摘要:
Chemical vapor deposition processes result in films having low dielectric constants when suitable chemical precursors are utilized. Preferred chemical precursors include siloxanes, (fluoroalkyl)fluorosiloxanes, (fluoroalkyl)silanes, (alkyl)fluorosilanes, (fluoroalkyl)fluorosilanes, alkylsiloxysilanes, alkoxysilanes, alkylalkoxysilanes, silylmethanes, alkoxysilylmethanes, alkylalkoxysilylmethanes, alkoxymethanes, alkylalkoxymethanes, and mixtures thereof. The precursors are particularly suited to thermal CVD for producing low dielectric constant films at relatively low temperatures, particularly without the use of additional oxidizing agents. Such films are useful in the microelectronics industry.
摘要:
A substrate processing system has computer controlled injectors. The computer is configured to adjust a plurality of injectors, such as during deposition of a graded layer, between depositions of two different layers, or between deposition and chamber clean steps.
摘要:
Sequential processes are conducted in a batch reaction chamber to form ultra high quality silicon-containing compound layers, e.g., silicon nitride layers, at low temperatures. Under reaction rate limited conditions, a silicon layer is deposited on a substrate using trisilane as the silicon precursor. Trisilane flow is interrupted. A silicon nitride layer is then formed by nitriding the silicon layer with nitrogen radicals, such as by pulsing the plasma power (remote or in situ) on after a trisilane step. The nitrogen radical supply is stopped. Optionally non-activated ammonia is also supplied, continuously or intermittently. If desired, the process is repeated for greater thickness, purging the reactor after each trisilane and silicon compounding step to avoid gas phase reactions, with each cycle producing about 5-7 angstroms of silicon nitride.
摘要:
Controller assemblies and packaging for electronic control systems of electric motors utilized in utility vehicles or other power equipment. Features of the controller assemblies and packaging described herein allow for, among other things, modularity, scalability, and improved heat transfer.
摘要:
The invention provides methods of treating symptoms of sleep deprivation using a hypocretin agonist. The invention also provides methods of treating Parkinson's disease using a hypocretin agonist.
摘要:
This invention relates to epoxy-based compositions useful as adhesives and sealants, and more particularly to underfill sealant, compositions with improved impact resistance.
摘要:
Chemical vapor deposition methods are used to deposit amorphous silicon-containing films over various substrates. Such methods are useful in semiconductor manufacturing to provide a variety of advantages, including uniform deposition over heterogeneous surfaces, high deposition rates, and higher manufacturing productivity. Preferably, the deposited amorphous silicon-containing film is annealed to produce crystalline regions over all or part of an underlying substrate.
摘要:
A device for detecting infrared radiation is described that comprises a resonator element (36; 72; 96; 120) fixably attached to a supporting frame (32;130). The supporting frame (32;130) is arranged to absorb infrared radiation received by the device. The resonator element (36; 72; 96; 120) has a resonant property, such as resonant frequency, that varies with temperature. The device may comprise a plurality of detection elements (70), each detection element comprising a resonator element (72) fixably attached to a supporting frame. A thermal detector array device may also be provided.
摘要:
A method for making a Si-containing material comprises transporting a pyrolyzed Si-precursor to a substrate and polymerizing the pyrolyzed Si-precursor on the substrate to form a Si-containing film. Polymerization of the pyrolyzed Si-precursor may be carried out in the presence of a porogen to thereby form a porogen-containing Si-containing film. The porogen may be removed from the porogen-containing Si-containing film to thereby form a porous Si-containing film. Preferred porous Si-containing films have low dielectric constants and thus are suitable for various low-k applications such as in microelectronics and microelectromechanical systems.
摘要:
Thin, smooth silicon-containing films are prepared by deposition methods that utilize a silicon containing precursor. In preferred embodiments, the methods result in Si-containing films that are continuous and have a thickness of about 150 Å or less, a surface roughness of about 5 Å rms or less, and a thickness non-uniformity of about 20% or less. Preferred silicon-containing films display a high degree of compositional uniformity when doped or alloyed with other elements. Preferred deposition methods provide improved manufacturing efficiency and can be used to make various useful structures such as wetting layers, HSG silicon, quantum dots, dielectric layers, anti-reflective coatings (ARC's), gate electrodes and diffusion sources.