Abstract:
A gas supply device for intermittently supplying raw material gas into a film forming process unit that includes a raw material container for accommodating a raw material, a carrier gas supply unit for supplying carrier gas to evaporate the raw material, a raw material gas supply path for supplying the raw material gas and the carrier gas into the film forming process unit, a flow rate detector, a flow rate regulating valve, a raw material supply and block unit for supplying and blocking the raw material gas into the film forming process unit, and a control unit for outputting a control signal for intermittently supplying the raw material gas into the film forming process unit.
Abstract:
Provided is a raw material gas supply device which includes: a raw material container; a carrier gas supply unit configured to supply a carrier gas into the container via a carrier gas flow path; a first flow rate measurement unit configured to measure a flow rate of the carrier gas flowing therethrough and output the same as a first flow rate measurement value; a raw material gas supply path configured to supply a raw material gas containing a vaporized raw material into a film forming apparatus; a second flow rate measurement unit configured to measure a flow rate of the raw material gas flowing therethrough and output the same as a second flow rate measurement value; and a flow rate calculation unit configured to calculate a difference between the first and second flow rate measurement values and to convert the difference into a vaporization flow rate of the raw material.
Abstract:
Provided is a raw material gas supply device for use in a film forming apparatus, which includes: a raw material container configured to accommodate a solid raw material; a carrier gas supply unit configured to supply a carrier gas to the container; a raw material gas supply path configured to supply a raw material gas containing a vaporized raw material from the container to the film forming apparatus; a flow rate measurement unit configured to measure a flow rate of the vaporized raw material; a pressure control unit configured to control an internal pressure of the container; and a control unit configured to control the pressure control unit to increase the internal pressure of the container when the measured flow rate of the vaporized raw material is higher than a predetermined target value, and to decrease the internal pressure when the measured flow rate is lower than the target value.
Abstract:
A directional coupler includes: a hollow coaxial line including a central conductor forming a main line and an outer conductor surrounding the central conductor and having an opening formed therein; a dielectric substrate covering the opening and provided with film-shaped ground conductors, wherein a film-shaped ground conductor covers a rear surface of the dielectric substrate facing the central conductor via the opening and a film-shaped ground conductor covers a front surface of the dielectric substrate, respectively, and are grounded; and a coupling line provided on the rear surface of the dielectric substrate in a region surrounded by the ground conductor formed on the rear surface and serving as an auxiliary line, wherein the ground conductor formed on the front surface is provided with a conductor-removed portion in which a portion of a conductor film in a region facing the coupling line via the dielectric substrate is removed.
Abstract:
A device includes an amplifier for amplifying and supplying a high frequency power supplied to a load, a parameter detector for detecting a parameter of a current, a voltage, or a power from the amplifier to the load, a current supply unit for supplying a driving current for the amplifier, and an output unit for outputting a command signal for changing an amplification degree of the amplifier based on the detected parameter such that the parameter becomes a target value. The device further includes a first abnormality detector for detecting an abnormality by monitoring the command signal, and/or a current detector for detecting the driving current, a current data storage unit storing an upper and a lower limit value of the driving current, and a second abnormality detector for detecting the abnormality based on at least one of the upper limit value or the lower limit value.