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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 9. Отображено 9.
25-04-2023 дата публикации

Device for detecting number of wafers and detection method

Номер: CN116013810A
Автор: TAO MINGSHENG, YANG XIN, LIU DAWEI, LU LEI
Принадлежит:

The invention relates to a device for detecting the number of wafers and a detection method, and the device comprises a wafer supporting seat which is symmetrically provided with a plurality of wafer clamping grooves at two sides and is used for supporting and fixing the wafers; the sensing device is arranged at the bottom of the wafer clamping groove and is used for detecting a wafer in the wafer clamping groove; the control unit is electrically connected with the sensing device, and the control unit is used for acquiring detection data of the sensing device; the method comprises the following steps: transmitting an induction signal detected by an induction device to a control unit for logical judgment: if a vacancy exists in a wafer storage position, outputting an alarm signal by the control unit, and locking the vacancy position and the number of vacancies according to a signal source; if the wafers exist in the wafer storage positions, the number of the wafers is accumulated. According ...

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Номер записи: 1
16-05-2023 дата публикации

Dynamic balance rotary dryer

Номер: CN116123828A
Автор: LI PANPAN, TAO MINGSHENG, JIANG FENG, LIU DAWEI
Принадлежит:

The invention discloses a dynamic balance rotary drying machine which comprises a working cavity, a rotating mechanism and a dynamic balance mechanism, in the dynamic balance mechanism, a lead screw and a balancing weight are arranged in a containing space of a mounting base, are fixed to a rotating platform in a suspended mode through the mounting base and are connected with a servo motor through a bearing seat and a coupler, and the rotating platform is fixed to the working cavity. Therefore, the gravity center of the wafer can be adjusted more accurately during rotary drying. Furthermore, a sliding rail is arranged at the bottom of a top plate of an installation base in the dynamic balance mechanism and matched with a sliding block arranged at the top of a balancing weight, and the stability of linear movement of the balancing weight is kept. Besides, in the dynamic balance mechanism provided by the invention, the balancing weight is designed in a concave shape, and the opening of the ...

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Номер записи: 2
07-04-2023 дата публикации

SPM solution mixed acid output control method

Номер: CN115938990A
Автор: LIU DAWEI, ZHANG JING, LU ZHENGKAI, XU MING, LI PANPAN, LYU FANGYI, LIU CHUANLONG
Принадлежит:

The invention discloses an SPM solution mixed acid output control method which comprises the following steps: before an SPM solution enters a pickling tank, sequentially carrying out first-stage mixing and second-stage mixing on sulfuric acid and hydrogen peroxide on a conveying pipeline according to a set volume ratio, carrying out second-stage mixing on a mixed solution output after the first-stage mixing, heating during the first-stage mixing, and carrying out second-stage mixing on the mixed solution output after the second-stage mixing, the oxygen concentration value of the mixed liquid flowing out after the first-stage mixing is monitored in real time, and if the oxygen concentration value is lower than the sufficient reaction oxygen concentration value, sulfuric acid and hydrogen peroxide in a set volume ratio are supplemented and added during the second-stage mixing, so that the oxygen concentration value, monitored in real time, of the mixed liquid flowing out after the second-stage ...

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Номер записи: 3
28-07-2023 дата публикации

Method and device for detecting transparent silicon wafer and storage medium

Номер: CN116502669A
Автор: LU LEI, TAO MINGSHENG, LIU DAWEI, XU SHUAIHUA
Принадлежит:

The invention relates to a method and device for detecting a transparent silicon wafer and a storage medium, and relates to the technical field of semiconductors. A signal transmitter and a signal receiver are arranged on the two sides of a silicon wafer bearing box for bearing the transparent silicon wafer respectively; the signal transmitting system transmits optical signals to the signal receiver, the optical signals penetrate through the silicon wafer bearing device and then are received by the signal receiver, and the number of the transparent silicon wafers in the silicon wafer bearing box is determined according to the intensity of the optical signals received by the signal receiver. According to the method, the number of the transparent silicon wafers is obtained through conversion calculation by means of the linear attenuation principle of light, the problem that traditional correlation and reflection detection modes cannot be adopted due to the fact that the light reflection performance ...

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Номер записи: 4
04-07-2023 дата публикации

Environment-friendly road repairing tamping device

Номер: CN116377803A
Автор: LIU DAWEI, ZHANG JIALIN, ZHI LEI
Принадлежит:

The invention belongs to the technical field of road tamping, and discloses an environment-friendly road repairing tamping device which comprises a shell and a bottom shell, a driving mechanism is arranged in the shell, a movable block is movably mounted in the shell, a bottom block is fixedly mounted at the bottom end of the movable block, and the movable block is connected with the driving mechanism through a connecting rope. And the bottom end of the connecting rope extends into the movable block and is fixedly provided with a second magnet. Through arrangement of the roller, the first spring, the iron block, the first magnet and the second magnet, compared with a traditional device, the lifting height of the movable block is changed and positioned through the action of magnetic attraction force and the action of the roller, so that the height of the movable block can be adjusted according to feedback information of the roller to the floor; therefore, the downward smashing force on the ...

