摘要:
Reactors having gas distributors for depositing materials onto micro-device workpieces, systems that include such reactors, and methods for depositing materials onto micro-device workpieces are disclosed herein. In one embodiment, a reactor for depositing materials onto a micro-device workpiece includes a reaction chamber, a passageway, and a door assembly. The reaction chamber includes a gas distributor configured to provide a flow of gas(es) to a micro-device workpiece on a workpiece holder. The passageway, which has a first end open to the reaction chamber and a second end apart from the reaction chamber, is configured to provide ingression to and egression from the chamber for processing the micro-device workpiece. The door assembly is configured to open and sealably close a door at the second end of the passageway. A gas conditioning system positioned in the door is configured to maintain a desired concentration and phase of gas constituents in the passageway.
摘要:
Methods for depositing materials onto micro-device workpieces in a reaction chamber. One embodiment of such a method comprises providing a flow of a first precursor through the reaction chamber to deposit the first precursor onto the micro-device workpiece in the reaction chamber, and providing a flow of a purge gas through the reaction chamber to purge excess amounts of the first precursor. The method continues by monitoring a parameter correlated to a quantity of the first precursor and/or the purge gas in the reaction chamber as the first precursor and/or the purge gas flows through the reaction chamber. An additional aspect of this method is terminating the flow of the first precursor and/or the flow of the purge gas based on the monitored parameter of the quantity of the first precursor and/or the purge gas. The procedure of monitoring a parameter correlated to a quantity of the first precursor and/or the purge gas can comprise determining a concentration of the first precursor and/or the purge gas in the reaction chamber using a selected radiation.
摘要:
Reactors for vapor deposition of materials onto a microelectronic workpiece, systems that include such reactors, and methods for depositing materials onto microelectronic workpieces. In one embodiment, a reactor for vapor deposition of a material comprises a reaction chamber and a gas distributor. The reaction chamber can include an inlet and an outlet. The gas distributor is positioned in the reaction chamber. The gas distributor has a compartment coupled to the inlet to receive a gas flow and a distributor plate including a first surface facing the compartment, a second surface facing the reaction chamber, and a plurality of passageways. The passageways extend through the distributor plate from the first surface to the second surface. Additionally, at least one of the passageways has at least a partially occluded flow path through the plate. For example, the occluded passageway can be canted at an oblique angle relative to the first surface of the distributor plate so that gas flowing through the canted passageway changes direction as it passes through the distributor plate.
摘要:
A method and apparatus for delivering precursors to a chemical vapor deposition or atomic layer deposition chamber is provided. The apparatus includes a temperature-controlled vessel containing a precursor. An energy source is used to vaporize the precursor at its surface such that substantially no thermal decomposition of the remaining precursor occurs. The energy source may include a carrier gas, a radio frequency coupling device, or an infrared irradiation source. After the precursor is exposed to the energy source, the vaporized portion of the precursor is transported via a temperature-controlled conduit to a chemical vapor deposition or atomic deposition chamber for further processing.
摘要:
The invention includes a plasma enhanced chemical vapor deposition reactor, and a plasma enhanced chemical vapor deposition process. In one implementation, a plasma enhanced chemical vapor deposition reactor includes a deposition chamber having an electrically conductive RF powered showerhead support electrode. An electrically conductive gas distributing showerhead is mounted to the RF powered showerhead support electrode. A preformed electrically conductive gasket is interposed between the RF powered showerhead support electrode and the gas distributing showerhead. In one implementation, a plasma enhanced chemical vapor deposition process sequentially includes, a) in a first plurality of discrete depositions, plasma enhanced chemical vapor depositing, material upon a plurality of semiconductor substrates within a chamber of a plasma enhanced chemical vapor deposition reactor; b) disassembling the reactor at least by separating an electrically conductive RF powered showerhead support electrode of the reactor and an electrically conductive gas distributing showerhead of the reactor from one another; c) sandwiching an electrically conductive material between the electrically conductive RF powered showerhead support electrode and the electrically conductive gas distributing showerhead during a reassembly of the reactor at least including connecting the electrically conductive RF powered showerhead support electrode and an electrically conductive gas distributing. showerhead together; and d) in a second plurality of discrete depositions, plasma enhanced chemical vapor depositing material upon a plurality of semiconductor substrates within the chamber of the plasma enhanced chemical vapor deposition reactor.
摘要:
A base structure for use with a flat panel field emission display device. A spacer layer is provided in the base assembly to generally planarize the base assembly prior to mechanical planarization. As a result, the base assembly is more reliable and permits improved manufacturing yields. In addition to improving planarity of the base assembly, the spacer layer may increase electrical isolation between the base electrodes and the grid electrodes of the field emission display.
摘要:
A method of making metal articles as well as sputtering targets is described, which involves deforming an ingot to preferred dimensions. In addition, products made by the process of the present invention are further described.
摘要:
A method for removing impurities (e.g., atomic sulfur) from a reticle for use in photolithography is provided. In one embodiment, a reticle (or photomask) comprising a plate, a first layer over the plate, and a photoresist layer over the first layer is provided. The photoresist layer is removed with a first chemistry comprising a sulfur-containing compound. At least a portion of the first layer is removed with a second chemistry comprising a sulfur-containing etchant, thereby exposing portions of the plate. Removing the photoresist layer and/or at least a portion of the first layer leaves sulfur on at least portions of the reticle. In a cleaning step, the reticle is contacted with one or more excited species of oxygen to remove residual sulfur and other contaminants, such as carbon, sulfur and oxygen-containing species. Methods of embodiments can be used to clean, e.g., binary photomasks, attenuated phase shift masks (APSMs) and high transmission attenuated photomasks.
摘要:
An apparatus for depositing materials onto a micro-device workpiece includes a gas source system configured to provide a first precursor, a second precursor, and a purge gas. The apparatus can also include a valve assembly coupled to the gas source system. The valve assembly is configured to control a flow of the first precursor, a flow the second precursor, and a flow of the purge gas. Another component of the apparatus is a reaction chamber including an inlet coupled to the valve assembly, a workpiece holder in the reaction chamber, and an outlet downstream from the workpiece holder. The apparatus also includes a monitoring system and a controller. The monitoring system comprises a radiation source that directs a selected radiation through the reaction chamber and a detector that senses a parameter of the radiation directed through the reaction chamber. The controller is operatively coupled to the monitoring system and the valve assembly. The controller contains computer operable instructions to terminate the flow of the first precursor, the flow of the second precursor and/or the flow of the purge gas based on the parameter sensed by the monitoring system in real-time during a deposition cycle of a workpiece.
摘要:
Reactors having gas distributors for depositing materials onto micro-device workpieces, systems that include such reactors, and methods for depositing materials onto micro-device workpieces. In one embodiment, a reactor for depositing materials onto a micro-device workpiece includes a reaction chamber, a passageway, and a door assembly. The reaction chamber includes a gas distributor configured to provide a flow of gas(es) to a micro-device workpiece on a workpiece holder. The passageway, which has a first end open to the reaction chamber and a second end apart from the reaction chamber, is configured to provide ingression to and egression from the chamber for processing the micro-device workpiece. The door assembly is configured to open and sealably close a door at the second end of the passageway. A gas conditioning system positioned in the door is configured to maintain a desired concentration and phase of gas constituents in the passageway.