PATENT CLAIM ANALYSIS

Application Number: 15864714
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-07
Patent Classification: ["257", "432000"]

Abstract:
The back reflection in photodiodes is caused by an abrupt index contrast between the input waveguide and the composite waveguide/light absorbing material. In order to improve the back reflection, it is proposed to introduce an angle between the waveguide and the leading edge of the light absorbing material. The angle will result in gradually changing the effective index between the index of the waveguide and the index of the composite section, and consequently lower the amount of light reflecting back.

Claim (Index 1):
A photodetector device comprising:\n a substrate; a waveguide extending on the substrate, including an index of refraction, and an input section including an optical axis for transmitting an optical signal along the optical axis; a light-absorber material for generating electrical signals by absorbing the optical signal, the light-absorber material disposed adjacent to a section of the waveguide forming a composite section therewith, with an effective combined index of refraction; wherein a leading edge of the light absorber material is at a first acute angle to the optical axis of the input section of the waveguide ensuring a more gradual change in the effective index of refraction between the index of refraction of the waveguide and the combined index of refraction of composite section.

Metadata:
- Claim Count in Document: 16.0
- Percentile: 86.0
- Lexical Diversity: 1.88889
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11568855', '12026745', '13349957', '14967196', '11005286']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9067087241138064
- 35 USC 102 Novelty (BERT): 0.4652472427716571
- Combined Prediction Score: 0.8625625759795916
- Mean Citation Score: 152.19773999999995
- Max Citation Score: 158.35408
- Similarity Product: 121.97979401851654

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