REMOVING IMPURITIES FROM PRECURSORS

    公开(公告)号:US20250090975A1

    公开(公告)日:2025-03-20

    申请号:US18888013

    申请日:2024-09-17

    Applicant: ENTEGRIS, INC.

    Abstract: Methods for removing impurities from precursors and related systems are provided. A method comprises at least one thermal cycle. The at least one thermal cycle comprises one or more of the following steps: heating a vessel comprising a precursor and at least one impurity to a temperature for a duration sufficient to vaporize at least a portion of the at least one impurity; measuring a vapor pressure within the vessel to obtain a measured vapor pressure and comparing the measured vapor pressure to a set point vapor pressure; and when the measured vapor pressure is above or within the set point vapor pressure, removing, from the vessel, at least a portion of a vapor comprising the at least one impurity. Other methods and systems are provided herein.

    MOLYBDENUM PRECURSOR COMPOUNDS
    4.
    发明公开

    公开(公告)号:US20230142966A1

    公开(公告)日:2023-05-11

    申请号:US17982220

    申请日:2022-11-07

    Applicant: ENTEGRIS, INC.

    CPC classification number: C23C16/16 C23C16/45553

    Abstract: The invention provides certain molybdenum-containing compounds which are believed to be useful in the vapor deposition of molybdenum-containing films onto the surface of various microelectronic device substrates. In one aspect, the invention provides a process for depositing a molybdenum-containing film onto a microelectronic device substrate, which comprises exposing the substrate, in a reaction zone, to a compound of Formula (I) as described herein, under vapor deposition conditions.

    Methods of preparing molybdenum-containing films

    公开(公告)号:US12297531B2

    公开(公告)日:2025-05-13

    申请号:US17982220

    申请日:2022-11-07

    Applicant: ENTEGRIS, INC.

    Abstract: A process for depositing a molybdenum-containing film onto a microelectronic device substrate, which comprises exposing the substrate, in a reaction zone, to a compound of Formula (I) under vapor deposition conditions, thereby forming a molybdenum-containing film on the substrate. The molybdenum-containing films include one or more of molybdenum metal, molybdenum oxide, molybdenum carbide, and molybdenum nitride.

    TUNGSTEN PRECURSORS AND RELATED METHODS
    8.
    发明公开

    公开(公告)号:US20240116774A1

    公开(公告)日:2024-04-11

    申请号:US18376476

    申请日:2023-10-04

    Applicant: ENTEGRIS, INC.

    CPC classification number: C01G41/04

    Abstract: A precursor comprises a tungsten precursor and a carbon-containing material. The precursor comprises less than 0.02% by weight of the carbon-containing material based on a total weight of the precursor. A method for purifying a tungsten precursor may comprise at least one of the following steps: obtaining a source vessel containing a tungsten precursor and a carbon-containing material; separating the tungsten precursor from at least a first portion of the carbon-containing material; recovering a precursor in a collection vessel; or any combination thereof.

    DIFFUSERS IN VAPORIZERS AND RELATED METHODS

    公开(公告)号:US20250020282A1

    公开(公告)日:2025-01-16

    申请号:US18767649

    申请日:2024-07-09

    Applicant: ENTEGRIS, INC.

    Abstract: Diffuser plates in vaporizers, and related systems and methods, are provided. A vaporizer comprises a vessel having an outlet. The vessel contains or is configured to contain a vaporizable precursor that, when vaporized, produces a precursor vapor. The vessel discharges or is configured to discharge the precursor vapor through the outlet. The vaporizer includes a diffuser located within the vessel, between the vaporizable precursor and the outlet. The diffuser has a first surface, a second surface opposite the first surface, and a plurality of holes extending from the first surface of the diffuser through to the second surface of the diffuser.

    MOLYBDENUM PRECURSORS AND RELATED METHODS
    10.
    发明公开

    公开(公告)号:US20240190718A1

    公开(公告)日:2024-06-13

    申请号:US18533684

    申请日:2023-12-08

    Applicant: ENTEGRIS, INC.

    CPC classification number: C01G39/04

    Abstract: Molybdenum precursors with high purity and methods for purifying molybdenum precursors are provided. A method comprises obtaining a first vessel comprising a solid reagent; vaporizing at least a portion of the solid reagent to produce a vapor comprising a MoCl5 vapor and a molybdenum impurity vapor; flowing at least a portion of the MoCl5 vapor and at least a portion of the molybdenum impurity vapor to a second vessel; condensing at least a portion of the MoCl5 vapor in the second vessel to separate the MoCl5 from the molybdenum impurity; and removing at least a portion of the molybdenum impurity vapor from the second vessel to obtain a MoCl5 precursor.

Patent Agency Ranking