Carbon nanotube field emitter and preparation method thereof
US-10811211-B1 · Oct 20, 2020 · US
Electron emission element and method for manufacturing the same
US8928215B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8928215-B2 |
| Application number | US-201313868182-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 23, 2013 |
| Priority date | Mar 27, 2013 |
| Publication date | Jan 6, 2015 |
| Grant date | Jan 6, 2015 |
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Abstract
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An electron emission device and a method of manufacturing the same are provided. The electron emission device includes i) a hydrophilic resin substrate and ii) carbon nano tubes that are positioned on the resin substrate. Surface roughness Ra of the resin substrate is 7.3 μm to 9.75 μm.
First claim
Opening claim text (preview).
What is claimed is: 1. An electron emission device, comprising: a hydrophile resin substrate; and carbon nano tubes that are positioned on the resin substrate, wherein average surface roughness Ra of the resin substrate is 7.3 μm to 9.7 μm. 2. The electron emission device of claim 1 , wherein the average surface roughness Ra of the resin substrate is 9.2 μm to 9.4 μm. 3. The electron emission device of claim 1 , wherein the carbon na…
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Electricity · mapped topic
Electricity · mapped topic
Operations & Transport · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8928215B2 cover?
- An electron emission device and a method of manufacturing the same are provided. The electron emission device includes i) a hydrophilic resin substrate and ii) carbon nano tubes that are positioned on the resin substrate. Surface roughness Ra of the resin substrate is 7.3 μm to 9.75 μm.
- Who is the assignee on this patent?
- Intellectual Discovery Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01J1/3042. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 06 2015 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).