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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 22. Отображено 22.
12-08-2015 дата публикации

Pre-cleaning process before texturing process

Номер: CN104835717A
Автор: LU DONGKAI, FAN XUANDONG, HUANG ZHEN, YANG DONGSHENG, XU DAWEI
Принадлежит:

The present invention discloses a pre-cleaning process before a texturing process. The process comprises the steps that (1) an automatic feeding machine transmits silicon slices to five rails separately; (2) the silicon slices enter a pre-cleaning water tank for cleaning according to the set speeds under the driving of rollers; (3) after cleaning, the residual water on the silicon slices is extruded by a soft roller at the tail end of the water tank; (4) the silicon slices are fed to an air knife groove, so that the silicon slices of which the surfaces are wet are dried under N2 atmosphere; (5) the silicon slices having hidden cracking severely in the step (4) are blown to crack, and the small broken silicon slices drop into an air knife groove body, and the large broken silicon slices enter a next slice pickup groove under the driving of the rollers; (6) cleaning and picking out the broken silicon slices in the step (5), and feeding the pre-cleaned silicon slices to the etching groove ...

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Номер записи: 1
14-09-2011 дата публикации

Method for plating silicon nitride anti-reflecting film

Номер: CN0102185012A
Автор: MINGXING QIAN, JIANDONG GUO, XUANDONG FAN, QINXIA WANG, LUO JUN, QIAN MINGXING, GUO JIANDONG, FAN XUANDONG, WANG QINXIA
Принадлежит:

The embodiment of the invention discloses a method for plating a silicon nitride anti-reflecting film, and the method comprises the following steps: injecting nitrogen into a furnace tube; placing a graphite boat which is inserted with a silicon slice into the furnace tube; maintaining the temperature c1 in a furnace; carrying out a pressure test and maintaining the pressure to be constant; blowing ammonia and predepositing, wherein the temperature is c1, the volume of the ammonia is 4-5L, the radio frequency power is 2000-3000w and the time is 100-200s; sequentially depositing for three times, wherein the temperature of each depositing sequentially descends by the preset DEG C c2; and finishing the plating course of the silicon nitride anti-reflecting film. Furthermore, the other process parameters in the method is as follows: the flow of the ammonia is 3500-4500sccm; the flow of silane is 450-600sccm; the radio frequency power is 2000-3000w; the duration time is 250-300 seconds; the duty ...

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Номер записи: 2
14-09-2011 дата публикации

Method for preparing antireflective film of polycrystalline silicon solar cell as well as polycrystalline silicon solar cell

Номер: CN0102185006A
Автор: MINGXING QIAN, JIANDONG GUO, XUANDONG FAN, LUO JUN, JING ZHAO, QIAN MINGXING, GUO JIANDONG, FAN XUANDONG, ZHAO JING
Принадлежит:

The invention provides a method for preparing an antireflective film of a polycrystalline silicon solar cell as well as a polycrystalline silicon solar cell. The method comprises the steps of: passivation layer deposition and density layer deposition. The polycrystalline silicon solar cell comprises: a polycrystalline silicon wafer and the antireflective film located on the surface of the polycrystalline silicon wafer, wherein the antireflective film is made from silicon nitride and comprises a passivation layer and a density layer; and the passivation layer is arranged on the surface of the polycrystalline silicon wafer and the density layer is arranged on the surface of the passivation layer. In the technical scheme provided by the invention, by utilizing the passivation layer in the antireflective film, the surface of the silicon wafer and a substrate can be effectively passivated, the defects such as dislocation, crystal boundary and the like in the surface of a polycrystalline silicon ...

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Номер записи: 3
01-07-2015 дата публикации

Cooling junction pushing and diffusion process

Номер: CN104752567A
Автор: GUO JIANDONG, FAN XUANDONG, QIAN MINGXING, GUAN TONGZHOU
Принадлежит:

The invention discloses a cooling junction pushing and diffusion process. The process comprises the following specific steps: (1) performing low-temperature diffusion; (2) performing high-temperature diffusion; (3) performing junction pushing in a cooling process. A minority of carrier recombination is reduced through the second-step diffusion process with a higher temperature, the surface impurity concentration is increased, the formation of Ohmic contact is facilitated, and junction pushing is performed at a low temperature to ensure the product uniformity and lower the surface concentration, so that the aims of saving the cooling time, optimizing the production process and ensuring the product quality are fulfilled.

