Semiconductor for macro and micro frequency tuning, and...

Active solid-state devices (e.g. – transistors – solid-state diode – Voltage variable capacitance device – Plural diodes in same non-isolated structure – or device...

Reexamination Certificate

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Details

C257S656000, C438S379000, C438S381000, C332S136000

Reexamination Certificate

active

07968973

ABSTRACT:
A semiconductor element for macro and micro frequency tuning, and an antenna and a frequency tuning circuit having the semiconductor element, are provided. The semiconductor element includes first and second semiconductors which have a same polarity, a third semiconductor which has a polarity opposite to the polarity of the first and second semiconductors and is interposed between the first and the second semiconductors, a first intrinsic semiconductor which is interposed between the first and the third semiconductors, and a second intrinsic semiconductor which is interposed between the third and the second semiconductors.

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