Methods and apparatuses for a ROM memory array having a...

Static information storage and retrieval – Read only systems

Reexamination Certificate

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C365S185160

Reexamination Certificate

active

07002827

ABSTRACT:
Methods and apparatuses in which a ROM memory array has virtual-grounded source lines programmed in layer physically higher than the diffusion layer. The ROM memory array may include a diffusion layer, one or more virtual-grounded source lines, and one or more bit lines. At least one of the virtual-grounded source lines is programmed with a layer physically higher than the diffusion layer.

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