摘要:
Polycrystalline silicon is produced by a high pressure plasma process. A silicon halide or halosilane is reacted with hydrogen in the presence of a high pressure plasma to deposit silicon on a heated substrate. The effluent from this reaction is collected, the silicon-bearing compounds separated out, and re-introduced to the deposition reaction. The initial silicon bearing compound can be inexpensive silicon tetrachloride. Maximum utilization of all silicon bearing reaction products maximizes polycrystalline silicon production efficiency.
摘要:
Polycrystalline silicon is deposited on the interior surface of a shaped container. The silicon is deposited by reacting hydrogen and a silicon bearing gas in the presence of a high pressure plasma. The silicon body is separated from the shaped container by utilizing thermal expansion shear stress.
摘要:
A method is disclosed for the plasma hydrogenation of silicon tetrachloride. A high pressure plasma is utilized to effect a reaction of hydrogen and silicon tetrachloride to form trichlorosilane and other hydrogenated silicon chlorides.
摘要:
An improved process is disclosed for the deposition in a reactor vessel of silicon on the interior walls of the reactor vessel and for the subsequent separation of the silicon from those walls. The reactor vessel has a generally rectangular cross section and is formed of a refractory material from which the deposited silicon separates by thermal expansion shear separation during cool down of the vessel and the deposited silicon. To improve the output of the deposition system, a plurality of partitions are provided in the reactor vessel and integral with the reactor walls. These partitions act as additional deposition surfaces, increasing the number of silicon sheets deposited as well as increasing the efficiency of the chemical reaction.
摘要:
A process is disclosed for removing carbonaceous material from a surface in a high pressure oxygen plasma. A surface, such as a surface of a silicon ribbon, having a layer of carbonaceous material thereon is positioned in a high pressure plasma reaction volume. A high pressure rf plasma is generated in which the plasma includes reactive and ionic oxygen species. The reactive oxygen species are directed to and react with the layer of carbonaceous material to oxidize that material. The reaction products of the oxidation step include carbon dioxide and, possibly a non-oxidizing ash material which can easily be removed from the silicon surface.
摘要:
Methods and apparatus are provided for forming a smudge-resistant film structure that comprises a plurality of transparent inorganic surface structures overlying a transparent substrate. A method for forming the film structure comprises providing a transparent substrate and forming a plurality of transparent surface structures overlying the transparent substrate, wherein each of the transparent surface structures comprises an inorganic material.
摘要:
Methods and systems for displaying an image on a display device having first and second light sources are provided. A video signal is provided to the display device. The video signal includes first and second video frames. Each video frame includes first and second sub-frames corresponding to the respective first and second light sources. The first light source is operated for a first duration during the first sub-frame of the first video frame. The first light source is operated for a second duration during the first sub-frame of the second video frame. The second duration is different from the first duration.
摘要:
An active matrix display backplane is formed by annealing a flexible dielectric substrate, and then forming one or more thin-film-transistors (TFTs), one or more pixel electrodes, and an interconnect on a surface of the annealed substrate. The interconnect includes individual, spaced apart electrodes that are electrically coupled to one another. One of the interconnect electrodes is electrically coupled to a TFT, and the other interconnect electrode is electrically coupled to the pixel electrode, to thereby electrically interconnect the TFT and the pixel electrode.
摘要:
A method for fabricating single crystal islands on a high temperature substrate, thereby allowing for the use of high temperature processes to further make devices incorporating the islands such as, for example, high mobility thin film transistor integrated drivers for active matrix displays. The method essentially includes depositing an etch stop layer on a single crystal silicon substrate, depositing a single crystal silicon device layer on the etch stop layer, bonding a quartz substrate to the single crystal silicon device layer at room temperature, sealing and securing with an adhesive the edges of the single crystal silicon substrate, the etch stop layer, the single crystal silicon device layer and the quartz substrate, grinding away a portion of the silicon substrate and a portion of the adhesive, etching away the remaining portion of the silicon substrate, removing the remaining portion of the adhesive, etching away the etch stop layer, applying a photoresist mask on the single crystal silicon device layer for defining the islands on the single crystal silicon device layer, etching single crystal silicon islands, and then the first non-room-temperature process of diffusion bonding the single crystal silicon islands to the quartz substrate.
摘要:
A structure and method of fabricating a active matrix display with halftone grayscale and wide viewing angle, having an active matrix array and a control capacitor array fabricated on separate substrates.