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An integrated planar variable transformer with embedded magnetic core

A planar transformer and planar technology, applied in the field of communication technology, can solve the problems of uncontrolled parasitic parameters and poor performance.

Active Publication Date: 2012-01-04
PLANARMAG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Critical parasitic parameters cannot be controlled, such as leakage inductance and capacitive coupling that cause poor performance

Method used

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  • An integrated planar variable transformer with embedded magnetic core
  • An integrated planar variable transformer with embedded magnetic core
  • An integrated planar variable transformer with embedded magnetic core

Examples

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Embodiment Construction

[0048] While the following detailed description contains many details for illustration, any person skilled in the art will readily appreciate that many variations and modifications of the following exemplary details are within the scope of the invention. Accordingly, the following preferred embodiments of the invention are set forth without any loss of generality and without imposing limitations on the claimed invention.

[0049] The present invention includes planar magnetic elements in which ferrites or magnets are embedded as elements in a base insulating material with pre-formed openings in which the magnetic (ferrite) unit can be molded, routed by mechanically drilling holes, or stamped into a pre-form Open your mouth. These are then encapsulated in a low stress adhesive, such as a low stress epoxy, set to provide a suitable electrical environment. Copper layers combined with vias enable magnetic building blocks previously built from hand-wound cells in smaller component...

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Abstract

The current invention provides an integrated planar transformer and electronic component that includes at least one wideband planar transformer disposed in a planar substrate, where each wideband planar transformer includes a planar substrate in a fully-cured and rigid state, a ferrite material embedded in the planar substrate, where the ferrite material is enveloped in an elastic and non-conductive material, inter-wound conductors disposed around the embedded ferrite material, where top and bottom conductors are bonded by an insulating adhesive. The top and bottom conductors are connected in an inter-connected pattern by conductive vias disposed on each side of the ferrite material and span through the layers to the conductors. The planar transformer further includes at least one center tap connected to at least one inter-wound conductor. The integrated planar transformer and electronic component further includes at least one electronic component connected to at least one terminal of the wide-band planar transformer.

Description

[0001] Cross-reference related applications [0002] This application is a continuation of and claims in part U.S. Patent Application 12 / 006822, filed January 4, 2008, claiming the rights of U.S. Provisional Application 60 / 880208, filed January 11, 2007, and which also claims 2008 US Provisional Application 61 / 200809, filed December 3, 2008, and US Provisional Application 61 / 204178, filed December 31, 2008, which are hereby incorporated by reference. technical field [0003] The present invention generally relates to communication technologies. More specifically, the present invention relates to a method of fabricating embedded planar magnetic components and integrating planar magnets into communication connectors. Background technique [0004] Connectors have been used in the communications industry since their original development in the telephony business. The connector has undergone several evolutions to enable it to support current 10G / 1G / 100 / 10Mbps Ethernet. The tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28
CPCH01F27/22H01F21/12H01F2027/328H01F17/0033H01R13/719H01F2019/085H01R13/6675
Inventor 威廉.L.哈里森安-武.法姆詹姆斯.E.奎利希希德哈思.达尔米亚史蒂文.R.库比斯
Owner PLANARMAG
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