H01L21/67253

DAMAGE PREVENTION DURING WAFER EDGE TRIMMING

In some embodiments, the present disclosure relates to a wafer edge trimming apparatus that includes a processing chamber defined by chamber housing. Within the processing chamber is a wafer chuck configured to hold onto a wafer structure. Further, a blade is arranged near an edge of the wafer chuck and configured to remove an edge potion of the wafer structure and to define a new sidewall of the wafer structure. A laser sensor apparatus is configured to direct a laser beam directed toward a top surface of the wafer chuck. The laser sensor apparatus is configured to measure a parameter of an analysis area of the wafer structure. Control circuitry is to the laser sensor apparatus and the blade. The control circuitry is configured to start a damage prevention process when the parameter deviates from a predetermined threshold value by at least a predetermined shift value.

Gas Control in Semiconductor Processing

The present disclosure describes a method for controlling gas supplies and an example system for performing the method. The method includes providing a first setting to configure a gas supply device to supply a first gas mixture to a substrate carrier holding a first substrate. The method further includes receiving critical dimension (CD) data measured on the first substrate after the first substrate completes a process operation. The method further includes, in response to the CD data being outside a predetermined range, providing a second setting to configure the gas supply device to supply a second gas mixture to the substrate carrier holding a second substrate that has yet to undergo the process operation.

METHOD FOR FABRICATING METAL-OXIDE-METAL CAPACITOR
20220367609 · 2022-11-17 ·

A method for fabricating a MOMCAP includes steps as follows: An Nth metal layer is formed on a substrate according to an Nth expected capacitance value of the Nth metal layer. An Nth capacitance error value between an Nth actual capacitance value of the Nth metal layer and the Nth expected capacitance value is calculated. An N+1th expected capacitance value of an N+1th metal layer is adjusted to form an N+1th actual capacitance value according to the Nth capacitance error value, and the N+1th metal layer with an N+1th actual capacitance value is formed on the Nth metal layer according to the adjusted N+1th expected capacitance value, to make the sum of the Nth actual capacitance value and the N+1th actual capacitance value equal to the sum of the Nth expected capacitance value and the N+1th expected capacitance value. N is an integer greater than 1.

SUBSTRATE TREATING APPARATUS AND SUBSTRATE TRANSFER ROBOT

The present invention provides a substrate treating apparatus. The substrate treating apparatus includes: a liquid treatment chamber configured to treat a substrate with a liquid; a drying chamber configured to dry the liquid-treated substrate; a transfer robot configured to transfer the substrate between the liquid treatment chamber and the drying chamber, and including a hand which is movable along an X-axis, a Y-axis, and a Z-axis and is rotatably driven based on the Z-axis, and on which the substrate is placed; an optical system configured to photograph a form of a liquid film of the substrate, in which when the substrate is transferred from the liquid treatment chamber to the drying chamber, the substrate is wetted with a chemical liquid and is transferred by the transfer robot in a state of being formed with a liquid film formed; and a controller configured to measure the form of the liquid film photographed by the optical system.

METHOD AND APPARATUS FOR COATING PHOTORESIST OVER A SUBSTRATE
20220365435 · 2022-11-17 ·

A method for manufacturing a semiconductor device includes obtaining a first image of a fluid dispense nozzle using a first camera, the fluid dispense nozzle configured to dispense fluid on a semiconductor substrate, obtaining a second image of the fluid dispense nozzle using a second camera, the second image having a higher resolution than the first image, determining a width of the fluid dispense nozzle at multiple intervals along the fluid dispense nozzle and a width of a spray pattern of a fluid being dispensed from the fluid dispense nozzle at multiple intervals along the spray pattern, fitting a first straight line to a series of data points representing a plurality of widths of the intervals along the fluid dispense nozzle and a plurality of widths of the intervals along the spray pattern, determining a first slope of the first straight line, and determining a condition of the spray pattern and the fluid dispense nozzle based on the first slope.

Method for calibrating plurality of chamber pressure sensors and substrate processing system

In a substrate processing system according to an exemplary embodiment, gas supply units are configured to supply gases to chambers through first gas flow channels thereof, respectively. Chamber pressure sensors are configured to measure pressures in the chambers. A second gas flow channel is connected to the first gas flow channel of each of the gas supply units. A reference pressure sensor is configured to measure a pressure in the second gas flow channel. In a method according to an exemplary embodiment, each of the chamber pressure sensors is calibrated by using a measurement value thereof and a measurement value of the reference pressure sensor which are obtained in a state where pressures in a corresponding chamber, the first gas flow channel of a corresponding gas supply unit, and the second gas flow channel are maintained.

Systems And Methods For Real-Time Pulse Measurement And Pulse Timing Adjustment To Control Plasma Process Performance
20220367149 · 2022-11-17 ·

Various embodiments of systems and methods are described herein for controlling a pulsed plasma. Pulse timing parameters (e.g., the pulse on-time and/or the pulse-off time) of the plasma generation source may be controlled based on the measurement data received from measurement device(s), to control the plasma exposure of the substrate during a sequence of dynamically controlled pulses within the plasma process chamber. In addition or alternatively, pulse timing parameters (e.g., the pulse on-time and/or the pulse-off time) can be applied to the source power, bias power, and/or both based on the measurement data received from measurement device(s), to control a plasma exposure of the substrate. The pulse timing changes may be made in a feedforward or feedback manner.

Substrate processing apparatus and substrate processing method

A substrate processing apparatus includes: a rotary holder configured to hold and rotate a substrate; a liquid supplier including a nozzle that ejects a processing liquid; a driver configured to move the nozzle between a center of the substrate and a peripheral portion of the substrate; and a controller configured to: execute a supply control to supply the processing liquid to the surface of the substrate so as to form a supply trajectory in a spiral shape, by ejecting the processing liquid from the nozzle while rotating the substrate and moving the nozzle from the center of the substrate toward the peripheral portion of the substrate; and when executing the supply control, gradually reduce an ejection amount of the processing liquid per unit area on the surface of the substrate, at least in a portion forming an outermost periphery of the supply trajectory.

SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS
20220367203 · 2022-11-17 ·

A substrate processing method is a method of performing an etching process on a substrate with an etching solution in a processing tank. The substrate includes silicon oxide films and silicon nitride films stacked alternately. The etching solution contains phosphoric acid. The substrate processing method includes immersing the substrate in the etching solution, and replenishing the etching solution in the processing tank with phosphoric acid during the etching process on the substrate to cause a silicon concentration in the etching solution to vary.

APPARATUS FOR TREATING SUBSTRATE

The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having an inner space therein; a fluid supply unit having a supply line configured to supply a treating fluid to the inner space and a fluid supply source configured to supply the treating fluid to the supply line; a first exhaust unit configured to exhaust the inner space; a second exhaust unit configured to exhaust the supply line; and a controller configured to control the fluid supply unit, the first exhaust unit, and the second exhaust unit, and wherein the controller controls the fluid supply unit and the second exhaust unit so a pressure of the supply line is maintained at a critical pressure of the treating fluid or above during at least a part of a standby step for keeping a substrate outside the inner space before introducing thereof into the inner space.