PATENT CLAIM ANALYSIS

Application Number: 16196530
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-03
Patent Classification: ["355", "071000"]

Abstract:
The illumination optical system for illuminating an illumination target surface with light from a light source is provided with a polarization converting member which converts a polarization state of incident light to form a pupil intensity distribution in a predetermined polarization state on an illumination pupil of the illumination optical system; and a phase modulating member which is arranged in the optical path on the illumination target surface side with respect to the polarization converting member and which transmits light from the pupil intensity distribution so as to convert linearly polarized light thereof polarized in a first direction, into required elliptically polarized light and maintain a polarization state of linearly polarized light polarized in a second direction (X-direction or Y-direction) obliquely intersecting with the first direction, in order to reduce influence of retardation caused by a subsequent optical system between the polarization converting member and the illumination target surface.

Claim (Index 30):
The illumination optical system according to  claim 29 , wherein\n the polarization direction, serving as the s-polarization or the p-polarization with respect to the reflecting surface, is excluded from the polarization direction of the second linear polarization.

Metadata:
- Claim Count in Document: 14.0
- Percentile: 98.0
- Lexical Diversity: 2.15278
- Patent Class: 355.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15390127', '13161877', '14563275', '15424085', '14124034']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7552472940893893
- 35 USC 102 Novelty (BERT): 0.5701010328238616
- Combined Prediction Score: 0.7367326679628365
- Mean Citation Score: 429.425554
- Max Citation Score: 487.9968
- Similarity Product: 409.74501763572687

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