Dielectric composition, dielectric thin film, dielectric element, and electronic circuit board

US11524897B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11524897-B2
Application numberUS-202117190045-A
CountryUS
Kind codeB2
Filing dateMar 2, 2021
Priority dateMar 9, 2020
Publication dateDec 13, 2022
Grant dateDec 13, 2022

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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.

To provide a dielectric composition having excellent reliability. The dielectric composition contains a main component represented by a composition formula (Sr 1-x Ca x ) m (Ti 1-y Hf y )O 3-δ N δ , in which 0.15<x≤0.90, 0<y≤0.15, 0.90≤m≤1.15, 0<δ≤0.05 are satisfied.

First claim

Opening claim text (preview).

What is claimed is: 1. A dielectric composition comprising: a main component represented by a composition formula (Sr 1-x Ca x ) m (Ti 1-y Hf y )O 3-δ N δ , wherein 0.15<x≤0.90, 0<y≤0.15, 0.90≤m≤1.15, and 0<δ≤0.05 are satisfied. 2. A dielectric thin film comprising: the dielectric composition according to claim 1 . 3. A dielectric element comprising: the dielectric thin film according to claim 2 ; and an electrode. 4. The dielectric element according to claim 3 , wherein the electrode comprises a Ni foil, and the dielectric thin film is formed on the Ni foil. 5. An electronic circuit board comprising: the dielectric element according to claim 3 . 6. An electronic circuit board comprising: the dielectric element according to claim 4 .

Assignees

Inventors

Classifications

  • incorporating printed capacitors · CPC title

  • Thin- or thick-film capacitors {(thin- or thick-film circuits; capacitors without a potential-jump or surface barrier specially adapted for integrated circuits, details thereof, multistep manufacturing processes therefor)} · CPC title

  • consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement · CPC title

  • Oxynitrides of metals, boron or silicon · CPC title

  • based on titanium oxides or titanates (H01G4/1245 takes precedence) · CPC title

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What does patent US11524897B2 cover?
To provide a dielectric composition having excellent reliability. The dielectric composition contains a main component represented by a composition formula (Sr 1-x Ca x ) m (Ti 1-y Hf y )O 3-δ N δ , in which 0.15<x≤0.90, 0<y≤0.15, 0.90≤m≤1.15, 0<δ≤0.05 are satisfied.
Who is the assignee on this patent?
Tdk Corp
What technology area does this patent fall under?
Primary CPC classification C01B21/0821. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Dec 13 2022 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).