PATENT CLAIM ANALYSIS

Application Number: 16222610
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-05
Patent Classification: ["257", "288000"]

Abstract:
A method includes forming a dummy gate stack on a substrate, forming a spacer layer on the dummy gate stack, forming an etch stop layer over the spacer layer and the dummy gate stack, the etch stop layer comprising a vertical portion and a horizontal portion, and performing a densification process on the etch stop layer, wherein the horizontal portion is denser than the vertical portion after the densification process The method also includes forming an oxide layer over the etch stop layer, performing an anneal process on the oxide layer and the etch stop layer, wherein the vertical portion has a greater concentration of oxygen than the horizontal portion after the anneal process.

Claim (Index 12):
The device of  claim 8 , wherein surfaces of the first source/drain region are free of the etch stop layer.

Metadata:
- Claim Count in Document: 28.0
- Percentile: 98.0
- Lexical Diversity: 2.97561
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15667491', '15257568', '14801319', '14851535', '15696981']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9108893782509928
- 35 USC 102 Novelty (BERT): 0.5083727326519915
- Combined Prediction Score: 0.8706377136910928
- Mean Citation Score: 215.319614
- Max Citation Score: 275.2734
- Similarity Product: 200.3247212317944

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

Dataset: test