Spiral planar inductor and manufacturing method thereof

Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Passive components in ics

Reexamination Certificate

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C257S536000, C257S622000, C257S381000, C257S758000, C257SE21022, C257SE21520, C257SE23007, C438S238000, C438S381000, C438S026000, C438S003000, C438S108000, C438S106000, C438S622000

Reexamination Certificate

active

07977767

ABSTRACT:
An inductor includes an inductor wiring made of a metal layer and having a spiral planar shape. In a cross-sectional shape in a width direction of the inductor wiring, the inductor wiring has a larger film thickness at least in its inner side end than in its middle part.

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