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Номер записи: 5
27-08-2021 дата публикации

FFU system linkage circulation structure suitable for wet process equipment

Номер: CN214068702U
Автор: ZHANG JING, FANG CHAO, DENG XINFU, LIU DAWEI, CHEN DINGKUN, 张静, 方超, 邓信甫, 刘大威, 陈丁堃
Принадлежит: PNC PROCESS SYSTEMS CO LTD, ZHIWEI SEMICONDUCTOR SHANGHAI CO LTD, PNC PROCESS SYSTEMS CO., LTD., ZHIWEI SEMICONDUCTOR (SHANGHAI) CO., LTD., 上海至纯洁净系统科技股份有限公司, 至微半导体(上海)有限公司

The utility model discloses an FFU (Fan Filter Unit) system linkage circulation structure suitable for wet process equipment, which is characterized by comprising a shell, an airflow space is divided into a first space and a second space by arranging a separation assembly in the shell, and two ventilation assemblies are arranged on a third separation plate, so that the airflow space is separated into the first space and the second space. A containing assembly is arranged on a third partition plate to prevent acid gas from flowing back, a blocking assembly is arranged on a second partition plate to prevent condensation liquid from entering a ventilation assembly, and an adjusting assembly is arranged in an exhaust pipe to adjust the size of an opening of the exhaust pipe. The flow guide assembly is arranged on the air flow space to accelerate the flow rate of the air in the air flow space, the hidden assembly is arranged on the shell to accommodate the electric wire of the FFU shell, the ...

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Номер записи: 6
28-07-2023 дата публикации

Asphalt laying and flattening device for road construction

Номер: CN116497664A
Автор: LIU DAWEI, ZHANG JIALIN, ZHI LEI
Принадлежит:

The invention belongs to the technical field of asphalt paving, and discloses an asphalt paving and flattening device for road construction, which comprises a discharge bin, a blanking bin is slidably clamped in the discharge bin, a buffer mechanism is arranged at the bottom of the blanking bin, and a plurality of uniformly distributed filling mechanisms are embedded in the bottom of the blanking bin. A paving plate is arranged on the side face of the discharging bin, the side face of the discharging bin communicates with a plurality of discharging pipes which are located below the paving plate and evenly distributed, and a lifting frame is installed at the top of the discharging bin. Lifting of the material blocking mechanism within a certain range can be limited through the lifting frame and the fine line, the material blocking mechanism is prevented from being separated from the mounting sleeve or the positioning sleeve, and meanwhile it can be ensured that a trapezoidal plug and a baffle ...

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Номер записи: 7
23-06-2023 дата публикации

Megasonic wafer cleaning tank

Номер: CN116313888A
Автор: LIU DAWEI, LIAO SHIBAO, LU ZHENGKAI, XU MING, LI PANPAN, LYU FANGYI, LIU CHUANLONG
Принадлежит:

The invention discloses a megasonic wafer cleaning tank, which comprises a tank body and a wafer bracket arranged in the tank body, cleaning liquid is injected into the tank body, wafers distributed at intervals are placed on the wafer bracket and are soaked in the cleaning liquid, and the wafer bracket is filled with the cleaning liquid. And a megasonic generation device and an inert gas output bubbling pipe which are positioned below the wafer bracket are arranged at the bottom of the tank body. The megasonic wafer cleaning tank is used for cleaning the wafer, has the advantage of improving the surface cleaning uniformity and cleaning efficiency of the wafer, and is beneficial to improving the quality of the wafer.

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Номер записи: 8
23-06-2023 дата публикации

Multi-gas emission integrated module capable of being used in wafer drying system and wafer drying system

Номер: CN116294540A
Автор: JIANG FENG, ZHANG JING, KONG HAO, LIU DAWEI, CHEN XINLAI
Принадлежит:

The invention relates to a multi-gas emission integrated module capable of being used in a wafer drying system, which structurally comprises a groove body exhaust outlet, a main body exhaust outlet and a bubbler exhaust outlet, the groove body exhaust outlet, the main body exhaust outlet and the bubbler exhaust outlet are respectively arranged on a shell, a cylinder is arranged in the shell, the cylinder is connected with an exhaust on-off baffle plate, and the exhaust on-off baffle plate is connected with the groove body exhaust outlet. One end of the front connecting pipeline is connected with the shell, the other end of the front connecting pipeline is connected with the middle air adjusting pipeline, a main loop pressure adjusting baffle is arranged in the front connecting pipeline, the air inlet end of the middle air adjusting pipeline is connected with the front connecting pipeline, and the air outlet end of the middle air adjusting pipeline is connected with the exhaust pipeline.

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Номер записи: 9