PATENT CLAIM ANALYSIS

Application Number: 15889161
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-07
Patent Classification: ["257", "775000"]

Abstract:
A semiconductor memory device includes a semiconductor substrate, bit line structures, storage node contacts, and isolation structures. The bit line structures, the storage node contacts, and the isolation structures are disposed on the semiconductor substrate. Each bit line structure is elongated in a first direction, and the bit line structures are repeatedly disposed in a second direction. Each storage node contact and each isolation structure are disposed between two of the bit line structures adjacent to each other in the second direction. Each storage node contact is disposed between two of the isolation structures disposed adjacent to each other in the first direction. Each isolation structure includes at least one first portion elongated in the first direction and partially disposed between one of the bit line structures and one of the storage node contacts adjacent to the isolation structure in the second direction.

Claim (Index 11):
The manufacturing method of the semiconductor memory device according to  claim 10 , wherein the step of forming the isolation structures comprises:\n forming a sacrifice layer on sidewalls of the bit line structures; forming a dielectric layer between the bit line structures after the step of forming the sacrifice layer, wherein the sacrifice layer is located between the dielectric layer and each of the bit line structures; forming first openings penetrating the dielectric layer and exposing a part of the sacrifice layer; performing an etching process to partially remove the sacrifice layer located between the dielectric layer and each of the bit line structures, wherein each of the first openings is expanded to become a second opening by the etching process; filling the second openings with an isolation material; and removing the sacrifice layer and the dielectric layer after the step of filling the second openings with the isolation material.

Metadata:
- Claim Count in Document: 48.0
- Percentile: 88.0
- Lexical Diversity: 3.52273
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15479294', '15458946', '15590023', '13732353', '15859756']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.927463725691236
- 35 USC 102 Novelty (BERT): 0.5119708772387116
- Combined Prediction Score: 0.8859144408459836
- Mean Citation Score: 243.45493
- Max Citation Score: 293.6077
- Similarity Product: 217.94346553254127

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