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CO-FABRICATION OF MAGNETIC DEVICE STRUCTURES WITH ELECTRICAL INTERCONNECTS HAVING REDUCED RESISTANCE THROUGH INCREASED CONDUCTOR GRAIN SIZE
CO-FABRICATION OF MAGNETIC DEVICE STRUCTURES WITH ELECTRICAL INTERCONNECTS HAVING REDUCED RESISTANCE THROUGH INCREASED CONDUCTOR GRAIN SIZE
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机译:磁性设备结构与电气互连的共同制造,可通过增加导体粒度来降低电阻
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摘要
A method of forming magnetic device structures and electrical contacts, including removing a portion of a second interlayer dielectric (ILD) layer to expose an underlying portion of a cap layer in a first device region, wherein the cap layer is on a first ILD layer, while leaving an ILD block in a second device region, forming a spacer layer on the exposed portion of the cap layer in the first device region, forming an electrical contact layer on the spacer layer in the first device region, forming a magnetic device layer on the electrical contact layer and ILD block, removing portions of the magnetic device layer to form a magnetic device stack on the ILD block, and removing portions of the electrical contact layer to form electrical contact pillars, wherein the portions of the electrical contact layer and portions of the magnetic device layer are removed at the same time.
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