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Номер записи: 4
14-09-2011 дата публикации

Method and corrosive liquid for making texture surface of monocrystalline silicon

Номер: CN0102181935A
Автор: JIANFEI LI, QINXIA WANG, ZHEN HUANG, JIANDONG GUO, XUANDONG FAN, LI JIANFEI, WANG QINXIA, HUANG ZHEN, GUO JIANDONG, FAN XUANDONG
Принадлежит:

The invention provides a corrosive liquid for making the texture surface of monocrystalline silicon. The corrosive liquid comprises the following components based on mass concentration: 0.1 to 0.5 percent of NaOH and/or KOH, 5 to 8 percent of isopropyl alcohol and/or ethanol, 0.3 to 0.5 percent of sodium lactate, 1 to 2 percent of urea and the balance of water; and the sodium lactate and the urea are selected as additives and are matched with an alkali solution and an alcoholic solution to prepare the corrosive liquid. Compared with the prior art, the invention has the advantages that: experimental results show that the reflectivity of solar light can be reduced to between 6 and 8 percent by adopting the texture surface of the monocrystalline silicon prepared by the corrosive liquid. Moreover, the texture surface of the monocrystalline silicon has higher short-circuit current and higher photoelectric conversion efficiency.

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Номер записи: 5
14-09-2011 дата публикации

Method and corrosive liquid for manufacturing multicrystalline silicon texture

Номер: CN0102181936A
Автор: JIANFEI LI, QINXIA WANG, ZHEN HUANG, JIANDONG GUO, XUANDONG FAN, LI JIANFEI, WANG QINXIA, HUANG ZHEN, GUO JIANDONG, FAN XUANDONG
Принадлежит:

The invention provides a corrosive liquid for manufacturing a multicrystalline silicon texture. The corrosive liquid comprises the following components: 2-5mol/L of HF, 5-15mol/L of HNO3, 0.2-1mol/L of nitrites, 0.1-0.5mol/L of H2SiF6 and the balance of water. The NaNO2 and H2SiF6 are added to HF and HNO3 to serve as stabilizing agents; and experimental results show that the multicrystalline silicon texture prepared by the corrosive liquid, compared with the prior art, provided by the invention can effectively reduce the reflectivity toward the sunlight.

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Номер записи: 6
14-09-2011 дата публикации

A processing method of inefficient solar cell sheets

Номер: CN0102185008A
Автор: XUANDONG FAN, JIANDONG GUO, WEI SUN, JIANFEI LI, JIONGYU HUANG, FAN XUANDONG, GUO JIANDONG, SUN WEI, LI JIANFEI, HUANG JIONGYU
Принадлежит:

The invention discloses a processing method of inefficient solar cell sheets. The processing method comprises the steps of screening out inefficient solar cell sheets from solar cell sheet products, and disposing the inefficient solar cell sheets into an annealing furnace for annealing with hydrogen. In the embodiment of the invention, the inefficient cell sheets are annealed with hydrogen. Since hydrogen can reduce oxide on metal electrodes, the contact resistance between the metal electrodes and silicon is thereby reduced, and accordingly the total series resistance of the inefficient cell sheets is reduced. Moreover, since hydrogen possesses a passivation function, the electroactive impurities are passivated, the recombination rate of carriers on cell surfaces and the lifetime of minority carriers are prolonged. Therefore, the shunt resistance of the cell sheets is improved and the reverse leakage current density is reduced, accordingly the filling factors of the cell sheets are increased ...

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Номер записи: 7
01-07-2015 дата публикации

Polycrystalline silicon battery texturing process

Номер: CN104752566A
Автор: GUO JIANDONG, FAN XUANDONG, QIAN MINGXING, GUAN TONGZHOU
Принадлежит:

The invention discloses a polycrystalline silicon battery texturing process. The process comprises the following specific steps: (1) performing NaOH alkali pretreatment on a polycrystalline silicon battery; (2) cleaning the polycrystalline silicon battery subjected to alkali pretreatment with water; (3) putting the polycrystalline silicon battery subjected to washing in the step (2) into mixed acid corrosive liquid of nitric acid and hydrofluoric acid for performing a texturing process; (4) washing polycrystalline silicon subjected to an acid corrosion process in the step (3) with water once again; (5) performing alkali washing on the polycrystalline silicon battery at low concentration, and washing with water; (6) performing a secondary acid corrosion process on the polycrystalline silicon battery treated in the step (5) through hydrochloric acid and hydrofluoric acid, and washing with water; (7) drying the polycrystalline silicon by blowing to finish the whole process. By adopting the ...

