Antenna on ceramic case
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United States of America Patent
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Mar 15, 2011
Grant Date -
Nov 8, 2007
app pub date -
May 5, 2006
filing date -
May 5, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention is an antenna for use with an implantable microdevice, such as a microstimulator or microsensor, having a dipole antenna that is formed by ceramic processes on the inner or outer surface of the ceramic case of the microdevice. The antenna receives data transmitted from an external device, and transmits data to an external device. A dipole antenna may be formed from two radiating elements separated by an insulating material. A tuning circuit comprising capacitors and/or inductors is used to obtain resonance in the dipole antenna. In a preferred embodiment, the antenna is formed of a biocompatible material by applying a metal-containing paste to the ceramic case of the microdevice and thermally processing it.
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