H05B1/0233

Multi-zone heater model-based control in semiconductor manufacturing

A plurality of heating zones in a substrate support assembly in a chamber is independently controlled. Temperature feedback from a plurality of temperature detectors is provided as a first input to a process control algorithm, which may be a closed-loop algorithm. A second input to the process control algorithm is targeted values of heater temperature for one or more heating zones, as calculated using a model. Targeted values of heater power needed for achieving the targeted values of heater temperature for the one or more heating zones is calculated. Chamber hardware is controlled to match the targeted value of heater temperature that is correlated with the wafer characteristics corresponding to the current optimum values of the one or more process parameters.

APPARATUS AND METHOD FOR CONTROLLING TEMPERATURE UNIFORMITY OF SUBSTRATE

An apparatus for controlling temperature uniformity of the disclosure includes a heater to supply a heat source to a substrate, a temperature sensor to generate temperature data of the substrate, a heating controller to present a distribution of a heat source based on the temperature data, and a heat source-electricity converter to calculate an amount of electricity to generate a heat source based on the distribution of a heat source and to supply the calculated amount of electricity to the heater. Since a method and an apparatus of the disclosure for controlling temperature uniformity uses a heat source and electricity having a linear relationship, problems of high costs and deterioration of an apparatus may be overcome that a typical method has to control an amount of electricity in a heater by temperature information.

SEMICONDUCTOR MANUFACTURING APPARATUS AND TEMPERATURE CONTROL METHOD
20220390288 · 2022-12-08 ·

A semiconductor manufacturing apparatus includes: a gas introduction pipe connected to a processing container of the semiconductor manufacturing apparatus in order to introduce a gas into the processing container; and a temperature sensor provided in the gas introduction pipe in order to measure a temperature of a gas in the gas introduction pipe.

OPTICAL HEATING DEVICE
20220386417 · 2022-12-01 · ·

An optical heating device includes: a chamber that accommodates a workpiece; a supporter that supports the workpiece in the chamber; a plurality of solid-state light sources emitting heating light toward a main surface of the workpiece; a plurality of reference light sources that emit reference light toward the main surface of the workpiece when power of the same power value is supplied to each of the reference light sources; a plurality of photodetectors that corresponds to the respective reference light sources, and that output signals in response to the intensity of the reference light that has been received; and a controller that executes a reference mode and a heating mode, the reference light sources and the corresponding photodetectors are arranged to face each other through the workpiece, and the photodetectors are configured to receive the reference light emitted from the reference light sources and transmitted through the workpiece.

Graded dimple height pattern on heater for lower backside damage and low chucking voltage

Embodiments disclosed herein may include a heater pedestal. In an embodiment, the heater pedestal may comprise a heater pedestal body and a conductive mesh embedded in the heater pedestal. In an embodiment, the conductive mesh is electrically coupled to a voltage source In an embodiment, the heater pedestal may further comprise a support surface on the heater pedestal body. In an embodiment, the support surface comprises a plurality of pillars extending out from the heater pedestal body and arranged in concentric rings. In an embodiment pillars in an outermost concentric ring have a height that is greater than a height of pillars in an innermost concentric ring.

Light irradiation type heat treatment method and heat treatment apparatus that calculates a temperature of a substrate based on a treatment recipe applicable thereto

A carrier containing a plurality of semiconductor wafers in a lot is transported into a heat treatment apparatus. Thereafter, a recipe specifying treatment procedures and treatment conditions is set for each of the semiconductor wafers. Next, a reflectance of each of the semiconductor wafers stored in the carrier is measured. Based on the set recipe and the measured reflectance of each semiconductor wafer, a predicted attainable temperature of each semiconductor wafer at the time of flash heating treatment is calculated, and the calculated predicted attainable temperature is displayed. This allows the setting of the treatment conditions with reference to the displayed predicted attainable temperature, to thereby easily achieve the setting of the heat treatment conditions.

Holding device
11508600 · 2022-11-22 · ·

A holding device includes: a plate-shaped member having a first surface approximately orthogonal to a first direction; heat generating resistors and temperature measuring resistors disposed in respective segments formed by virtually dividing at least part of the plate-shaped member, the segments being arranged in a direction orthogonal to the first direction; and an electricity supply section that forms electricity supply paths for the heat generating resistors and the temperature measuring resistors. The holding device holds an object on the first surface of the plate-shaped member. The position of the temperature measuring resistors in the first direction differs from the position of the heat generating resistors in the first direction. A specific temperature measuring resistor that is at least one of the temperature measuring resistors includes a plurality of resistor elements disposed at different positions in the first direction and connected to one another in series.

Substrate processing apparatus

A substrate processing apparatus includes a rotary table configured to hold and rotate a substrate; an electronic component provided at the rotary table and configured to be rotated along with the rotary table; a first electrode unit provided at the rotary table and configured to be rotated along with the rotary table, the first electrode unit comprising multiple first electrodes electrically connected to the electronic component via multiple first conductive lines; an electric device configured to perform a power supply to the electronic component and a transmission/reception of signals; a second electrode unit comprising multiple second electrodes electrically connected to the electric device via multiple second conductive lines and arranged at positions respectively corresponding to the multiple first electrodes to be brought into contact with the multiple first electrodes; and an electrode moving device configured to connect/disconnect the first electrode unit to/from the second electrode unit.

MULTIPLE ZONE HEATER

A multi-zone heater with a plurality of thermocouples such that different heater zones can be monitored for temperature independently. The independent thermocouples may have their leads routed out from the shaft of the heater in a channel that is closed with a joining process that results in hermetic seal adapted to withstand both the interior atmosphere of the shaft and the process chemicals in the process chamber. The thermocouple and its leads may be enclosed with a joining process in which a channel cover is brazed to the heater plate with aluminum.

OVEN CONTROLLED MEMS OSCILLATOR WITH MULTIPLE TEMPERATURE CONTROL LOOPS

In an example, a system includes a BAW resonator. The system also includes a first heater configured to heat the BAW resonator, where the first heater is controlled by a first control loop. The system includes a circuit coupled to the BAW resonator. The system also includes a second heater configured to heat the circuit, where the second heater is controlled by a second control loop.