Laminating magnetic cores for on-chip magnetic devices

US9697943B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9697943-B2
Application numberUS-201615348015-A
CountryUS
Kind codeB2
Filing dateNov 10, 2016
Priority dateFeb 6, 2013
Publication dateJul 4, 2017
Grant dateJul 4, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A laminating structure includes a first magnetic layer, a second magnetic layer, a first spacer disposed between the first and second magnetic layers and a second spacer disposed on the second magnetic layer.

First claim

Opening claim text (preview).

What is claimed is: 1. An on-chip magnetic device consisting of: a first magnetic unit consisting of first and second magnetic layers and a non-magnetic spacer layer therebetween, wherein the non-magnetic spacer layer has a thickness of 5 to 20 nanometers and is selected from the group consisting of copper, molydenum, zinc, rubidium, gold, silver, selenium, tellurium, sulfur, phosphorous, gallium, chromium, rhenium, indium, tin, nickel phosphorous, nickel boron, and non-magnetic alloys thereof; at least one additional magnetic unit consisting of first and second magnetic layers and the non-magnetic spacer layer therebetween; a resistive spacer disposed between the first and the at least one additional magnetic units, wherein the resistive spacer is at a thickness of 100 nm to 1 micron and is selected from the group consisting of selenium, bismuth, tellurium, phosphorous, sulfur, germanium, antimony, and alloys thereof that can be electrochemically reduced.

Assignees

Inventors

Classifications

  • the spacer being noble metal · CPC title

  • for manufacturing cores, coils, or magnets (H01F41/14 takes precedence; for dynamo-electric machines H02K15/00) · CPC title

  • Apparatus specially adapted for electrolytic coating of wafers, e.g. semiconductors or solar cells · CPC title

  • Magnets · CPC title

  • made from sheets · CPC title

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Frequently asked questions

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What does patent US9697943B2 cover?
A laminating structure includes a first magnetic layer, a second magnetic layer, a first spacer disposed between the first and second magnetic layers and a second spacer disposed on the second magnetic layer.
Who is the assignee on this patent?
IBM
What technology area does this patent fall under?
Primary CPC classification H01F10/3231. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jul 04 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).