Non-volatile memory with efficient signal routing

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United States of America Patent

PATENT NO 11973044
APP PUB NO 20230207504A1
SERIAL NO

17560610

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Abstract

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An integrated memory assembly comprises a control die bonded to a memory die. The memory die includes multiple non-volatile memory structures (e.g., planes, arrays, groups of blocks, etc.), each comprising a stack of alternating conductive and dielectric layers forming staircases at one or more edges of the non-volatile memory structures. The non-volatile memory structures are positioned with gaps between the non-volatile memory structures such that the gaps separate the staircases of adjacent non-volatile memory structures. Metal interlayer segments positioned in the gaps are connected to a top metal layer positioned above non-volatile memory structures and to one or more electrical circuits on the control die via zero, one or more other metal layers/segments.

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Patent Owner(s)

  • SANDISK TECHNOLOGIES LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pham, Tuan San Jose, US 85 2271
Shao, Shiqian Fremont, US 10 14
Toyama, Fumiaki Cupertino, US 66 1242

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