049561769355
- 35 USC 102 Novelty (BERT): 0.4948725467314231
- Combined Prediction Score: 0.6954217152323843
- Mean Citation Score: 269.185432
- Max Citation Score: 304.39706
- Similarity Product: 258.53749454895257

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

Dataset: test