PATENT CLAIM ANALYSIS

Application Number: 15863754
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["257", "316000"]

Abstract:
Flash memory devices and fabrication methods thereof are provided. An exemplary method includes providing discrete bit lines on a semiconductor substrate, a first dielectric layer on top surfaces of the bit lines, and a floating gate structure on the first dielectric layer, trenches being formed between adjacent bit lines and on the semiconductor substrate; forming a sacrificial layer with a top surface above the top surfaces of the bit lines in the trenches; forming a second dielectric layer on top and side surfaces of the floating gate structure and the top surface of the sacrificial layer; forming a control gate structure on the second dielectric layer; removing portions of the second dielectric layer, the floating gate structure and the first dielectric layer to expose a portion of the sacrificial layer; and removing the sacrificial layer from the adjacent bit lines and the semiconductor substrate, thereby forming air gaps.

Claim (Index 19):
The flash memory device according to  claim 18 , wherein:\n the control gate structure is across the floating gate structure on at least two bit lines; and the control gate structure is across air gaps between the adjacent bit lines.

Metadata:
- Claim Count in Document: 37.0
- Percentile: 86.0
- Lexical Diversity: 2.80702
- Patent Class: 257.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14494873', '11728504', '11871877', '14825408', '14825506']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.92717003583204
- 35 USC 102 Novelty (BERT): 0.487665605167382
- Combined Prediction Score: 0.8832195927655743
- Mean Citation Score: 232.541592
- Max Citation Score: 238.10461
- Similarity Product: 193.97732753773928

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