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32results about How to "Reduce deposition thickness" patented technology

Source for thermal physical vapor deposition of organic electroluminescent layers

A deposition source is provided which is installed in a chamber, heated by applied electric power to transfer heat to a vapor deposition material received therein and applying a vaporized deposition material generated therein to a substrate to form deposition organic electroluminescent layers onto the substrate. The deposition source includes a vessel formed of a top plate on which a vapor efflux aperture is formed, a side wall, and a bottom wall; a heating device that supplies heat to the deposition material received in the vessel, the heating device being capable of moving vertically; and a moving device that moves the heating device (or the bottom wall), the moving device (or the bottom wall) being operated in response to the signal of a sensing device on varied distances between the heating device and the surface of said deposition material. Thus, the heating device is moved downward (or the bottom wall) is moved upward by the moving device to maintain the distance between the heating device (or the substrate to be coated) and the surface of the deposition material at an initially-set value when the thickness of the deposition material is decreased.
Owner:LG DISPLAY CO LTD

Slagging promoting device for ultra-thick clay layer positive-cycle cast-in-place pile and construction method of slagging promoting device

The invention relates to a slagging promoting device for an ultra-thick clay layer positive-cycle and a construction method of the slagging promoting device. The device comprises crushing steel wire rope bundles, steel wire rope clamps, a fixing pressing bar and a drill rod. The crushing steel wire rope bundles are composed of a plurality of steel wire ropes. Each steel wire rope is connected to be in a ring shape through the corresponding steel wire rope. The crushing steel wire rope bundles are fixed to the drill rod in sequence through the fixing pressing bar. The steel wire rope bundles are symmetrically arranged along the drill pipe in two rows. The construction method includes the steps that the discharging length of each steel wire rope is calculated according to the diameter of a pile hole; the steel wire rope clamps are used for locking all the steel wire ropes into ring shapes, and the position, on the surface of the drill rod, of each steel wire rope is marked; the fixing pressing bar is used for fixing the steel wire rope bundles to the drill rod in sequence according to the sizes of diffusion diameters; a common positive-cycle drilling machine is used for drilling to the position close to a clay layer; and a first section of a common drill pipe is replaced with the drill pipe manufactured in the step, and subsequent drilling construction work is conducted. According to the slagging promoting device, the slagging capability and the drilling efficiency of the positive-cycle construction technology in drilling in the ultra-thick clay layer are effectively improved.
Owner:SHANGHAI ERSHIYE CONSTR CO LTD +1

Bottom sludge coagulating reduction as well as preparation method and application thereof

The invention discloses a bottom sludge coagulating reduction as well as a preparation method and application thereof. The bottom sludge coagulating reduction comprises the following ingredients in parts by weight: 25-35 parts of polyaluminium chloride, 25-35 parts of polyferric sulfate, 1-5 parts of sodium polyacrylate, 15-25 parts of calcium bentonite, 5-15 parts of dolomite, 5-10 parts of a bottom sludge conditioner and 1-5 parts of sodium ferrate. According to the coagulating reduction, in-situ, fast, efficient and stable coagulation, passivation and settling separation are performed on bottom sludge, suspended matters and the like in a governance process of urban black and odorous water bodies, so that the volume of dirty muddy water and pollutants such as COD (chemical oxygen demand), NH3-N, TP (total phosphorus), heavy metals and the like in the water bodies are quickly reduced, the transparency of the water bodies is purified, the self-purification capacity of the water bodies is enhanced, and the ecological restoration of the water bodies is promoted. Therefore, the purposes of landscape restoration and sludge and water co-governance are achieved; compared with the traditional black and odorous water body bottom sludge dredging technology, a technology adopting the bottom sludge coagulating reduction has outstanding advantages.
Owner:芜湖格丰环保科技研究院有限公司

Method of improving photoelectric properties of heterojunction solar cell

The invention discloses a method of improving the photoelectric properties of a heterojunction solar cell. A covering layer has the functions of surface antireflection, carrier conduction and electrode selective deposition mask, and the method comprises the following steps of: (a) preparing a heterojunction solar cell substrate, (b) depositing a metal seed layer gate, (c) depositing a covering layer in the non-gate region, (d) drying the covering layer, (e) electrochemically depositing a metal electrode in the gate region, (f) post-processing a covering layer, and (g) drying the cover layer. According to the method disclosed in the invention, the complexity of an electrochemical deposition metal electrode process can be obviously reduced, the polymer covering layer is used, the photoelectric property is obviously improved after treatment, the polymer covering layer can also be used as a transparent conductive film of the heterojunction solar cell, and, according to the method, the process of removing the mask by an electrochemical deposition electrode of a conventional heterojunction solar cell is avoided, the transparent conductive film can be used less or not used, the conversionefficiency of the heterojunction solar cell is improved, the production cost is reduced, and the method has remarkable advantages in industrial production.
Owner:湖州市鹑火光电有限公司

