High-Sensitivity Low-Noise Miniature Fluxgate Magnetometers Using a Flip Chip Conceptual Design

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Provided by: MDPI AG
Topic: Hardware
Format: PDF
In this paper, the authors present a novel class of miniature fluxgate magnetometers fabricated on a Print Circuit Board (PCB) substrate and electrically connected to each other similar to the current "Flip chip" concept in semiconductor package. This sensor is soldered together by reversely flipping a 5cmx3cm PCB substrate to the other identical one which includes dual magnetic cores, planar pick-up coils, and 3-D excitation coils constructed by planar Cu interconnections patterned on PCB substrates. Principles and analysis of the fluxgate sensor are introduced first and followed by FEA electromagnetic modeling and simulation for the proposed sensor.
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