PATENT CLAIM ANALYSIS

Application Number: 15949960
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-08
Patent Classification: ["451", "006000"]

Abstract:
A polishing apparatus for polishing a substrate is provided. The polishing apparatus includes: a polishing table holding a polishing pad; a top ring configured to press the substrate against the polishing pad; first and second optical heads each configured to apply the light to the substrate and to receive reflected light from the substrate; spectroscopes each configured to measure at each wavelength an intensity of the reflected light received; and a processor configured to produce a spectrum indicating a relationship between intensity and wavelength of the reflected light. The first optical head is arranged so as to face a center of the substrate, and the second optical head is arranged so as to face a peripheral portion of the substrate.

Claim (Index 1):
A polishing apparatus for polishing a substrate, comprising:\n a polishing table for holding a polishing pad; a top ring configured to press a surface of the substrate against the polishing pad; at least one light source configured to emit light; a first optical head configured to apply the light to an area including the center of the substrate and to receive reflected light from the substrate while moving across the substrate; a second optical head configured to apply the light to a peripheral area of the substrate and to receive reflected light from the substrate while moving along the peripheral area of the substrate; a liquid supply passage for supplying transparent liquid in a hole formed in the polishing table in which the first optical head and the second optical head are located; and a spectroscope that is connected to the first optical head and the second optical head; wherein the second optical head is located at a position that is not below the substrate held by the top ring when the first optical head is located at a position that is below the substrate held by the top ring; wherein the second optical head is located inwardly of the first optical head with respect to the radial direction of the polishing table.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 91.0
- Lexical Diversity: 2.26316
- Patent Class: 451.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13330881', '14808252', '13183555', '09784171', '14017620']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7412344347431185
- 35 USC 102 Novelty (BERT): 0.505883769606388
- Combined Prediction Score: 0.7176993682294454
- Mean Citation Score: 267.101916
- Max Citation Score: 339.32434
- Similarity Product: 281.6525452393687

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

Dataset: test