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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0935484 (2015-11-09) |
| 등록번호 | US-10207315 (2019-02-19) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 327 |
Certain exemplary embodiments can provide a composition, system, machine, device, manufacture, circuit, and/or user interface adapted for, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise, after removing a cast device from
Certain exemplary embodiments can provide a composition, system, machine, device, manufacture, circuit, and/or user interface adapted for, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise, after removing a cast device from a stack-lamination-derived mold, said cast device formed from a molding composition, applying a desired shape to said cast device to form a shaped cast device, said molding composition comprising: a ceramic composition comprising silica; an cycloaliphatic epoxy binder composition, said cycloaliphatic epoxy binder composition present in said molding composition in an amount up to 30% by weight of said molding composition; a silicone composition comprising a siloxane resin, said silicone composition present in said molding composition in an amount up to 30% by weight of said molding composition; and a solvent composition adapted to dissolve said cycloaliphatic epoxy binder composition and said silicone composition.
1. A device comprising: a device composition comprising: a ceramic composition comprising a plurality of crystalline forms of silica, a first crystalline form of silica from the plurality of crystalline forms of silica being cristobalite in an amount greater than 2.5% and less than 10% by weight of
1. A device comprising: a device composition comprising: a ceramic composition comprising a plurality of crystalline forms of silica, a first crystalline form of silica from the plurality of crystalline forms of silica being cristobalite in an amount greater than 2.5% and less than 10% by weight of the device composition;an cycloaliphatic epoxy binder composition, the cycloaliphatic epoxy binder composition present in the device composition in an amount up to 30% by weight of the device composition; anda silicone composition comprising a siloxane resin, the silicone composition present in the device composition in an amount up to 30% by weight of the device composition;the device defining a plurality of wall surfaces, a wall surface from the plurality of wall surfaces comprising a plurality of 3-dimensional micro-features, the plurality of 3-dimensional micro-features comprising at least one protruding undercut, the plurality of wall surfaces defining a periphery of a layer-less volume;the device configured to be substantially carbon-free after sintering;the device having a post-sintering measured apparent porosity of 15 to 35 percent and a predetermined surface characteristic. 2. The device of claim 1, wherein: the ceramic composition comprises approximately 6 percent to approximately 10 percent cristobalite by weight of the device composition. 3. The device of claim 1, wherein: the device composition comprises zircon. 4. The device of claim 1, wherein: the device composition comprises alumina. 5. The device of claim 1, further comprising: a photolithographically-derived foil structure substantially surrounded by the ceramic composition. 6. The device of claim 1, wherein: the device is configured to serve as an investment casting core. 7. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast product. 8. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast turbomachine component. 9. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast air foil. 10. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast blade. 11. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast vane. 12. The device of claim 1, wherein: the device is configured to serve as a core for an investment cast nozzle. 13. The device of claim 1, wherein: the device defines a plurality of cooling passages for an investment cast product. 14. The device of claim 1, wherein: the device comprises a first planar surface configured to be transformed into a non-planar surface via thermoforming the ceramic composition. 15. The device of claim 1, wherein: the device is removable, from an ancestor mold having a surface that comprises a plurality of substantially spatially inverted replicas of the plurality of 3-dimensional microfeatures, the mold having an opening defined by an opening cross-sectional area that is smaller than a largest cross-sectional area of the device, without damage to the device and without damage to the ancestor mold.
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