Patent classifications
H01L21/67155
Substrate processing apparatus and substrate processing method
A substrate processing apparatus includes: a plurality of unit blocks, each having a plurality of modules for processing substrates and a substrate transfer path; a plurality of main transfer mechanisms, each being provided on the substrate transfer path, and configured to transfer the substrates among the plurality of modules; a loading and unloading transfer mechanism configured to load and unload the substrates with respect to each of the unit blocks; a memory configured to store substrate transfer history for each of the unit blocks; and a setting part configured to update a cycle time, which is a time required for a corresponding one of the main transfer mechanisms to move around the substrate transfer path once, of each of the unit blocks based on the substrate transfer history, and configured to set a transfer schedule of the substrates in each of the unit blocks based on the updated cycle time.
SELECTIVE ETCH RATE MONITOR
Embodiments include a real time etch rate sensor and methods of for using a real time etch rate sensor. In an embodiment, the real time etch rate sensor includes a resonant system and a conductive housing. The resonant system may include a resonating body, a first electrode formed over a first surface of the resonating body, a second electrode formed over a second surface of the resonating body, and a sacrificial layer formed over the first electrode. In an embodiment, at least a portion of the first electrode is not covered by the sacrificial layer. In an embodiment, the conductive housing may secure the resonant system. Additionally, the conductive housing contacts the first electrode, and at least a portion of an interior edge of the conductive housing may be spaced away from the sacrificial layer.
SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD
A substrate processing apparatus includes: a plurality of unit blocks, each having a plurality of modules for processing substrates and a substrate transfer path; a plurality of main transfer mechanisms, each being provided on the substrate transfer path, and configured to transfer the substrates among the plurality of modules; a loading and unloading transfer mechanism configured to load and unload the substrates with respect to each of the unit blocks; a memory configured to store substrate transfer history for each of the unit blocks; and a setting part configured to update a cycle time, which is a time required for a corresponding one of the main transfer mechanisms to move around the substrate transfer path once, of each of the unit blocks based on the substrate transfer history, and configured to set a transfer schedule of the substrates in each of the unit blocks based on the updated cycle time.
PROCESS KIT ENCLOSURE SYSTEM
A process kit enclosure system includes surfaces to enclose an interior volume, a first support structure including first fins, a second support structure including second fins, and a front interface to interface the process kit enclosure system with a load port of a wafer processing system. The first and second fins are sized and spaced to hold process kit ring carriers and process kit rings in the interior volume. Each of the process kit rings is secured to one of the process kit ring carriers. The process kit enclosure system enables first automated transfer of a first process kit ring carrier securing a first process kit ring from the process kit enclosure system into the wafer processing system and second automated transfer of a second process kit ring carrier securing a second process kit ring from the wafer processing system into the process kit enclosure system.
PROCESSING CHAMBER FOR THERMAL PROCESSES
Embodiments of the disclosure include methods and apparatus for a thermal chamber with a low thermal mass. In one embodiment, a chamber is disclosed that includes a body, a susceptor positioned within the body, a first set of heating devices positioned in an upper portion of the body above the susceptor and a second set of heating devices positioned in a lower portion of the body below the susceptor, wherein each of the first set of heating devices have a heating element having a longitudinal axis extending in a first direction, and each of the second set of heating devices have a heating element having a longitudinal axis extending in a second direction that is orthogonal to the first direction, and wherein each of the heating elements have ends that are exposed to ambient environment.
DEVICE MAINTENANCE IN SEMICONDUCTOR MANUFACTURING ENVIRONMENT
A system for maintaining a device in a semiconductor manufacturing environment that includes a controller configured to determine a distance travelled by the device within the semiconductor manufacturing environment, where the device has a feature that selectively engages a carrier configured to carry a semiconductor wafer such that the device moves the semiconductor wafer to different processing stations within the semiconductor manufacturing environment. The system also includes an inspection component configured to inspect the device responsive to the distance traveled by the device exceeding a distance threshold, a repair component configured to repair the device responsive to a repair indication from at least one of the controller or the inspection component, and a cleaning component configured to clean the device responsive to a clean indication from at least one of the controller or the inspection component.
Wafer producing apparatus
A wafer producing apparatus includes an ingot grinding unit that grinds the upper surface of an ingot to planarize the upper surface, a laser irradiation unit that positions the focal point of a laser beam with such a wavelength as to be transmitted through the ingot to a depth corresponding to the thickness of a wafer to be produced from the upper surface of the ingot and irradiates the ingot with the laser beam to form a separation layer, a wafer separating unit that separates the wafer from the ingot, and a tray having a support part that supports the separated wafer.
ADAPTIVE CHAMBER MATCHING IN ADVANCED SEMICONDUCTOR PROCESS CONTROL
Systems and methods for controlling device performance variability during manufacturing of a device on wafers are disclosed. The system includes a process platform, on-board metrology (OBM) tools, and a first server that stores a machine-learning based process control model. The first server combines virtual metrology (VM) data and OBM data to predict a spatial distribution of one or more dimensions of interest on a wafer. The system further comprises an in-line metrology tool, such as SEM, to measure the one or more dimensions of interest on a subset of wafers sampled from each lot. A second server having a machine-learning engine receives from the first server the predicted spatial distribution of the one or more dimensions of interest based on VM and OBM, and also receives SEM metrology data, and updates the process control model periodically (e.g., to account for chamber-to-chamber variability) using machine learning techniques.
SUBSTRATE PROCESSING SYSTEM AND SUBSTRATE TRANSFER APPARATUS AND METHOD
A substrate processing system includes a first substrate processing chamber, a first substrate transfer chamber connected to the first substrate processing chamber, a second substrate processing chamber, and a second substrate transfer chamber connected to the second substrate processing chamber. The substrate processing system further includes a buffer chamber connected between the first substrate transfer chamber and the second substrate transfer chamber, the buffer chamber having at least one substrate holder. At least a part of the buffer chamber and at least one of the first substrate transfer chamber or the second substrate transfer chamber are vertically overlapped with each other.
FILM-FORMING DEVICE
A film-forming device which includes a chamber having a horizontal central axis, capable of maintaining a vacuum, and movable along the horizontal central axis, the chamber including an inner chamber and an outer chamber that houses the inner chamber; a workpiece holder that aligns and holds workpieces to be processed in multiple stages in the inner chamber; and a heater that heats an inside of the chamber.