PATENT CLAIM ANALYSIS

Application Number: 15934576
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-10
Patent Classification: ["359", "569000"]

Abstract:
A diffractive optical element  10  includes a first diffraction grating  4 , a second diffraction grating  5 , films  6  formed between the first diffraction grating  4  and the second diffraction grating  5 . The DOE  10  satisfies a conditional expression of n 2 <n 1 <n ha , where n ha  is an average refractive index of films  6 b  formed between grating wall surfaces  4 b  and grating wall surfaces  5 b  at a wavelength of 550 nm, n 1  is a refractive index of the first diffraction grating  4  at a wavelength of 550 nm, and n 2  is a refractive index of the second diffraction grating  5  at a wavelength of 550 nm. The films  6 b  and films  6 a  that are formed between grating surfaces  4 a  and grating surfaces  5 a  satisfy a predetermined relationship.

Claim (Index 12):
The diffractive optical element according to  claim 8 , wherein the following conditional expression is satisfied:\n d sc <d se , where d s (r) is a thickness of a part of the film formed between the grating surface of the first diffraction grating and the grating surface of the second diffraction grating at a position a distance r away from a center of the concentric diffraction gratings, r max  is a radius of a boundary that is farthest from the center of the concentric diffraction gratings and between the grating surface and the grating wall surface of the first diffraction grating, d sc  is an average value of d s (r) in a range in which a distance from the center of the concentric diffraction gratings is no less than 0 and no more than r max /3, and d se  is an average value of d s (r) in a range in which the distance from the center of the concentric diffraction gratings is no less than 2r max /3 and no more than r max .

Metadata:
- Claim Count in Document: 32.0
- Percentile: 90.0
- Lexical Diversity: 2.96
- Patent Class: 359.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13157751', '15648756', '12948983', '11996116', '15149245']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.838494628929352
- 35 USC 102 Novelty (BERT): 0.4996080138232122
- Combined Prediction Score: 0.804605967418738
- Mean Citation Score: 272.171088
- Max Citation Score: 297.86234
- Similarity Product: 225.81062148840192

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