Memory device and method for manufacturing the same
Abstract:
A method for manufacturing a memory device is provided. The method includes forming a stack over a first portion of a bottom electrode layer, in which the stack comprises a resistance switching element and a top electrode over the resistance switching element; forming a first spacer around the resistance switching element; forming a penetration barrier layer around the resistance switching element; and removing a second portion of the bottom electrode layer using an etch operation, in which the penetration barrier layer has higher resistance to penetration of an etchant used in the etch operation than that of the first spacer.
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