PATENT CLAIM ANALYSIS

Application Number: 15974223
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["438", "700000"]

Abstract:
Disclosed herein is a workpiece processing method including a mask preparing step of preparing a mask that covers devices on a front surface of a workpiece and exposes streets, a plasma etching step of repeating an operation of supplying plasmatized SF 6  through the mask to the workpiece accompanied by a holding member disposed on a back surface thereof, to form grooves, then supplying plasmatized C 4 F 8  to the workpiece through the mask to deposit a coating on the workpiece, and thereafter supplying plasmatized SF 6  to the workpiece through the mask to remove the coating present at bottoms of the grooves, thereby etching the groove bottoms, and a foreign matter removing step of cleaning the workpiece with a cleaning liquid, after the plasma etching step is conducted, to remove the coating produced in the plasma etching step.

Claim (Index 4):
The processing method for a workpiece according to  claim 3 ,\n wherein the holding member includes a tape including a base material layer and a glue layer disposed on the base material layer, and an annular frame to which an outer peripheral edge of the tape is attached, and in the foreign matter removing step, the workpiece is immersed in the cleaning liquid together with the tape adhered to the back surface of the workpiece and the annular frame.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 93.0
- Lexical Diversity: 2.19118
- Patent Class: 438.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15605531', '15706137', '11203092', '15942682', '14866467']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8358772174672753
- 35 USC 102 Novelty (BERT): 0.5002717210218123
- Combined Prediction Score: 0.802316667822729
- Mean Citation Score: 167.294798
- Max Citation Score: 171.64182
- Similarity Product: 108.78785922370432

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