METHOD AND SYSTEM FOR PROVIDING MULTIPLE SELF-ALIGNED LOGIC CELLS IN A SINGLE STACK

• Main Authors: DRISKILL SMITH ALEXANDER A.G, APALKOV DMYTRO, KROUNBI MOHAMAD TOWFIK, NIKITIN VLADIMIR
• Format: Patent
• Language: English; Korean
• Published: 20.03.2013
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INFORMATION STORAGE; PHYSICS; SEMICONDUCTOR DEVICES; STATIC STORES

PURPOSE: A method for providing a plurality of self-aligned logic cells in a single stack and a system thereof are provided to improve the performance of memory cells by reducing misalignment between free layers and magnetic junctions. CONSTITUTION: A memory cell stores multi-bits corresponding to a plurality of information storage layers. Spaces and junction angles are determined in memory cells(102). A magnetoresistive stack including layers is laminated in the memory cells(104). The memory cells include information storage layers. A mask is formed on the magnetoresistive stack(106). The memory cells are defined by the magnetoresistive stack(108). [Reference numerals] (102) Determining targeted spaces and junction angles corresponding to information storage layers with different switching currents; (104) Laminating a magnetoresistive stack; (106) Providing a mask corresponding to memory cells; (108) Defining the memory cells to self-align the information storage layers