Evaporation source, in particular for use in a sputtering process or in a vacuum arc evaporation process, preferably a cathode vacuum arc evaporation process. The evaporation source includes an inner base body which is arranged in an outer carrier body and which is arranged with respect to the outer carrier body such that a cooling space in flow communication with an inlet and an outlet is formed between the base body and the carrier body. In accordance with the invention, the cooling space includes an inflow space and an outflow space, and the inflow space is in flow communication with the outflow space via an overflow connection for the cooling of the evaporation source such that a cooling fluid can be conveyed from the inlet via the inflow space the overflow connection and the outflow space to the outlet.

A crucible apparatus includes a crucible and one or more induction coils arranged around the crucible. Upon application of electric power to the one or more induction coils, a first thermal zone is generated in at least a first portion of the crucible and a second thermal zone is generated in at least a second portion of the crucible, wherein a first thermal characteristic of the first thermal zone is different from a second thermal characteristic of the second thermal zone.

According to one embodiment, a vaporizing system comprises first and second tanks that can accumulate liquid source and first, second, and third pipes. The first pipe allows first gas to be sent out of the first tank. The second pipe allows second gas to be sent out of the second tank. The third pipe is connected to the first and second pipes and allows the first and second gas to be sent out to an external apparatus. The first tank is placed on an upper side of the second tank in a stacked manner.

The present invention discloses a heating source, applied in an evaporator of organic light emitting diode to heat a heating container in the evaporator, wherein the heating source comprises a heating coil and a protective component, and the protective component is insulation material, and two ends of the heating coil are connected to a power source to receive voltages to generate heat, and the protective component is located on the heating coil to restrict a deformation range of the heating coil for restricting contact of two adjacent heater strips in the heating coil and preventing the short circuit the two adjacent heater strips. Therefore, the present invention reduces the possibility of the heating coil short circuit and raises the stability of the heating coil, and thus, the stability of the evaporator applied with the heating coil can be provided.

A vapor deposition device is provided with first and second vapor deposition sources, a common pipe that is connected to the first and second vapor deposition sources, a vapor deposition particle emission source that is connected to the common pipe and emits vapor deposition particles from each of the first and second vapor deposition sources, an exhaust valve that is connected to the vapor deposition particle emission source, and an exhaust pump that is connected to the exhaust valve.

A crystal growing apparatus includes: a crucible which includes a main body portion, and a first portion having a radiation rate different from that of the main body portion, and is capable of controlling a temperature of a specific region inside during heating to a higher or lower temperature than that of the other regions; and a heating unit which is positioned on the outside of the crucible and is configured to heat the crucible by radiant heat, and the first portion is at a position where the crucible and a line segment connecting a heating center of the heating unit and the specific region intersect with each other.

The present disclosure relates to an organic light emitting device, a display device, a preparation method, a storage medium and a computer equipment. The organic light emitting device includes an anode, an organic layer and a cathode, in which the organic layer includes a hole injection layer, a hole transport layer, an electron blocking layer, an organic light emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer, which are sequentially arranged in a stack on the anode, in which the hole injection layer includes a first host material and a first doping material doped in the first host material, a doping concentration of the first doping material gradually decreases in a direction away from the anode, and a doping ratio of the first doping material in the hole injection layer is less than or equal to 6%.

Strontium halide scintillators, calcium halide scintillators, cerium halide scintillators, cesium barium halide scintillators, and related devices and methods are provided.

A method for applying an aluminide coating includes applying an aluminum-based slurry onto an elongated member. The elongate member is introduced through an opening of a component and positioned within a cavity of the component at a location that is spaced apart from the internal surfaces of the component. Heat is applied to generate vaporized aluminum which diffuses into the internal surfaces of the component. Aluminum reacts with the internal surfaces to form an aluminide coating.

A vacuum powered deposition apparatus including a driving unit, a linear motion unit coupled to the driving unit and configured to move linearly according to operation of the driving unit, and an angle restriction unit coupled to the linear motion unit and configured to move in a direction perpendicular to that of the linear motion unit according to movement of the linear motion unit.