PATENT CLAIM ANALYSIS

Application Number: 16096443
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["250", "311000"]

Abstract:
A reference sample ( 41 ) has a step/terrace structure made of monocrystalline SiC and a surface of each terrace has first or second stack orientation. In the reference sample ( 41 ), contrast as difference in lightness and darkness between an image of a terrace with a surface directly under which the first stack orientation lies and an image of a terrace with a surface directly under which the second stack orientation lies changes according to an incident electron angle which is an angle that an electron beam emitted from a scanning electron microscope forms with a perpendicular to the terrace surface. Even when a SiC substrate has an off angle (e.g., from 1° to 8°), using an inclined support base ( 20 a ) capable of correcting the off angle enables sharp contrast that reflects difference between the first and second stack orientations directly under the surface to be obtained irrespective of the off angle.

Claim (Index 1):
A reference sample with an inclined support base, the reference sample comprising:\n a scanning electron microscope reference sample for evaluating performance of a scanning electron microscope; and an inclined support base that supports the scanning electron microscope reference sample, wherein the scanning electron microscope reference sample is made of a hexagonal SiC single crystal, has an off angle, and has a step/terrace structure including a step with a half unit height and a terrace even in an atomic level, the step/terrace structure being formed on a surface of the scanning electron microscope reference sample, a surface of each terrace has a first stack orientation or a second stack orientation, a support surface of the inclined support base has an inclination angle identical to an off angle of the scanning electron microscope reference sample, and contrast as difference in lightness and darkness between an image of a terrace with a surface directly under which the first stack orientation lies and an image of a terrace with a surface directly under which the second stack orientation lies changes according to an incident electron angle irrespective of the off angle of the scanning electron microscope reference sample, where the incident electron angle is an angle that an electron beam emitted from the scanning electron microscope forms with respect to a perpendicular to a surface of the terrace.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 97.0
- Lexical Diversity: 2.14286
- Patent Class: 250.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14357379', '14351900', '12588517', '11779899', '14397079']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7052852679445764
- 35 USC 102 Novelty (BERT): 0.49603353983246
- Combined Prediction Score: 0.6843600951333647
- Mean Citation Score: 212.71128400000003
- Max Citation Score: 268.02408
- Similarity Product: 210.6483030487347

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

Dataset: test