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Improvements in Scaling and CMOS Placement Ship the Firms’ Highest Density and Most Superior 3D Flash Reminiscence Know-how to Date

TOKYO & SAN JOSE, Calif. — Kioxia Company and Western Digital Corp. (NASDAQ: WDC), right this moment introduced that the businesses have developed their sixth-generation, 162-layer 3D flash reminiscence expertise. Marking the subsequent milestone within the firms’ 20-year joint-venture partnership, that is the businesses’ highest density and most superior 3D flash reminiscence expertise to this point, using a variety of expertise and manufacturing improvements.

“By means of our sturdy partnership that has spanned 20 years, Kioxia and Western Digital have efficiently created unequalled capabilities in manufacturing and R&D,” stated Masaki Momodomi, Chief Know-how Officer, Kioxia. “Collectively, we produce over 30 p.c1 of the world’s flash reminiscence bits and are steadfast in our mission to supply distinctive capability, efficiency and reliability at a compelling value. We every ship this worth proposition throughout a spread of data-centric purposes from private electronics to knowledge facilities in addition to rising purposes enabled by 5G networks, synthetic intelligence and autonomous methods.”


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Past Vertical Scaling – New Structure Leverages New Improvements
“As Moore’s Regulation reaches its bodily limits throughout the semiconductor {industry}, there’s one place the place Moore’s Regulation continues its relevancy — that’s in flash,” stated Dr. Siva Sivaram, President of Know-how & Technique, Western Digital. “To proceed these advances and meet the world’s rising knowledge calls for, a brand new method to 3D flash reminiscence scaling is important. With this new technology, Kioxia and Western Digital are introducing improvements in vertical in addition to lateral scaling to attain larger capability in a smaller die with fewer layers. This innovation in the end delivers the efficiency, reliability and price that prospects want.”

This sixth-generation 3D flash reminiscence options superior structure past typical eight-stagger reminiscence gap array and achieves as much as 10 p.c larger lateral cell array density in comparison with the fifth-generation expertise. This lateral scaling development, together with 162 layers of stacked vertical reminiscence, allows a 40 p.c discount in die dimension in comparison with the 112-layer stacking expertise, optimizing value.

The Kioxia and Western Digital groups additionally utilized Circuit Below Array CMOS placement and four-plane operation, which collectively ship almost 2.four instances enchancment in program efficiency and 10 p.c enchancment in learn latency in comparison with the earlier technology. I/O efficiency additionally improves by 66 p.c, enabling the next-generation interface to assist the ever-increasing want for quicker switch charges.

Total, the brand new 3D flash reminiscence expertise reduces the price per bit, in addition to will increase the manufactured bits per wafer by 70 p.c, in contrast with the earlier technology. Kioxia and Western Digital proceed to drive innovation to make sure continued scaling to fulfill the wants of consumers and their various purposes.

The businesses detailed the associated improvements in a joint presentation on the ISSCC 2021 present earlier right this moment.

About Kioxia
Kioxia is a world chief in reminiscence options, devoted to the event, manufacturing and sale of flash reminiscence and solid-state drives (SSDs). In April 2017, its predecessor Toshiba Reminiscence was spun off from Toshiba Company, the corporate that invented NAND flash reminiscence in 1987. Kioxia is dedicated to uplifting the world with reminiscence by providing merchandise, companies and methods that create alternative for purchasers and memory-based worth for society. Kioxia’s progressive 3D flash reminiscence expertise, BiCS FLASH™, is shaping the way forward for storage in high-density purposes, together with superior smartphones, PCs, SSDs, automotive and knowledge facilities.


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About Western Digital
Western Digital creates environments for knowledge to thrive. As a frontrunner in knowledge infrastructure, the corporate is driving the innovation wanted to assist prospects seize, protect, entry and remodel an ever-increasing variety of information. In all places knowledge lives, from superior knowledge facilities to cell sensors to private units, our industry-leading options ship the chances of information. Our data-centric options are comprised of the Western Digital®, G-Know-how™, SanDisk®, and WD® manufacturers.

© 2021 Kioxia Company or its associates. All rights reserved.
© 2021 Western Digital Company or its associates. All rights reserved.
Western Digital and the Western Digital brand are registered logos or logos of Western Digital Company or its associates within the US and/or different international locations. All different firm names, product names, and repair names could also be logos of their respective firms.

1 Supply: As of February 18, 2021. Kioxia survey.

Ahead-Trying Statements
This information launch incorporates sure forward-looking statements, together with the anticipated availability, advantages and efficiency of the Sixth-generation 3D flash reminiscence expertise. There are a selection of dangers and uncertainties which will trigger these forward-looking statements to be inaccurate together with, amongst others: future responses to and results of the COVID-19 pandemic; volatility in world financial circumstances; impression of enterprise and market circumstances; impression of aggressive merchandise and pricing; improvement and introduction of merchandise primarily based on new applied sciences and enlargement into new knowledge storage markets; dangers related to value saving initiatives, restructurings, acquisitions, divestitures, mergers, joint ventures and strategic relationships; difficulties or delays in manufacturing or different provide chain disruptions; hiring and retention of key workers; excessive stage of debt and different monetary obligations; adjustments to relationships with key prospects; disruptions in operations from cyber-attacks or different system safety dangers; actions by opponents; dangers related to compliance with altering authorized and regulatory necessities and the result of authorized proceedings; and different dangers and uncertainties listed in Western Digital’s filings with the Securities and Trade Fee (the “SEC”), together with Western Digital’s Type 10-Ok filed with the SEC on August 28, 2020, to which your consideration is directed. You shouldn’t place undue reliance on these forward-looking statements, which converse solely as of the date hereof, and neither Western Digital nor Kioxia undertakes any obligation to replace these forward-looking statements to mirror subsequent occasions or circumstances.

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KIOXIA BrandLogo SIL RGB - Kioxia and Western Digital Announce Sixth-Era 3D Flash Reminiscence


Kioxia Contacts:
Kota Yamaji
Kioxia Public Relations

Western Digital Contacts:
Erin Hartin
Western Digital Public Relations

T. Peter Andrew
Western Digital Investor Relations



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