18601745. SEMICONDUCTOR MEMORY DEVICE simplified abstract (Kioxia Corporation)

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SEMICONDUCTOR MEMORY DEVICE

Organization Name

Kioxia Corporation

Inventor(s)

Takafumi Masuda of Kawasaki (JP)

Mutsumi Okajima of Yokkaichi (JP)

Nobuyoshi Saito of Tokyo (JP)

Keiji Ikeda of Kawasaki (JP)

SEMICONDUCTOR MEMORY DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18601745 titled 'SEMICONDUCTOR MEMORY DEVICE

The semiconductor memory device described in the abstract consists of a memory layer and via-wiring extending in a first direction. The memory layer includes a semiconductor layer electrically connected to the via-wiring, a gate electrode with parts on both sides of the semiconductor layer, a memory portion, and a wiring.

  • The memory layer is connected to the via-wiring, which extends in a first direction.
  • The gate electrode includes parts on both sides of the semiconductor layer.
  • The memory portion is located on one side of the semiconductor layer, while the wiring is on the other side.
  • In a cross-sectional view, the via-wiring has a surface opposed to the gate electrode and a surface not opposed to it.
  • A part of the gate electrode is positioned on the memory portion side with respect to the via-wiring.

Potential Applications: - This technology can be used in various semiconductor memory devices, such as flash memory and DRAM. - It can also be applied in embedded systems, consumer electronics, and data storage devices.

Problems Solved: - Enhances the performance and efficiency of semiconductor memory devices. - Improves the integration and connectivity of memory layers and wiring.

Benefits: - Increased speed and reliability of memory operations. - Higher data storage capacity in a compact design. - Enhanced overall performance of electronic devices.

Commercial Applications: Title: Advanced Semiconductor Memory Devices for Enhanced Performance This technology can be utilized in the development of next-generation smartphones, tablets, laptops, and other electronic devices requiring high-speed and high-capacity memory solutions. The market implications include improved product competitiveness, increased consumer satisfaction, and potential cost savings for manufacturers.

Questions about Semiconductor Memory Devices: 1. How does this technology improve the efficiency of memory operations? This technology enhances efficiency by optimizing the connectivity between memory layers and wiring, resulting in faster data access and transfer speeds.

2. What are the potential applications of this semiconductor memory device in consumer electronics? This technology can be applied in various consumer electronics, including smartphones, tablets, and laptops, to enhance their performance and storage capabilities.


Original Abstract Submitted

A semiconductor memory device includes a memory layer and a via-wiring extending in a first direction. The memory layer includes a semiconductor layer electrically connected to the via-wiring, a gate electrode including parts opposed to surfaces of the semiconductor layer on one side and the other side in the first direction, a memory portion disposed on one side in a second direction with respect to the semiconductor layer, and a wiring disposed on the other side in the second direction with respect to the semiconductor layer. In a cross-sectional surface perpendicular to the first direction and including one of the parts of the gate electrode, the via-wiring includes a surface opposed to the gate electrode and a surface not opposed to the gate electrode. A part of the gate electrode is disposed on a memory portion side with respect to the via-wiring in the second direction.