2 results about "Diamond deposition" patented technology

Methods for forming a polycrystalline diamond compact (PDC) drill bit from catalyst-free synthesized polycrystalline diamonds are described. The polycrystalline diamonds are deposited within a mold. In some cases, a matrix body material is deposited within the mold, and an infiltration process is performed to bond the polycrystalline diamonds to the matrix body material to form the PDC drill bit. In some cases, a drill bit body is formed within the mold, and forming the drill bit body within the mold includes depositing a layer of matrix body material particles within the mold, depositing an adhesive ink within the mold, and curing the adhesive ink. In some cases, a sintering process is performed after forming the drill bit body to remove at least a portion of the adhesive ink and increase a density of the drill bit body to form the PDC drill bit.

This invention discloses a deposition apparatus based on diamond semiconductor wafers, relating to the field of diamond deposition technology. In this invention, a waveguide channel is provided within the waveguide assembly. A cavity wall assembly one is mounted on top of the cavity bottom assembly and includes a cutoff plate and a gas supply pipe assembly. A cavity wall assembly two is sealed to cavity wall assembly one to form an anti-wave cavity and a resonant cavity. When cavity wall assembly two is sealed to cavity wall assembly one, the cutoff plate is located within the resonant cavity. The deposition substrate is located within the anti-wave cavity and directly below the cutoff plate. Microwaves generate a resonant wave between the cutoff plate and the deposition substrate. This resonant wave is used to resonate with the mixed gas to generate a plasma ball. This invention uses a hydraulic rod to ensure the movement control of the lower cavity wall assembly two, allowing cavity wall assembly two to achieve tight docking or separation from cavity wall assembly one. This enables rapid loading and unloading of the deposition substrate after diamond deposition, preventing burns caused by the internal temperature of the deposition cavity and facilitating efficient diamond removal.