Patent ID: 11942126
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A memory array comprising:
a first set of magnetoresistive random-access memory (MRAM) cells; and
a second set of MRAM cells,
wherein each MRAM cell of the first and second sets of MRAM cells comprises:
a top contact;
a magnetic tunnel junction (MTJ) below the top contact;
a bottom contact below the MTJ; and
a ferromagnetic liner arranged around at least a portion of the bottom contact;

wherein the bottom contact and ferromagnetic liner of the first set of MRAM cells has a first critical dimension, and
wherein the bottom contact and ferromagnetic liner of the second set of MRAM cells has a second critical dimension that is different than the first critical dimension.