PATENT CLAIM ANALYSIS

Application Number: 16050168
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-12
Patent Classification: ["257", "774000"]

Abstract:
A method includes forming a first dielectric layer over a wafer, etching the first dielectric layer to form an opening, filling a tungsten-containing material into the opening, and performing a Chemical Mechanical Polish (CMP) on the wafer. After the CMP, a cleaning is performed on the wafer using a weak base solution.

Claim (Index 12):
The structure of  claim 10  further comprising a dielectric contact spacer between the inter-layer dielectric and the contact plug, wherein side edges of the carbon-rich layer are flush with vertical interfaces between the dielectric contact spacer and the contact plug.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 95.0
- Lexical Diversity: 1.53846
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15395057', '15490439', '15610981', '11377455', '12805226']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9048879393794586
- 35 USC 102 Novelty (BERT): 0.4661863810554681
- Combined Prediction Score: 0.8610177835470595
- Mean Citation Score: 139.173846
- Max Citation Score: 155.69606000000005
- Similarity Product: 118.412080540309

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