Internally reinforced bond pads
摘要:
Disclosed is a reinforced bond pad structure having nonplanar dielectric structures and a metallic bond layer conformally formed over the nonplanar dielectric structures. The nonplanar dielectric structures are substantially reproduced in the metallic bond layer so as to form nonplanar metallic structures. Surrounding each of the nonplanar metallic structures is a ring of dielectric material which provides a hard stop during probing of the bond pad so as to limit the amount of bond pad that can be removed during probing.
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