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Related Concept Videos

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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Published on: November 11, 2013

A stacked memory device on logic 3D technology for ultra-high-density data storage.

Jiyoung Kim1, Augustin J Hong, Sung Min Kim

  • 1Device Research Laboratory, Department of Electrical Engineering, University of California, Los Angeles, CA 90095, USA.

Nanotechnology
|May 17, 2011
PubMed
Summary

Researchers developed a novel 3D memory chip architecture, Stacked-Memory-Devices-on-Logic (SMOL), achieving 95% cell-area efficiency. This breakthrough enables tera-bit memory density by vertically stacking memory devices on logic circuits.

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Area of Science:

  • Materials Science and Engineering
  • Electrical Engineering
  • Computer Engineering

Background:

  • Limitations in traditional 2D memory scaling necessitate innovative 3D architectures.
  • Increasing demand for higher memory density in electronic devices.
  • Need for efficient integration of memory and logic functionalities.

Purpose of the Study:

  • To introduce and demonstrate a novel three-dimensional (3D) memory chip architecture.
  • To achieve high cell-area efficiency through vertical integration.
  • To explore the potential for tera-bit memory density.

Main Methods:

  • Development of a unique 3D Flash memory device.
  • Implementation of a vertical integration structure for memory-on-logic.
  • Fabrication of the Stacked-Memory-Devices-on-Logic (SMOL) architecture.

Main Results:

  • Achieved up to 95% cell-area efficiency in the SMOL architecture.
  • Successfully demonstrated the integration of memory devices on front-end CMOS logic.
  • Validated the feasibility of the unique 3D Flash memory device and vertical integration.

Conclusions:

  • The SMOL architecture represents a significant advancement in 3D memory chip design.
  • This approach offers a pathway to achieve tera-bit memory densities.
  • Future work can explore emerging devices to further enhance 3D chip architectures.