US 12,219,782 B2
Folded access line for memory cell access in a memory device
Srivatsan Venkatesan, Sandy, UT (US); and Fabio Pellizzer, Boise, ID (US)
Assigned to Micron Technology, Inc., Boise, ID (US)
Filed by Micron Technology, Inc., Boise, ID (US)
Filed on Nov. 29, 2021, as Appl. No. 17/536,927.
Prior Publication US 2023/0171968 A1, Jun. 1, 2023
Int. Cl. H10B 63/00 (2023.01); H10N 70/00 (2023.01)
CPC H10B 63/80 (2023.02) [H10N 70/011 (2023.02)] 24 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an access line for accessing memory cells, wherein:
the access line comprises a top portion, a middle portion underlying the top portion, and a bottom portion underlying the middle portion;
a top insulating layer overlying the middle portion;
a bottom insulating layer underlying the middle portion; and
a via electrically connected to the middle portion.