Method for generating enhanced etched inductor elements
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United States of America Patent
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Jun 13, 2000
Grant Date -
N/A
app pub date -
May 9, 1997
filing date -
May 9, 1997
priority date (Note) -
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Abstract
An inductor element comprises a copper pattern on a PCB on which a magnetic powder is deposited. The inductor is formed according to the method of the invention by etching a copper layer of a PCB in a desired pattern. A magnetic powder-loaded ink is then screened or stenciled over the pattern of the inductor elements etched in the copper layer of the PCB. The resulting inductor element is enhanced, having increased low frequency inductance and increased high frequency loss. Multiple inductor elements may be formed on a single PCB in a single process without requiring further cost or steps in the method.
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