PROCESS FOR MANUFACTURING A SILICON CARBIDE COATED BODY

    公开(公告)号:US20200325575A1

    公开(公告)日:2020-10-15

    申请号:US16957571

    申请日:2018-12-22

    IPC分类号: C23C16/32 C23C16/04 C01B32/21

    摘要: The present invention relates to a new process for manufacturing a silicon carbide (SiC) coated body by depositing SiC in a chemical vapor deposition method using dimethyldichlorosilane (DMS) as the silane source on a graphite substrate. A further aspect of the present invention relates to the new silicon carbide coated body, which can be obtained by the new process of the present invention, and to the use thereof for manufacturing articles for high temperature applications, susceptors and reactors, semiconductor materials, and wafer.

    Deposition of boron and carbon containing materials

    公开(公告)号:US10790137B2

    公开(公告)日:2020-09-29

    申请号:US16549434

    申请日:2019-08-23

    发明人: Viljami Pore

    摘要: Methods of depositing boron and carbon containing films are provided. In some embodiments, methods of depositing B,C films with desirable properties, such as conformality and etch rate, are provided. One or more boron and/or carbon containing precursors can be decomposed on a substrate at a temperature of less than about 400° C. In some embodiments methods of depositing silicon nitride films comprising B and C are provided. A silicon nitride film can be deposited by a deposition process including an ALD cycle that forms SiN and a CVD cycle that contributes B and C to the growing film.

    CERAMIC MATRIX COMPOSITE MANUFACTURING
    93.
    发明申请

    公开(公告)号:US20200300470A1

    公开(公告)日:2020-09-24

    申请号:US16893745

    申请日:2020-06-05

    摘要: A method of manufacturing a ceramic matrix composite component may include introducing a gaseous precursor into an inlet portion of a chamber that houses a porous preform and introducing a gaseous mitigation agent into an outlet portion of the chamber that is downstream of the inlet portion of the chamber. The gaseous precursor may include methyltrichlorosilane (MTS) and the gaseous mitigation agent may include hydrogen gas. The introduction of the gaseous precursor may result in densification of the porous preform(s) and the introduction of the gaseous mitigation agent may shift the reaction equilibrium to disfavor the formation of harmful and/or pyrophoric byproduct deposits, which can accumulate in an exhaust conduit 340 of the system.

    FORMATION OF SiOC THIN FILMS
    96.
    发明申请

    公开(公告)号:US20200273697A1

    公开(公告)日:2020-08-27

    申请号:US16811258

    申请日:2020-03-06

    摘要: Methods for depositing silicon oxycarbide (SiOC) thin films on a substrate in a reaction space are provided. The methods can include at least one plasma enhanced atomic layer deposition (PEALD) cycle including alternately and sequentially contacting the substrate with a silicon precursor that does not comprise nitrogen and a second reactant that does not include oxygen. In some embodiments the methods allow for the deposition of SiOC films having improved acid-based wet etch resistance.

    Apparatus and method for coating specimens

    公开(公告)号:US10731252B2

    公开(公告)日:2020-08-04

    申请号:US15989697

    申请日:2018-05-25

    发明人: Stephen Harris

    摘要: An apparatus for coating specimens includes a reaction chamber and a plurality of reaction modules in the reaction chamber for containing specimens to be coated, where each reaction module includes a module inlet and a module outlet. A plurality of conduits are configured to be in fluid communication with at least one gas source external to the reaction chamber, and each of the conduits terminates in one of the reaction modules for delivery of gaseous reagents to the specimens to be coated. The module outlets are in fluid communication with the reaction chamber for expulsion of gaseous reaction products from the reaction modules.

    SiC MEMBER AND MANUFACTURING METHOD THEREOF
    99.
    发明申请

    公开(公告)号:US20200243302A1

    公开(公告)日:2020-07-30

    申请号:US16603698

    申请日:2019-04-24

    申请人: ADMAP INC.

    发明人: Shimpei CHIDA

    IPC分类号: H01J37/32 C23C16/32

    摘要: A SiC member includes: a substrate having a reference hole in a front-back direction; and first and second SiC coats. The first SiC coat has a first hole connected to the reference hole in the front-back direction, a first region extending around the first hole to form its inner circumferential surface, and a second region extending around the first region adjacently to the first region, the second SiC coat has a second hole connected to the first hole in the front-back direction, a third region extending around the second hole to form its inner circumferential surface, and a fourth region extending around the third region adjacently to the third region, the first region has a crystal structure containing crystals grown in a first direction obliquely crossing the front-back direction, and the second, third and fourth regions have crystal structures containing crystals grown in a second direction along the front-back direction.

    NANOSTRUCTURED METALLIC LAYER ON CARBIDE FOR IMPROVED COATING ADHESION

    公开(公告)号:US20200238390A1

    公开(公告)日:2020-07-30

    申请号:US16849405

    申请日:2020-04-15

    发明人: Wenping Jiang

    摘要: A coating for carbide substrates employs a nanostructured coating in conjunction with a non-nanostructured coating. The nanostructured coating is produced by the addition of a refining agent flow, particular hydrogen chloride gas, during deposition, and may be produced as multiple individual titanium and titanium-based nanostructured layers varying functional materials in a series. The combination of a nanostructured coating and non-nanostructured coating is believed to produce a cutting tool insert that exhibits longer life. Pre-treating the substrate with a mixture of compressed air and abrasive medium prior to coating the substrate and post-treating the coated substrate with a mixture of water and abrasive medium after the coating process is believed to further enhance the wear resistance and usage life of the cutting tool.