PATENT CLAIM ANALYSIS

Application Number: 16028111
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["257", "315000"]

Abstract:
Some embodiments include a semiconductor device having a stack structure including a source comprising polysilicon, an etch stop of oxide on the source, a select gate source on the etch stop, a charge storage structure over the select gate source, and a select gate drain over the charge storage structure. The semiconductor device may further include an opening extending vertically into the stack structure to a level adjacent to the source. A channel comprising polysilicon may be formed on a side surface and a bottom surface of the opening. The channel may contact the source at a lower portion of the opening, and may be laterally separated from the charge storage structure by a tunnel oxide. A width of the channel adjacent to the select gate source is greater than a width of the channel adjacent to the select gate drain.

Claim (Index 16):
A method of forming a semiconductor device, comprising:\n forming a stack structure comprising a first select gate comprising polysilicon, a control gate comprising polysilicon over the first select gate, and a second select gate comprising polysilicon over the control gate, wherein the doping configurations of the first select gate, the control gate, and the second select gate are different; forming an opening through the stack structure to vertically extend into the stack; exposing the first select gate, the control gate, and the second select gate to an etching solution through the opening to form a recess in at least the polysilicon of the control gate; and forming a charge storage structure in the recess formed in the polysilicon of the control gate.

Metadata:
- Claim Count in Document: 8.0
- Percentile: 95.0
- Lexical Diversity: 2.55932
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15296858', '15009834', '15056548', '13838579', '14536021']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9168837561102654
- 35 USC 102 Novelty (BERT): 0.4888161876828847
- Combined Prediction Score: 0.8740769992675274
- Mean Citation Score: 199.835922
- Max Citation Score: 252.77898
- Similarity Product: 212.2381350442457

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

Dataset: test