New hard layer design of MRAM based on ring elements. Anand Subra. Mani 10027/13240 https://indigo.uic.edu/articles/thesis/New_hard_layer_design_of_MRAM_based_on_ring_elements_/10915019 New hard layer design of MRAM based on ring elements. 2014-03-18 00:00:00 Engineering, Electronics and Electrical.