Method for manufacture of multi-layer-multi-turn high efficiency inductors

Active Publication Date: 2013-08-08
NUCURRENT INC
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  • Abstract
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  • Application Information

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Benefits of technology

[0018]The teachings herein alleviate one or more of the above noted problems of higher resistive losses at high frequencies resulting in lower quality factors by utilizing the multi-layer wire concept to increase the area of conductance within an inductor structure. The multi-layer wire configuration results in a reduction of resista

Problems solved by technology

However, depending on the available technology, costs, and application, t

Method used

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  • Method for manufacture of multi-layer-multi-turn high efficiency inductors
  • Method for manufacture of multi-layer-multi-turn high efficiency inductors
  • Method for manufacture of multi-layer-multi-turn high efficiency inductors

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[0158]Table 1 illustrates an example wherein a TDK model MLG1608B4N7ST inductor was compared to a computer generated model of an MLMT inductor 125 of the present invention. The MLMT inductor 125 modeled such that it provides an inductance that is similar to the TDK model inductor. As shown in Table 1 below, the MLMT inductor of the present invention has a similar inductance of about 4.72 nH vs. the 4.7 nH of the TDK inductor operating at 100 MHz. However, the quality factor of the MLMT inductor 125 was determined to be about 2.8 times greater than the TDK inductor operating at about 100 MHz.

TABLE 1TDKMLMT InductorInductanceQualityInductanceQualityFrequency(nH)Factor(nH)Factor100 MHz4.7104.7238

[0159]Table 2 illustrates an example wherein a Sunlord model HQ1005C1N5 inductor was compared to a computer generated model of an MLMT inductor 125 of the present invention. The MLMT inductor 125 was modeled to provide an inductance that is similar to the Sunlord model inductor. As shown in Table

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Abstract

A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. The structure of the inductor constructed such that electrical resistance is reduced therewithin, thus increasing the efficiency of the inductor. The inductor is particularly useful at operating within the radio frequency range and greater.

Description

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Claims

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Application Information

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Owner NUCURRENT INC
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