17551439. Programming Current Control for Artificial Intelligence (AI) Devices simplified abstract (INTERNATIONAL BUSINESS MACHINES CORPORATION)

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Programming Current Control for Artificial Intelligence (AI) Devices

Organization Name

INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor(s)

Injo Ok of Loudonville NY (US)

Soon-Cheon Seo of Glenmont NY (US)

Youngseok Kim of Upper Saddle River NJ (US)

Timothy Mathew Philip of Albany NY (US)

Alexander Reznicek of Troy NY (US)

Programming Current Control for Artificial Intelligence (AI) Devices - A simplified explanation of the abstract

This abstract first appeared for US patent application 17551439 titled 'Programming Current Control for Artificial Intelligence (AI) Devices

Simplified Explanation

The abstract describes techniques for controlling the programming current of a PCM-based AI device using an external resistor. The PCM cell includes a PCM stack with a bottom electrode, a heater on the bottom electrode, a PCM unit with a first material on the heater, a top electrode with a second material on the PCM unit, and a resistor adjacent to the PCM stack made of a combination of the first and second materials. The patent application also covers a PCM device with these cells and a method of forming the PCM cell.

  • The patent application focuses on controlling the programming current of a PCM-based AI device.
  • It proposes the use of an external resistor to achieve this control.
  • The PCM cell includes a PCM stack, a heater, a PCM unit, a top electrode, and a resistor made of a combination of materials.
  • The PCM device includes multiple PCM cells with the proposed structure.
  • The method of forming the PCM cell is also described in the patent application.

Potential Applications

  • AI devices utilizing phase change memory (PCM) technology.
  • Control of programming current in PCM-based AI devices.
  • Improved performance and efficiency in PCM-based AI systems.

Problems Solved

  • Controlling the programming current in PCM-based AI devices.
  • Enhancing the performance and efficiency of PCM-based AI systems.

Benefits

  • More precise control over the programming current.
  • Improved performance and efficiency of PCM-based AI devices.
  • Potential for better accuracy and reliability in AI applications.


Original Abstract Submitted

Techniques for controlling the programming current of a PCM-based AI device using an external resistor are provided. In one aspect, a PCM cell includes: a PCM stack, that has a bottom electrode; a heater disposed directly on the bottom electrode; a PCM unit including a first material disposed on the heater; a top electrode including a second material disposed on the PCM unit; and a resistor adjacent to the PCM stack, wherein the resistor includes a combination of the first material and the second material. A PCM device that includes at least one of the PCM cells, and a method of forming the PCM cell are also provided.

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