H01J37/32724

High power electrostatic chuck design with radio frequency coupling

An electrostatic chuck is described that has radio frequency coupling suitable for use in high power plasma environments. In some examples, the chuck includes a base plate, a top plate, a first electrode in the top plate proximate the top surface of the top plate to electrostatically grip a workpiece, and a second electrode in the top plate spaced apart from the first electrode, the first and second electrodes being coupled to a power supply to electrostatically charge the first electrode.

Plasma processing apparatus and plasma processing method

In order to implement a plasma etching method for improving a tapered shape, a plasma processing apparatus includes: a processing chamber in which a sample is subjected to plasma processing; a first radio frequency power source that supplies radio frequency power for generating a plasma; a sample stage on which the sample is placed; a second radio frequency power source that supplies radio frequency power to the sample stage; and a control unit that controls the first radio frequency power source and the second radio frequency power source so as to etch a stacked film formed by alternately stacking a silicon oxide film and a polycrystalline silicon, or a stacked film formed by alternately stacking a silicon oxide film and a silicon nitride film, by using a plasma generated by a mixed gas of a hydrogen bromide gas, a hydrofluorocarbon gas and a nitrogen element-containing gas.

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.

SUBSTRATE PROCESSING DEVICE HAVING HEAT HOLE

A substrate processing device according to an embodiment of the present invention includes a disk part disposed in a chamber in which a heating means is provided, and a pocket part installed on one surface of the disk part and on which a substrate is seated. A heat hole through which heat generated by the heating means passes may be formed on an installation surface of the disk part on which the pocket part is installed, or a gear hole through which the heat of the heating means passes may be formed in a pocket gear facing the disk part.

FOCUS RING PLACEMENT TABLE
20220399190 · 2022-12-15 · ·

A focus ring placement table includes an annular ceramic heater on which a focus ring is placed, a metal base, an adhesive element bonding the metal base and the ceramic heater, an inner-peripheral-side protective element disposed between the metal base and the ceramic heater and bonded to an inner peripheral portion of the adhesive element, and an outer-peripheral-side protective element disposed between the metal base and the ceramic heater and bonded to an outer peripheral portion of the adhesive element. A coefficient of thermal expansion of the adhesive element is equal to or smaller than a coefficient of thermal expansion of the inner-peripheral-side protective element and is equal to or greater than a coefficient of thermal expansion of the outer-peripheral-side protective element.

PLASMA UNIFORMITY CONTROL IN PULSED DC PLASMA CHAMBER
20220399193 · 2022-12-15 ·

Embodiments provided herein generally include apparatus, e.g., plasma processing systems and methods for the plasma processing of a substrate in a processing chamber. In some embodiments, aspects of the apparatus and methods are directed to improving process uniformity across the surface of the substrate, reducing defectivity on the surface of the substrate, or both. In some embodiments, the apparatus and methods provide for improved control over the uniformity of a plasma formed over the edge of a substrate and/or the distribution of ion energies at the surface of the substrate. The improved control over the plasma uniformity may be used in combination with substrate handling methods, e.g., de-chucking methods, to reduce particulate-related defectivity on the surface of the substrate. In some embodiments, the improved control over the plasma uniformity is used to preferentially clean accumulated processing byproducts from portions of the edge ring during an in-situ plasma chamber cleaning process.

SEMICONDUCTOR MANUFACTURING APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
20220399222 · 2022-12-15 · ·

A semiconductor device manufacturing apparatus according to an embodiment includes: a chamber; a holder provided in the chamber and capable of adsorbing a substrate, the holder including a recess on a surface, a first hole provided in the recess, and a second hole provided in the recess; a first gas passage connected to the first hole; a second gas passage connected to the second hole; a first valve provided in the first gas passage; a second valve provided in the second gas passage; a first gas supply pipe for supplying a first gas to the recess; and a gas discharge pipe for discharging a gas from the recess. The first gas passage and the second gas passage are connected to the first gas supply pipe, or the first gas passage and the second gas passage are connected to the gas discharge pipe.

METHOD OF FORMING CRYSTALLINE LAYER, METHOD OF FORMING A BATTERY HALF CELL
20220393142 · 2022-12-08 · ·

A method of forming a crystalline cathode layer of a solid-state battery on a substrate, the method including generating a plasma remote from one or more sputter targets for forming the cathode layer, generating sputtered material from the target or targets using the plasma, and depositing the sputtered material on the substrate, thereby forming the crystalline cathode layer.

AUTOMATED TEMPERATURE CONTROLLED SUBSTRATE SUPPORT
20220389566 · 2022-12-08 ·

Methods and apparatus for processing a substrate are provided herein. For example, a cooling apparatus for use with a substrate support of a processing chamber comprises a heat exchanger, a manifold assembly comprising a first input configured to connect to an output of the heat exchanger, a second input configured to connect to a first coolant supply configured to supply a first coolant, a first output configured to connect to the substrate support of the processing chamber, and a second output configured to connect to an input of the heat exchanger, a gas input configured to connect to a second coolant supply that is configured to supply a second coolant that is different from the first coolant to the substrate support, a first three-way valve connected between the first output of the manifold assembly and the substrate support and connected between the gas input and the substrate support, and a controller configured to control supplying one of the first coolant or the second coolant during operation.

Electrostatic chuck sidewall gas curtain

The present disclosure describes an apparatus. The apparatus includes a chuck for placing an object thereon, a gas passage extending along a periphery of an outer sidewall of the chuck and separating the chuck into an inner portion and a sidewall portion, and a plurality of gas holes through the sidewall portion and configured to connect a gas external to the chuck to the gas passage.