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Containment of molten aluminum using non-wetting materials
US9227242B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9227242-B2 |
| Application number | US-201314075239-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 8, 2013 |
| Priority date | Feb 28, 2013 |
| Publication date | Jan 5, 2016 |
| Grant date | Jan 5, 2016 |
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- Title
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Abstract
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A method of containing molten aluminum using non-wetting materials comprising depositing MgAl 2 O 4 , or one selected from an oxide, Al 2 O 3 , nitride, AlN, BN, carbide, and SiC, onto a crucible. An apparatus for containment of molten aluminum using non-wetting materials comprising a layer of MgAl 2 O 4 , or one selected from an oxide, Al 2 O 3 , nitride, AlN, BN, carbide, and SiC, deposited onto a crucible.
First claim
Opening claim text (preview).
What we claim is: 1. A method of manufacturing a crucible comprising: masking off a crucible using a mask to confine any deposition to the rim of the crucible; depositing MgAl 2 O 4 onto the crucible; and rotating the crucible during deposition; wherein the step of depositing MgAl 2 O 4 onto the crucible was via RF magnetron sputtering and wherein the RF magnetron sputtering was at an energy density of ˜9 W/cm 2 and a pressure of 1-10 mT and wherein the crucible was held at room temperature for an estimated spinel film thickness of 500-1000 nm. 2. The method of manufacturing a crucible of claim 1 further comprising the steps of; removing the mask from the crucible; and cleaning the crucible using solvents. 3. The method of manufacturing a crucible of claim 1 wherein the step of rotating the crucible during deposition was at ˜10 rpm during deposition.
Assignees
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Classifications
of aluminium, magnesium or beryllium · CPC title
Crucible linings · CPC title
Crucibles · CPC title
- B22D41/02Primary
Linings · CPC title
Nitrides (C23C14/0617 takes precedence) · CPC title
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- What does patent US9227242B2 cover?
- A method of containing molten aluminum using non-wetting materials comprising depositing MgAl 2 O 4 , or one selected from an oxide, Al 2 O 3 , nitride, AlN, BN, carbide, and SiC, onto a crucible. An apparatus for containment of molten aluminum using non-wetting materials comprising a layer of MgAl 2 O 4 , or one selected from an oxide, Al 2 O 3 , nitride, AlN, BN, carbide, and SiC, deposited o…
- Who is the assignee on this patent?
- Myers Jason D, Frantz Jesse A, Villalobos Guillermo R, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification B22D41/02. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jan 05 2016 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).