High permittivity nanocomposites for electronic devices

Patent metadata

Field	Value
Publication number	US-10541090-B2
Application number	US-201514846773-A
Country	US
Kind code	B2
Filing date	Sep 6, 2015
Priority date	Mar 8, 2013
Publication date	Jan 21, 2020
Grant date	Jan 21, 2020

Abstract

The invention pertains to the field of electronic devices and the preparation thereof. In an aspect is an electronic device comprising a nanocomposite of carbon nanodomains homogeneously embedded in an insulating ceramic matrix, wherein the size and distribution of carbon nanodomains is such that the nanocomposite has a permittivity of greater than or equal to 200.

First claim

What is claimed is:

1. An electronic device comprising a nanocomposite of carbon nanodomains homogeneously embedded in an insulating ceramic matrix, wherein the size and distribution of carbon nanodomains is such that the nanocomposite has a permittivity of greater than or equal to 200, and wherein the carbon nanodomains are thermally formed in situ via pyrolysis at a temperature of from about 800° C. to about 1500° C. during formation of the insulating ceramic matrix.

2. The electronic device of claim 1 , wherein the carbon nanodomains comprise graphene.

3. The electronic device of claim 1 , wherein the carbon nanodomains constitute between 5-40 vol % of the nanocomposite.

4. The electronic device of claim 1 , wherein the carbon nanodomains comprise graphene, and wherein the graphene is in the form of single layers, stacks of 2-4 layers, or stacks of more than 4 layers, or combinations thereof.

5. The electronic device of claim 1 , wherein the nanocomposite is a component in a dielectric material, wherein the dielectric material is a film.

6. The electronic device of claim 1 , wherein the carbon nanodomains have dimensions of less than 20 nm.

7. The electronic device of claim 1 , wherein the nanocomposite is further disposed within a second phase, the second phase comprising a polymer, ceramic, or glass material matrix.

8. The electronic device of claim 1 , wherein the carbon nanodomains constitute between 5-40 vol % of the nanocomposite and do not constitute an electrical conduction path.

9. The electronic device of claim 1 , wherein the carbon nanodomains volume does not constitute an electrical conduction path, and wherein the volume and distribution of carbon nanodomains provide a permittivity of the nanocomposite that is greater than or equal to 200.

10. The electronic device of claim 1 , wherein the nanocomposite is further disposed within a second phase, the second phase comprising a polymer, ceramic, or glass material matrix, and wherein the carbon nanodomains comprise graphene that are single layers or stacks of 2-4 layers, and wherein the volume and distribution of the carbon nanodomains provide a permittivity of the nanocomposite that is greater than or equal to 200.

11. The electronic device of claim 1 , wherein the nanocomposite is further disposed within a second phase, the second phase comprising a polymer, ceramic, or glass material matrix, and wherein the carbon nanodomains comprise graphene that forms stacks of more than 4 layers, and wherein the volume and distribution of carbon nanodomains provide a permittivity of the nanocomposite that is greater than or equal to 200.

12. The electronic device of claim 1 , wherein the electronic device is selected from: a capacitor; a hybrid electrochemical battery capacitor; an RF-reactive circuit element; an RF filter; a DRA-type RF antenna; an energy storage device; a pulse power system; a capacitor energy storage device; a distributed capacitor in a microdevice; a component in a field effect transistor (FET); and an integrated component in a very large system integration (VLSI).

13. The electronic device of claim 1 , wherein the carbon nanodomains are thermally formed in situ via pyrolysis at a temperature of from about 800° C. to about 1200° C. during formation of the insulating ceramic matrix.

14. An electronic device comprising a nanocomposite of carbon nanodomains homogeneously embedded in an insulating ceramic matrix, wherein the size and distribution of carbon nanodomains is such that the nanocomposite has a permittivity of greater than or equal to 200, wherein the carbon nanodomains have dimensions of less than about 20 nm, wherein the carbon nanodomains constitute between from about 5 vol % to about 40 vol % of the nanocomposite, and wherein the carbon nanodomains are thermally formed in situ via pyrolysis at a temperature of from about 800° C. to about 1200° C. during formation of the insulating ceramic matrix.

15. An electronic device comprising a nanocomposite of carbon nanodomains homogeneously embedded in an insulating ceramic matrix, wherein the size and distribution of carbon nanodomains is such that the nanocomposite has a permittivity of greater than or equal to 200, and wherein the nanocomposite is a component in a dielectric material, wherein the dielectric material is a film.

16. The electronic device of claim 15 , wherein the carbon nanodomains comprise graphene.

Assignees

• Stanford Res Inst Int

Inventors

• Blum Yigal D
• Chan Winston K
• Hodges John W
• Hui David K
• Krishnamurthy Srinivasan
• Mcqueen David Brent
• Rippen Marc

Classifications

• H01G11/38

  Carbon pastes or blends; Binders or additives therein · CPC title

• C04B35/78

  containing non-metallic materials · CPC title

• H01M2220/30

  Batteries in portable systems, e.g. mobile phone, laptop · CPC title

• H01G11/56 Primary

  Solid electrolytes, e.g. gels; Additives therein · CPC title

• H01G9/15

  Solid electrolytic capacitors (H01G11/00 takes precedence) · CPC title