PATENT CLAIM ANALYSIS

Application Number: 15874278
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2019-04
Patent Classification: ["257", "900000"]

Abstract:
Semiconductor device structures comprising a spacer feature having multiple spacer layers are provided. In one example, a semiconductor device includes an active area on a substrate, the active area comprising a source/drain region, a gate structure over the active area, the source/drain region being proximate the gate structure, a spacer feature having a first portion along a sidewall of the gate structure and having a second portion along the source/drain region, wherein the first portion of the spacer feature comprises a bulk spacer layer along the sidewall of the gate structure, wherein the second portion of the spacer feature comprises the bulk spacer layer and a treated seal spacer layer, the treated seal spacer layer being disposed along the source/drain region and between the bulk spacer layer and the source/drain region, and a contact etching stop layer on the spacer feature.

Claim (Index 18):
A method for forming a semiconductor device, comprising:\n forming a spacer feature comprising a treated seal spacer layer and a bulk spacer layer along a sidewall of a gate structure on a substrate, wherein the gate structure is formed over an active area comprising a source/drain region on the substrate, the source/drain region being proximate the gate structure; and removing the gate structure and at least a portion of the treated seal spacer layer from along the sidewall of the gate structure, wherein the gate structure is removed while maintaining the treated seal spacer layer along the source/drain region.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 86.0
- Lexical Diversity: 3.04
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15646386', '15623539', '12837093', '14657312', '15814129']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9158288908533836
- 35 USC 102 Novelty (BERT): 0.4661273932549826
- Combined Prediction Score: 0.8708587410935436
- Mean Citation Score: 168.76088199999995
- Max Citation Score: 173.53903
- Similarity Product: 138.24940147410155

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