An object is to provide a semiconductor device of which a manufacturing process is not complicated and by which cost can be suppressed, by forming a thin film transistor using an oxide semiconductor film typified by zinc oxide, and a manufacturing method thereof. For the semiconductor device, a gate electrode is formed over a substrate; a gate insulating film is formed covering the gate electrode; an oxide semiconductor film is formed over the gate insulating film; and a first conductive film and a second conductive film are formed over the oxide semiconductor film. The oxide semiconductor film has at least a crystallized region in a channel region.

Semiconductor device, and manufacturing method thereof

Embodiments related to managing the process feed conditions for a semiconductor process module are provided. In one example, a gas channel plate for a semiconductor process module is provided. The example gas channel plate includes a heat exchange surface including a plurality of heat exchange structures separated from one another by intervening gaps. The example gas channel plate also includes a heat exchange fluid director plate support surface for supporting a heat exchange fluid director plate above the plurality of heat exchange structures so that at least a portion of the plurality of heat exchange structures are spaced from the heat exchange fluid director plate.

Process feed management for semiconductor substrate processing

Substrate processing systems are described that have a capacitively coupled plasma (CCP) unit positioned inside a process chamber. The CCP unit may include a plasma excitation region formed between a first electrode and a second electrode. The first electrode may include a first plurality of openings to permit a first gas to enter the plasma excitation region, and the second electrode may include a second plurality of openings to permit an activated gas to exit the plasma excitation region. The system may further include a gas inlet for supplying the first gas to the first electrode of the CCP unit, and a pedestal that is operable to support a substrate. The pedestal is positioned below a gas reaction region into which the activated gas travels from the CCP unit.

Semiconductor processing system and methods using capacitively coupled plasma

An exemplary system may include a chamber configured to contain a semiconductor substrate in a processing region of the chamber. The system may include a first remote plasma unit fluidly coupled with a first access of the chamber and configured to deliver a first precursor into the chamber through the first access. The system may still further include a second remote plasma unit fluidly coupled with a second access of the chamber and configured to deliver a second precursor into the chamber through the second access. The first and second access may be fluidly coupled with a mixing region of the chamber that is separate from and fluidly coupled with the processing region of the chamber. The mixing region may be configured to allow the first and second precursors to interact with each other externally from the processing region of the chamber.

Semiconductor processing systems having multiple plasma configurations

A method of forming an insulation film by alternating multiple times, respectively, a process of adsorbing a precursor onto a substrate and a process of treating the adsorbed surface using reactant gas and a plasma, wherein a plasma is applied in the process of supplying the precursor.

Method of forming insulation film by modified PEALD

Embodiments of the present invention generally provide apparatus and methods for altering the flow and pressure differential of process gases supplied across a showerhead of a processing chamber to provide improved deposition uniformity across the surface of a substrate disposed therein. In one embodiment, a blocker plate is disposed between a backing plate and a showerhead. In one embodiment, the distance between the blocker plate and the showerhead is adjustable. In another embodiment, the blocker plate has a non-planar surface contour. In another embodiment, a regional blocker plate is disposed between a backing plate and a showerhead. In another embodiment, a central blocker plate and a peripheral blocker plate are disposed between a backing plate and a showerhead.

Gas distribution blocker apparatus

An apparatus and methods for depositing amorphous and microcrystalline silicon films during the formation of solar cells are provided. In one embodiment, a method and apparatus is provided for generating and introducing hydrogen radicals directly into a processing region of a processing chamber for reaction with a silicon-containing precursor for film deposition on a substrate. In one embodiment, the hydrogen radicals are generated by a remote plasma source and directly introduced into the processing region via a line of sight path to minimize the loss of energy by the hydrogen radicals prior to reaching the processing region.

Method and apparatus for remote plasma source assisted silicon-containing film deposition

Methods for forming and treating a silicon containing layer in a thin film transistor structure or solar cell devices are provided. In one embodiment, a method for forming a silicon containing layer on a substrate includes providing a substrate into a processing chamber, providing a gas mixture having a silicon containing gas into the processing chamber, providing a hydrogen containing gas from a remote plasma source coupled to the processing chamber, applying a RF power less than 17.5 mWatt/cm 2 to the processing chamber, and forming a silicon containing layer on the substrate.

Remote hydrogen plasma source of silicon containing film deposition

A method for fabricating a semiconductor layer within a plasma enhanced chemical vapor deposition (PECVD) apparatus. The PECVD apparatus includes a plurality of walls defining a processing region, a substrate support, a shadow frame, a gas distribution showerhead, a gas source in fluid communication with the gas distribution showerhead and the processing region, a radio frequency power source coupled to the gas distribution showerhead, and one or more VHF grounding straps electrically coupled to at least one of the plurality of walls. The VHF grounding straps provide a low-impedance current path between at least one of the plurality of walls and at least one of a shadow frame or the substrate support. The method further includes delivering a semiconductor precursor gas and a dopant precursor gas and delivering a very high frequency (VHF) power to generate a plasma to form a first layer on the one or more substrates.

Method and apparatus for fabricating silicon heterojunction solar cells

Embodiments of the present invention generally provide apparatus and methods for altering the contour of a gas distribution plate within a process chamber without breaking vacuum conditions within the chamber. In one embodiment, a central support device adjusted to vary the height of a central region of a gas distribution plate with respect to the periphery of the gas distribution plate. In another embodiment, a plurality of central support devices is adjusted to vary the height of a central region of a gas distribution plate with respect to the periphery of the plate. In yet another embodiment, a plurality of central support devices and a plurality of mid-range support devices are adjusted to vary the height of certain regions of the gas distribution plate with respect to other regions of the gas distribution plate. In one embodiment, the contour of the gas distribution plate is altered based on changes detected within the process chamber.

Adjustable gas distribution apparatus

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