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Номер записи: 8
18-11-2015 дата публикации

Silicon chip transfer cart

Номер: CN0204775317U
Автор: CHEN ZHIHAO, FAN XUANDONG
Принадлежит:

The utility model relates to an instrument that bears of silicon chip in the solar wafer manufacture process, concretely relates to silicon chip transfer cart, including the automobile body, with car connection's handle, a plurality of standing groove, gyro wheel, delivery pipe, collecting box and division board, a plurality of standing grooves set up in vehicle body upper part, and by the division board branch is severed, the delivery pipe sets up in the intersection of a plurality of standing grooves, the sub -unit connection collecting box, the gyro wheel sets up in bottom of the car body. The utility model discloses it is low to solve production efficiency, once only can place the silicon chip of multiple specification, and can not obscure, and all there is certain angle standing groove side and bottom with the horizontal plane, and remaining water can be through discharging duct flow to collecting box, last centralized processing on the silicon chip.

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Номер записи: 9
18-11-2015 дата публикации

Horizontal position automatically regulated examines a car

Номер: CN0204788290U
Автор: DING XIA, HOU XIAO, FAN XUANDONG, XU BINGFEI
Принадлежит:

The utility model relates to the field of machining, concretely relates to horizontal position automatically regulated examines a car, include handle, supporting legs and gyro wheel with car connection, the automobile body upper surface is equipped with the working face, each extreme point department of working face is equipped with the locating part, the automobile body lower surface is equipped with the gyro wheel, be equipped with the hasp on the gyro wheel, still include spirit level and a plurality of supporting legs, the spirit level sets up the inboard intermediate position in bottom of the car body, the spirit level includes liquid pearl, sensor and grating strip, spirit level left and right sides grating strip bottom respectively is equipped with a sensor, the supporting legs includes cylinder and holding surface, cylinder and holding surface fixed connection, the cylinder links to each other with the sensor, the supporting legs symmetry sets up the lower surface at the automobile ...

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Номер записи: 10
18-11-2015 дата публикации

Silicon chip pay -off track

Номер: CN0204792865U
Автор: SUN MINGJING, FAN XUANDONG
Принадлежит:

The utility model relates to a silicon chip production field especially relates to a silicon chip pay -off track, including a transfer orbit, a plurality of second track and controlling means, a transfer orbit's width and a plurality of the 2nd transfer orbit's width are lighter than the width of silicon chip, a plurality of the 2nd transfer orbit fixed connection are in same one side of a transfer orbit, a plurality of the 2nd transfer orbit and a transfer orbit are on same horizontal plane and mutually perpendicular, controlling means is used for controlling a transfer orbit and the orbital transfer rate of a plurality of second. The utility model discloses can solve the mistake of electro -magnet moves for the circuit is normally worked, leads to the lightning current, disconnected power current, thus play the effect of protection circuit.

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Номер записи: 11
23-09-2015 дата публикации

Cleaning technology of graphite boat

Номер: CN104923518A
Автор: GUO JIANDONG, FAN XUANDONG, QIAN MINGXING, GUAN TONGZHOU
Принадлежит:

The invention discloses a cleaning technology of a graphite boat. The cleaning technology comprises the following specific steps: (1), a cleaning solution is configured, hydrofluoric acid is added into a stock solution, the volume concentration of the hydrofluoric acid is 20% to 25%, and ammonium hydroxide with the volume concentration of 1% is added; (2), the graphite boat is soaked in the configured cleaning solution for 4 hours to 8 hours, and bubbling is carried out through nitrogen; (3), clean water is used for cleaning the graphite boat; (4), an air gun is used for drying the cleaned graphite boat; and (5), drying is carried out, the graphite boat is put into a drying box to be dried, and the nitrogen is led into the drying box. The ammonium hydroxide is added into the cleaning solution to relieve the corrosion of the cleaning solution to the graphite boat, and the aims of prolonging the service life of the graphite boat and reducing the production cost of an enterprise are achieved ...

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Номер записи: 12
02-09-2015 дата публикации

Deposition reflecting film production process

Номер: CN104882493A
Автор: FAN XUANDONG, GUO JIANDONG, YANG DONGSHENG, QIAN MINGXING, QIAN XIAOFANG
Принадлежит:

The invention discloses deposition reflecting film production process. The steps of the process include: (1) inserting a silicon wafer into a graphite boat, and feeding the graphite boat into a heating furnace; (2) heating up the heating furnace, and introducing ammonia gas and radio frequency in a heating-up process to perform a pre-deposition process; (3) introducing ammonia gas and silane to perform a deposition process; and (4) taking out the deposited silicon wafer, thereby completing the whole production process. By performing the pre-deposition process while heating up the heating furnace, the purposes of optimizing the production process and improving production efficiency are achieved.

