Adaptive manufacturing for film bulk acoustic wave resonators

Semiconductor device manufacturing: process – With measuring or testing

Reexamination Certificate

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C438S015000, C310S346000

Reexamination Certificate

active

07101721

ABSTRACT:
An adaptive manufacturing process for a Film Bulk Acoustic Resonator (FBAR) tests the FBAR circuit during manufacturing to determine a resonant frequency thereof. Reactive tuning elements may be adjusted as needed depending on the testing to change the resonant frequency to a desired resonant frequency. In an exemplary embodiment, predetermined masks may be applied to modify the tuning elements.

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