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Devices for thermally induced transformations controlled by irradiation of functionalized fullerenes
US9731013B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9731013-B2 |
| Application number | US-201514666803-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 24, 2015 |
| Priority date | Nov 12, 2008 |
| Publication date | Aug 15, 2017 |
| Grant date | Aug 15, 2017 |
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Abstract
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An electromagnetic radiation activated device comprises a property changing material and at least one functionalized fullerene that upon irradiation of the functionalized fullerenes with electromagnetic radiation of one or more frequencies a thermally activated chemical or physical transformation occurs in the property changing material. The thermal activated transformation of the property changing material is triggered by the heating or combustion of the functionalized fullerenes upon their irradiation. The device can include a chemical agent that is embedded in the property changing material and is released when the material is heated by the functionalized fullerenes upon irradiation.
First claim
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We claim: 1. An electromagnetic radiation activated memory device comprising: a property changing material; and at least one functionalized fullerene selected from the group consisting of polyhydroxy fullerene derivatives (PHFs), N ethyl-polyamino-C 60 s, fullerene hydrides, N-methyl fulleropyrrolidine, or combinations thereof, wherein the functionalized fullerene is on a surface of the property changing material or is distributed through at least a portion of the property change material, wherein irradiation of said functionalized fullerene with electromagnetic radiation of one or more frequencies generates heat, and wherein said heat is transferred to said property changing material, which transforms between an amorphous and a crystalline state upon heating, wherein said property changing material comprises a germanium antimony tellurium chaleofzenide alloy (GST). 2. The device of claim 1 , wherein said electromagnetic radiation activated memory device is a phase change random access memory (PRAM) chip, a RW compact disc (CD), or a digital video disc (DVD) optical storage memory device.
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- What does patent US9731013B2 cover?
- An electromagnetic radiation activated device comprises a property changing material and at least one functionalized fullerene that upon irradiation of the functionalized fullerenes with electromagnetic radiation of one or more frequencies a thermally activated chemical or physical transformation occurs in the property changing material. The thermal activated transformation of the property chan…
- Who is the assignee on this patent?
- Univ Florida
- What technology area does this patent fall under?
- Primary CPC classification A61K41/0052. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Aug 15 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).