Patent ID: 11895834
Assignee: MICRON TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A method used in forming a memory array comprising strings of memory cells, comprising:
forming memory blocks individually comprising a vertical stack comprising alternating insulative tiers and conductive tiers, channel-material strings extending through the insulative tiers and the conductive tiers;
horizontally-elongated trenches between immediately-laterally-adjacent of the memory blocks, conducting material that is in individual of the conductive tiers in the memory blocks extending laterally-outward of the memory blocks into and extending elevationally along sidewalls of the trenches laterally-over the conductive tiers and the insulative tiers and that directly electrically couples together the conducting material of the individual conductive tiers; and
exposing the conducting material to oxidizing conditions to form an insulative oxide laterally-through the conducting material laterally-over individual of the insulative tiers to separate the conducting material of the individual conductive tiers from being directly electrically coupled together, the exposing forming the insulative oxide to extend laterally-into the individual conductive tiers in the memory blocks.