PATENT CLAIM ANALYSIS

Application Number: 16104512
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-02
Patent Classification: ["216", "067000"]

Abstract:
A decrease of an etching rate of a substrate can be suppressed, and energy of ions irradiated to an inner wall of a chamber main body can be reduced. A plasma processing apparatus includes a DC power supply configured to generate a negative DC voltage to be applied to a lower electrode of a stage. In a plasma processing performed by using the plasma processing apparatus, a radio frequency power is supplied to generate plasma by exciting a gas within a chamber. Further, the negative DC voltage from the DC power supply is periodically applied to the lower electrode to attract ions in the plasma onto the substrate placed on the stage. A ratio occupied, within each of cycles, by a period during which the DC voltage is applied to the lower electrode is set to be equal to or less than 40%.

Claim (Index 3):
The plasma processing method of  claim 1 ,\n wherein the plasma processing apparatus comprises multiple DC power supplies, and the negative DC voltage applied to the lower electrode within each cycle is generated by negative DC voltages outputted from the multiple DC power supplies in sequence.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 96.0
- Lexical Diversity: 2.10959
- Patent Class: 216.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16003954', '12707957', '14972286', '15075505', '14853140']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7962424020115055
- 35 USC 102 Novelty (BERT): 0.4927760092106203
- Combined Prediction Score: 0.765895762731417
- Mean Citation Score: 256.496096
- Max Citation Score: 278.7438
- Similarity Product: 244.5244308347941

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