Global manufacturing method for source-drain metal of carbon nanotube device

The invention discloses a global (one-time) manufacturing method for contact metal of a source region and a drain region of a carbon nanotube device. The method comprises the following steps: an interlayer dielectric layer is deposited on a dummy gate structure, and flattening is carried out to remove the inclined side wall parts on the two sides of the top of the dummy gate structure; a dummy gate in a groove structure is removed; a gate dielectric, a metal gate and a lead metal layer are sequentially deposited, and flattening is carried out to further remove the inclined side wall parts on the two sides of the top of the gate so as to form side walls only having vertical side wall surfaces; a source-drain metal pattern is defined, a source-drain contact metal layer is deposited, and theresidual metal layer on the surface of the spacer is selectively removed; an etching stop layer and a second interlayer dielectric layer are sequentially deposited, and flattening is carried out; anda source-drain contact hole and a gate lead metal layer contact hole are formed and filled with metal. The method can eliminate the influence of the morphology of the inclined side walls on the two sides of the top of the gate on the deposition of the source-drain metal, and remarkably reduces the deposition thickness of the source-drain metal on the surfaces of the side walls.
Owner:BEIJING INST OF CARBON BASED INTEGRATED CIRCUIT +1

Preparation method for flash memory

The invention provides a preparation method for a flash memory. Oxidation processing is performed on a semiconductor substrate with formation of a tunneling oxidation layer before formation of a floating gate so that stability of an active region surface contacted with the tunneling oxidation layer is enhanced. Meanwhile, deposition thickness of a metal layer for preparation of a metal silicide is reduced, and heat treatment for formation of the metal silicide is performed via two divided phases so that enhancement of stability and surface uniformity of the metal silicide is facilitated, wherein temperature of the second phase of heat treatment is higher than that of the first phase, and time of the second phase of heat treatment is shorter than that of the first phase. With application of the aforementioned method, the metal silicide can be prevented from irregularly eroding to the gate structure and the contact surface of the active region so that programming interference caused by irregular erosion can be reduced, an objective of suppressing programming interference of the flash memory is achieved, reduction of reliability of a drain region in cycle operation can be further avoided, and generation of tail bits of data retention of the flash memory can also be avoided.
Owner:SEMICON MFG INT (SHANGHAI) CORP

A kind of sediment coagulation reducer and its preparation method and application

The invention discloses a bottom sludge coagulating reduction as well as a preparation method and application thereof. The bottom sludge coagulating reduction comprises the following ingredients in parts by weight: 25-35 parts of polyaluminium chloride, 25-35 parts of polyferric sulfate, 1-5 parts of sodium polyacrylate, 15-25 parts of calcium bentonite, 5-15 parts of dolomite, 5-10 parts of a bottom sludge conditioner and 1-5 parts of sodium ferrate. According to the coagulating reduction, in-situ, fast, efficient and stable coagulation, passivation and settling separation are performed on bottom sludge, suspended matters and the like in a governance process of urban black and odorous water bodies, so that the volume of dirty muddy water and pollutants such as COD (chemical oxygen demand), NH3-N, TP (total phosphorus), heavy metals and the like in the water bodies are quickly reduced, the transparency of the water bodies is purified, the self-purification capacity of the water bodies is enhanced, and the ecological restoration of the water bodies is promoted. Therefore, the purposes of landscape restoration and sludge and water co-governance are achieved; compared with the traditional black and odorous water body bottom sludge dredging technology, a technology adopting the bottom sludge coagulating reduction has outstanding advantages.
Owner:芜湖格丰环保科技研究院有限公司

A method for improving the photovoltaic performance of heterojunction solar cells

The invention discloses a method for improving the photoelectric performance of a heterojunction solar cell. The covering layer has the functions of surface anti-reflection, carrier conduction, and electrode selective deposition mask. The steps are as follows: (a) preparing a heterojunction solar cell Battery substrate; (b) deposition of metal seed layer gate; (c) deposition of cover layer in non-gate area; (d) drying of cover layer; (e) electrochemical deposition of metal electrodes in gate area; (f) cover layer Post-processing; (g) drying the overlay. The method described in the present invention can significantly reduce the complexity of the electrochemical deposition metal electrode process, and the photoelectric performance of the polymer coating used after treatment is significantly improved, and can also be used as a transparent conductive film for heterojunction solar cells. The conventional heterojunction solar cell electrochemical deposition electrode removal mask process can also be used with less or no transparent conductive film, which is conducive to improving the conversion efficiency of heterojunction solar cells and reducing production costs, and has significant advantages in industrial production.
Owner:湖州市鹑火光电有限公司

Super-thick clay layer positive circulation cast-in-situ pile slag discharge promoting device and its construction method

The invention relates to a slagging promoting device for an ultra-thick clay layer positive-cycle and a construction method of the slagging promoting device. The device comprises crushing steel wire rope bundles, steel wire rope clamps, a fixing pressing bar and a drill rod. The crushing steel wire rope bundles are composed of a plurality of steel wire ropes. Each steel wire rope is connected to be in a ring shape through the corresponding steel wire rope. The crushing steel wire rope bundles are fixed to the drill rod in sequence through the fixing pressing bar. The steel wire rope bundles are symmetrically arranged along the drill pipe in two rows. The construction method includes the steps that the discharging length of each steel wire rope is calculated according to the diameter of a pile hole; the steel wire rope clamps are used for locking all the steel wire ropes into ring shapes, and the position, on the surface of the drill rod, of each steel wire rope is marked; the fixing pressing bar is used for fixing the steel wire rope bundles to the drill rod in sequence according to the sizes of diffusion diameters; a common positive-cycle drilling machine is used for drilling to the position close to a clay layer; and a first section of a common drill pipe is replaced with the drill pipe manufactured in the step, and subsequent drilling construction work is conducted. According to the slagging promoting device, the slagging capability and the drilling efficiency of the positive-cycle construction technology in drilling in the ultra-thick clay layer are effectively improved.
Owner:SHANGHAI ERSHIYE CONSTR CO LTD +1
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