High self resonant frequency multilayer inductor and method...

Details High self resonant frequency multilayer inductor and method... High self resonant frequency multilayer inductor and method...

H - Electricity

01

F

H01F 27/29 (2006.01) H01F 17/00 (2006.01)

Patent

CA 2300954

A high self resonant frequency inductor (38) and method for making the same is described. The inductor (38) comprises a plurality of horizontal conductor coils (52, 60) vertically spaced apart, including a top conductor coil (60) and a bottom conductor coil (52), the top and bottom conductor coils each having a conductive termination (40, 42). Dielectric material (46, 54) extends between and separates the conductive coils and the top and bottom terminations. The dielectric material has a plurality of via holes (48, 56) therein to provide communication between adjacent pairs of the conductive coils, the top conductive coil and top termination, and the bottom conductive coil and bottom termination. A plurality of conductive via connections (50, 58) extend through the via holes to connect the plurality of conductor coils, the top termination, and the bottom termination in series with one another.

Cette invention se rapporte à un inducteur à fréquence d'autorésonance élevée (38) et à un procédé de fabrication de cet inducteur. Cet inducteur (38) comprend plusieurs bobines conductrices horizontales (52, 60) verticalement espacées, comprenant une bobine conductrice supérieure (60) et une bobine conductrice inférieure (52), ayant chacune une borne conductrice (40, 42). Un matériau diélectrique (46, 54) s'étend entre les bobines conductrices et les bornes supérieure et inférieure et les sépare. Dans ce matériau diélectrique sont ménagés plusieurs trous traversants (48, 56) établissant une communication entre des paires adjacentes de ces bobines conductrices, entre la bobine conductrice supérieure et la borne supérieure et entre la bobine conductrice inférieure et la borne inférieure. Plusieurs connexions traversantes conductrices (50, 58) sont amenées à passer par ces trous traversants pour connecter la pluralité des bornes conductrices, la borne supérieure et la borne inférieure en série l'une avec l'autre.

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