Patent classifications
H01L21/68714
METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER WITH WAFER CHUCK HAVING FLUID GUIDING STRUCTURE
A method includes loading a wafer over a wafer chuck in a process chamber; performing a deposition process on the loaded wafer; supplying a fluid medium to a fluid guiding structure in the wafer chuck from a fluid inlet port on the wafer chuck, the fluid guiding structure comprising a plurality of arc-shaped channels fluidly communicated with each other; guiding the fluid medium from a first one of the arc-shaped channels of the fluid guiding structure to a second one of the arc-shaped channels of the fluid guiding structure. The second one of the arc-shaped channels of the fluid guiding structure is concentric with the first one of the arc-shaped channels of the fluid guiding structure from a top view.
SUBSTRATE PROCESSING APPARATUS
It is an object of the present invention to provide a high-flatness substrate holding table. According to a first aspect, a substrate processing apparatus is provided, and such a substrate processing apparatus includes a table for holding a substrate, a resin film attached to a top surface of the table and a heater provided inside the table, and the top surface of the table is formed of ceramics, the top surface of the table includes an opening connectable to a vacuum source, the resin film is formed of polyimide, and a through hole is formed at a position corresponding to the opening of the table when attached to the top surface of the table.
METHOD AND DEVICE FOR DEPOSITING AN EPITAXIAL LAYER ON A SUBSTRATE WAFER MADE OF SEMICONDUCTOR MATERIAL
A method and an apparatus for depositing an epitaxial layer on a substrate wafer made of semiconductor material. The method comprises the arrangement of the substrate wafer and a susceptor in a deposition device such that the substrate wafer rests on the susceptor and the susceptor is held by arms of a support shaft; monitoring whether a misalignment of the susceptor exists with respect to its position relative to the position of a pre-heating ring surrounding it; monitoring whether a misalignment of the support shaft exists with respect to its position relative to the position of the pre-heating ring; if at least one of the misalignments is present, elimination of the respective misalignment; and the deposition of the epitaxial layer on the substrate wafer.
Method and apparatus for controlling spatial temperature distribution
A chuck for a plasma processor comprises a temperature-controlled base, a thermal insulator, a flat support, and a heater. The temperature-controlled base is controlled in operation a temperature below the desired temperature of a workpiece. The thermal insulator is disposed over at least a portion of the temperature-controlled base. The flat support holds a workpiece and is disposed over the thermal insulator. A heater is embedded within the flat support and/or mounted to an underside of the flat support. The heater includes a plurality of heating elements that heat a plurality of corresponding heating zones. The power supplied and/or temperature of each heating element is controlled independently. The heater and flat support have a combined temperature rate change of at least 1° C. per second.
LASER PROCESSING APPARATUS
A laser oscillator of a laser processing apparatus generates burst pulses each composed of a plurality of sub-pulses. The plurality of sub-pulses are generated in such a manner that the energy of the sub-pulse sequentially changes from a lower energy to a higher energy, and the burst pulses are applied to a wafer, whereby the wafer is formed therein with shield tunnels extending from the front surface to the back surface of the wafer and each being composed of a minute hole and an amorphous phase surrounding the minute hole.
MOUNTING TABLE SYSTEM, SUBSTRATE PROCESSING APPARATUS, AND TEMPERATURE CONTROL METHOD
There is provided a mounting table system which includes: a mounting table rotatably installed so as to mount a substrate thereon; a plurality of heating parts installed in the mounting table, and configured to heat the mounting table; a single power source configured to supply an electric power to the plurality of heating parts; and a power switching part configured to switch from a first heating part among the plurality of heating parts to which the electric power is supplied from the single power source, to a second heating part among the plurality of heating parts, depending on a rotational angle of the mounting table.
SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS
A substrate processing method includes forming a liquid film of an alkaline processing liquid on a substrate by supplying the alkaline processing liquid having a reduced oxygen concentration onto the substrate; and etching the substrate by rotating the substrate while supplying the alkaline processing liquid in a state that the liquid film having a given thickness is formed on the substrate.
METHOD FOR SELECTIVE DEPOSITION OF SILICON NITRIDE LAYER AND STRUCTURE INCLUDING SELECTIVELY-DEPOSITED SILICON NITRIDE LAYER
A method for selectively depositing silicon nitride on a first material relative to a second material is disclosed. An exemplary method includes treating the first material, and then selectively depositing a layer comprising silicon nitride on the second material relative to the first material. Exemplary methods can further include treating the deposited silicon nitride.
OBJECT TABLE, LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
An object table has a lifting mechanism to displace an object from a support surface. The lifting mechanism includes one or more elongated rods extending in a direction substantially perpendicular to the support surface to support the object at a distance from the support surface, the one or more elongated rods being displaceable between positions below the support surface and protruding from the support surface. The mechanism further includes a locking mechanism configured to limit a rotation about a longitudinal axis of the one or more elongated rods. The locking mechanism includes an elastic element that is mechanically connected to both a housing of the lifting mechanism and the one or more elongated rods, the elastic element configured to have a comparatively low stiffness in the support direction and a comparatively high stiffness in a rotational direction about the longitudinal axis.
APPARATUS FOR PLASMA TREATMENT AND METHOD OF OPERATING THE APPARATUS
Some embodiments of the present disclosure, provide a semiconductor manufacturing apparatus. The semiconductor manufacturing apparatus includes a chamber, a support and a liner. The chamber is configured for plasma processes and includes a chamber wall. The support is configured to hold a wafer in the chamber. The liner is configured to surround the support and includes a top side and a bottom side. The top side is detachably hung on the chamber wait. The bottom side includes gas passages for plasma particles to pass through the liner.