PATENT CLAIM ANALYSIS

Application Number: 15986479
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["454", "184000"]

Abstract:
The present invention relates to an apparatus for removing fume which includes, a wafer cassette for stacking wafers; and an exhaust for exhausting the fume of the wafers stacked in the wafer cassette, wherein the wafer cassette includes stacking shelves provided at both sides for stacking wafers; and a front opening for incoming and outgoing of the wafers which are being stacked in the stacking shelf, wherein the stacking shelves include multiple inclined ramp portions which are slanted towards the wafers stacked in the stacking shelves as they travel towards the front opening, wherein a purge gas outlet is provided in the inclined ramp portion for supplying purge gas for the wafers stacked in the stacking shelves. According to the present invention, the residual process gases on wafers can be removed efficiently.

Claim (Index 1):
An apparatus for removing fume, comprising:\n a wafer cassette for stacking a number of wafers; an exhaust for exhausting fume of the wafers; and a number of stacking shelves provided in the wafer cassette, for stacking the wafers vertically, wherein each of the number of stacking shelves comprises:\n a number of purge gas outlets for supplying purge gas to said wafers; and \n an inclination ramp portion ( 222 ) slanted and protruded towards the wafers stacked in the number of stacking shelves, \n wherein at least one of said number of gas purge outlets ( 226 c ) is provided in the inclined ramp portion.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 93.0
- Lexical Diversity: 2.16923
- Patent Class: 454.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14725257', '14725245', '12510572', '12350705', '11617183']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7608615295725002
- 35 USC 102 Novelty (BERT): 0.4967415270977301
- Combined Prediction Score: 0.7344495293250233
- Mean Citation Score: 153.40148599999995
- Max Citation Score: 171.42075
- Similarity Product: 108.6007634767592

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