Magnetic sensor, side-opened TEM cell, and apparatus using...

Details Magnetic sensor, side-opened TEM cell, and apparatus using... Magnetic sensor, side-opened TEM cell, and apparatus using...

2005-02-15

2005-02-15

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S260000

Reexamination Certificate

active

06856131

ABSTRACT:
A magnetic sensor has a monotonic response to high-frequency magnetic strengths in a frequency range up to superhigh frequencies. The magnetic sensor includes a shielded loop coil having a triplate stripline structure. The shielded loop coil has one-turn looped ground patterns formed respectively in a first layer and a fifth layer and connected parallel to each other by a via, and has an inductance L. The one-turn looped ground patterns have end electrodes facing each other across gaps, one of the end electrodes including the via, providing a combined capacitor operable at high frequencies and having a capacitance C. The product L×C of the inductance L and the capacitance C is 2.5×10−20or less and the maximum outer circumference length of the one-turn looped ground lines is 50 [mm] or less.

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Note: An English language abstract of the above Japanese citation is provided to serve as a partial translation.
Copending U.S. Appl. No. 10/373,067, filed Feb. 26, 2003, by Yasunori Miyazawa et al.

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