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Номер записи: 13
14-09-2011 дата публикации

Screen printing sintering method and system for crystalline silicon solar cell

Номер: CN0102185009A
Автор: JIONGYU HUANG, JIANDONG GUO, XUANDONG FAN, QINXIA WANG, LUO JUN, HUANG JIONGYU, GUO JIANDONG, FAN XUANDONG, WANG QINXIA
Принадлежит:

The embodiment of the invention discloses a screen printing sintering method and a screen printing sintering system for a crystalline silicon solar cell. The method comprises the following steps of: printing a back electrode of a silicon wafer of the solar cell by silver-aluminum mixed slurry, and drying; printing a positive electrode of the silicon wafer by conductive silver slurry, and drying; printing a back electric field of the silicon wafer by conductive aluminum slurry; and feeding the silicon wafer with the upward back electric field into a sintering furnace, and preheating, pre-burning and sintering in sequence to finish the screen printing sintering process. In the embodiment of the invention, after being printed, the back electric field is directly fed into a sintering area by a crawler belt to be sintered without being overturned; and in the process, the crawler belt is not contacted with the back electric field, so that the problem that spines, aluminum bracts or other bulges ...

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Номер записи: 14
14-09-2011 дата публикации

Positive electrode structure of solar battery plate

Номер: CN0102184973A
Автор: JIONGYU HUANG, JIANDONG GUO, XUANDONG FAN, LUO JUN, QINXIA WANG, HUANG JIONGYU, GUO JIANDONG, FAN XUANDONG, WANG QINXIA
Принадлежит:

The embodiment of the invention discloses a positive electrode structure of a solar battery plate. The positive electrode structure comprises two main grid lines and a plurality of ancillary grid lines vertical to the main grid lines, wherein each main grid line comprises a hollowed section and a solid section connected with the hollowed section. Since each main grid line comprises the hollowed section, the area of the positive electrode covering on a silicon wafer can be reduced, the contact resistance between the positive electrode and the silicon wafer can be reduced, and further the utilization ratio of the solar battery plate can be improved; in addition, the hollow part of the hollowed section does not need to be filled with conductive size, so that the conductive size is saved and the manufacturing cost of the solar battery plate is lowered.

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Номер записи: 15
18-11-2015 дата публикации

Solar cell quartz tube cleaner

Номер: CN0204769751U
Автор: FAN XUANDONG, ZHANG JIANGUO, ZHANG JIE
Принадлежит:

The utility model discloses a solar cell quartz tube cleaner, including the washing tank, being equipped with two parallel arrangement's faucet pipe in the washing tank, faucet pipe passes through drive mechanism and is connected in order to realize that two faucet pipe axial syntropy circular rotation set up with the motor, drive mechanism includes two driven gear, driving gear, drive belt and a connecting axle, and two driven gear locate two one end that faucet pipe is corresponding respectively, and the connecting axle runs through the washing tank, and connecting axle the inner is located to the driving gear, and the outer end and the motor of connecting axle are connected, and two driven gear and a driving gear pass through the linkage of drive belt linkage in order to constitute faucet pipe and motor, the washing tank possesses the adjustment mechanism who washs different diameter quartz capsules. The utility model discloses a quartz capsule of mode in order to adapt to the different ...

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Номер записи: 16
18-11-2015 дата публикации

Two unification silicon wafers of solar cell framves are dried, transported

Номер: CN0204792735U
Автор: QIAN MINGXING, ZHANG JIANGUO, FAN XUANDONG
Принадлежит:

The utility model discloses a two unification silicon wafers of solar cell framves are dried, transported, including the lower plate, with the perpendicular three piece at least baffles arranging of lower plate, go up the cylinder of roof and the lift of control silicon chip frame, still be equipped with a plurality of waterlogging caused by excessive rainfall hole on the lower plate, it links to each other through a rotation axis to go up roof and lower plate, going up the roof top and still being equipped with the worm gear reducer who links to each other with the rotation axis, worm gear reducer links to each other with the motor. The utility model discloses rotatable, liftable to be equipped with the waterlogging caused by excessive rainfall hole, will dry, transport two unifications of function, reduced man -hour, improved efficiency.

