Semiconductor device

US2021320179A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2021320179-A1
Application numberUS-201917259622-A
CountryUS
Kind codeA1
Filing dateJul 10, 2019
Priority dateJul 12, 2018
Publication dateOct 14, 2021
Grant date

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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 semiconductor device with enhanced semiconductor characteristics that is useful for power devices. A semiconductor device, including: an n-type semiconductor layer; one or more p-type semiconductors; an electrode, the one or more p-type semiconductors that are provided between the n-type semiconductor layer and the electrode, and at least a part of the one or more p-type semiconductors is protruded in the electrode.

First claim

Opening claim text (preview).

1 . A semiconductor device, comprising: an n-type semiconductor layer; one or more p-type semiconductors; an electrode, the one or more p-type semiconductors that are provided between the n-type semiconductor layer and the electrode, and at least a part of the one or more p-type semiconductors is protruded in the electrode. 2 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors are embedded in the electrode. 3 . The semiconductor device according to claim 1 , wherein three p-type semiconductors are provided between the n-type semiconductor layer and the electrode. 4 . The semiconductor device according to claim 1 , wherein the n-type semiconductor layer contains an oxide semiconductor as a major component. 5 . The semiconductor device according to claim 1 , wherein the n-type semiconductor layer contains gallium compound as a major component. 6 . The semiconductor device to claim 1 , wherein the n-type semiconductor layer contains a crystalline oxide semiconductor having a corundum structure or a hexagonal structure as a major component. 7 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors is an oxide semiconductor, and wherein the oxide semiconductor contains one or more metals selected from Group 13 and Group 9 of the periodic table. 8 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors contains an oxide semiconductor containing gallium. 9 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors are crystalline oxide semiconductors having a corundum structure or a hexagonal structure. 10 . The semiconductor device according to claim 1 , wherein ten or more p-type semiconductors are provided between the n-type semiconductor layer and the electrode 11 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors are epitaxially grown on the n-type semiconductor layer. 12 . The semiconductor device according to claim 1 , wherein the one or more p-type semiconductors include a lateral-growth area. 13 . The semiconductor device according to claim 1 , wherein the semiconductor device is a diode. 14 . The semiconductor device according to claim 1 , wherein the semiconductor device is a Junction barrier Schottky diode. 15 . The semiconductor device according to claim 1 , wherein the semiconductor device is a power device. 16 . A semiconductor system, comprising: a semiconductor device according to claim 1 .

Assignees

Inventors

Classifications

  • using solutions · CPC title

  • P-type · CPC title

  • N-type · CPC title

  • being oxide semiconductor materials (Group IIB-VIA semiconductor materials H10P14/3424) · CPC title

  • being oxide semiconducting materials (Group IIB-VIA semiconductors H10P14/3224) · CPC title

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Frequently asked questions

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What does patent US2021320179A1 cover?
A semiconductor device with enhanced semiconductor characteristics that is useful for power devices. A semiconductor device, including: an n-type semiconductor layer; one or more p-type semiconductors; an electrode, the one or more p-type semiconductors that are provided between the n-type semiconductor layer and the electrode, and at least a part of the one or more p-type semiconductors is pro…
Who is the assignee on this patent?
Flosfia Inc
What technology area does this patent fall under?
Primary CPC classification H10D64/23. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Oct 14 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).