ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,303, issued on Jan. 20, was assigned to Micron Technology Inc. (Boise, Idaho).

"Multi-tier cache for a memory system" was invented by Kulachet Tanpairoj (San Mateo, Calif.), Nadav Grosz (Broomfield, Colo.), James Fitzpatrick (Laguna Niguel, Calif.) and Jianmin Huang (San Carlos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for a multi-tier cache for a memory system are described. A memory device may include memory cells configured as cache storage and memory cells configured as main storage. The cache storage may be a multi-tier cache and may include sets of different types of memory cells or memory cells opera...