PATENT CLAIM ANALYSIS

Application Number: 15916957
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["257", "751000"]

Abstract:
An interconnection structure includes an underlying layer including a lower interconnection, and an interlayered dielectric layer including a contact hole and a trench therein. The contact hole exposes a portion of the lower interconnection, and the trench extends along a first direction to be connected to the contact hole. A contact plug extends through the contact hole in the interlayered dielectric layer, and an upper interconnection line extends in the trench of the interlayered dielectric layer and connects to the contact plug. The contact plug includes lower and upper sidewalls inclined at first and second angles, respectively, relative to the underlying layer, and the second angle is less than the first angle. Related devices and fabrication methods are also discussed.

Claim (Index 9):
An interconnection structure of a semiconductor device, comprising:\n a lower interconnection line on a substrate; an interlayered dielectric layer on the lower interconnection line, the interlayered dielectric layer comprising an etch stop layer covering the lower interconnection line, and the interlayered dielectric layer further comprising a trench and a contact hole under the trench, the trench being directly connected to the contact hole and extending in a first direction, the contact hole penetrating the etch stop layer and exposing a portion of an upper surface of the lower interconnection line; an interconnection pattern comprising a line region disposed in the trench and a contact region disposed in the contact hole, the line region having a line width in a second direction perpendicular to the first direction, the contact region including lower and upper portions, the lower portion of the contact region contacting the lower interconnection line and the upper portion of the contact region contacting the line region, and the upper portion of the contact region having a first upper width in the first direction and a second upper width in the second direction, wherein the first upper width of the contact region is greater than the line width of the line region.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 90.0
- Lexical Diversity: 2.33929
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14087919', '14674123', '15480055', '13425906', '15648772']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9166703433037864
- 35 USC 102 Novelty (BERT): 0.5229762496063886
- Combined Prediction Score: 0.8773009339340467
- Mean Citation Score: 258.145986
- Max Citation Score: 342.79425
- Similarity Product: 323.81521268364787

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