PATENT CLAIM ANALYSIS

Application Number: 16351890
Application Type: Utility
Filing Date: 2019-03
Publication Date: 2019-09
Patent Classification: ["355", "073000"]

Abstract:
A substrate holding apparatus that holds a substrate is provided. The apparatus comprises a rotary shaft which rotates about a vertical axis and includes a suction path leading from an upper end of the rotary shaft, and a holding unit which includes a suction hole formed in a rotation center, is fixed at the upper end of the rotary shaft such that the suction hole communicates with the suction path, and holds the substrate by sucking the substrate, wherein a plurality of vent holes for introducing an external gas into a space between the holding unit and the substrate are formed at positions rotationally symmetric with respect to the rotation center of the holding unit with an angle to face a back surface of the substrate placed on the holding unit.

Claim (Index 3):
The apparatus according to  claim 2 , wherein the plurality of vent holes are formed in the vicinity of the edge of the bottom wall portion.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 99.0
- Lexical Diversity: 2.04478
- Patent Class: 355.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12702514', '10629678', '11305019', '12510572', '10819356']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7241699545271443
- 35 USC 102 Novelty (BERT): 0.4698531440627766
- Combined Prediction Score: 0.6987382734807075
- Mean Citation Score: 152.044098
- Max Citation Score: 157.28714
- Similarity Product: 103.74818498646854

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