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Номер записи: 17
01-07-2015 дата публикации

Method for cleaning quartz boat for diffusion

Номер: CN104741335A
Автор: GUO JIANDONG, FAN XUANDONG, QIAN MINGXING, GUAN TONGZHOU
Принадлежит:

The invention discloses a method for cleaning a quartz boat for diffusion. The method includes the following steps of firstly, preparing cleanout fluid, wherein bottles of hydrofluoric acid (HF) with concentration of 40%, bottles of chloric acid (HCl) with concentration of 37% and bottles of nitric acid (HNO3) with concentration of 66% are placed in a cleaning tank body, and then an appropriate volume of deionized water is added; secondly, cleaning the quartz boat, wherein the quartz boat is soaked in the tank body containing the cleanout fluid; thirdly, taking out the quartz boat after the quartz boat is placed in the tank body for 30 minutes, and completing the cleaning of the quartz boat. Through the characteristic that nitrate ions (NO3-) are a quite strong oxidizing agent under the acid conditions, a trace of metal elements are dissolved; meanwhile, chloridion (Cl-) provided by hydrochloric acid can react with metal ions in a solution, and therefore the metal ions are reduced under ...

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Номер записи: 18
18-11-2015 дата публикации

Quartz capsule belt cleaning device

Номер: CN0204769698U
Автор: XU BINGFEI, DING XIA, FAN XUANDONG, YUAN SIQIANG
Принадлежит:

The utility model relates to a belt cleaning device, concretely relates to quartz capsule belt cleaning device, including two blocks of curb plates, the bottom plate of two blocks of curb plates of connection, the setting is in slide rail on the bottom plate sets up in the ultrasonic cleaner at slide rail both ends, a plurality of boards of placing, a plurality of boards of placing set up on the slide rail, it is equipped with curved recess to place board upper portion, the recess bottom is equipped with the spliced pole with slide linkage. The utility model provides a pair of quartz capsule belt cleaning device, simple structure, convenient operation, the cleaning efficiency is high, washs thoroughly to can reduce intensity of labour.

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Номер записи: 19
15-07-2015 дата публикации

Method for increasing percent of pass of saw mark cells

Номер: CN104779321A
Автор: YANG DONGSHENG, QIAN XIAOFANG, GUO JIANDONG, FAN XUANDONG, CHEN XIANCHAO
Принадлежит:

The invention discloses a method for increasing the percent of pass of saw mark cells. Saw marks of the cells are always kept in a specific direction in all steps of a preparation technology process, the saw mark direction is kept parallel with the auxiliary grid line direction, and thick points and other detects are avoided. With the adoption of the method, the yield and efficiency of silicon wafers cut with the existing silicon material cutting technology can be greatly increased, and the extra production cost is avoided.

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Номер записи: 20
18-11-2015 дата публикации

Box is placed to silicon chip

Номер: CN0204792727U
Автор: YUAN SIQIANG, XU BINGFEI, FAN XUANDONG
Принадлежит:

The utility model relates to a container is deposited with the silicon chip to solar cell production, especially relates to a box is placed to silicon chip, comprises a box bod, box body one end is equipped with the opening, and the opening part is equipped with the baffle, baffle and box body rotate to be connected, and the inner wall is equipped with the buffer layer to the side of the relative box body of opening, be equipped with the counter on the buffer layer. The utility model provides a pair of box is placed to silicon chip, simple structure, convenient operation, the silicon chip of placing can not damage, and can place according to the specification.

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Номер записи: 21
18-11-2015 дата публикации

Adjustable silicon wafers of solar cell frame

Номер: CN0204792860U
Автор: HUANG ZHEN, FAN XUANDONG, QIAN MINGXING
Принадлежит:

The utility model discloses an adjustable silicon wafers of solar cell frame, including the lower plate, with the perpendicular three piece at least baffles arranging of lower plate, go up the cylinder of roof and the lift of control silicon chip frame, the lower plate outside is equipped with the draw -in groove of the lower plate extension that is used for pegging graft, possesses the notch that matches with last roof on the baffle. The utility model discloses to dry, transport two unifications of function, and reduce man -hour, and improve efficiency, and adjacent baffle adjusts space, lower plate between adjacent baffle through the notch and still can continue when the silicon chip size is great and connect the lower plate extension, accomplish to dry, transport more more than not unidimensional silicon chips.

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Номер записи: 22