baber/WOPTO huggingface dataset:
Patent WO-2019153157-A1 (WO)
Title: Cell handover method, network node and terminal device
Inventor: YANG NING
IPC: H04W72/04
Filed: 2018-02-07
Abstract: Provided are a cell handover method, a network node and a terminal device, the method comprising: a target node transmitting a first resource to a terminal device, the first resource being used for transmitting or receiving data after the terminal device is handed over to the target node. In the embodiments of the present invention, the first resource is carried in a handover command or handover acknowledgement and enables the terminal device to directly transmit or receive data on the first resource after being handed over to the target node, thereby reducing latency and improving user experience.
Patent WO-2018145654-A1 (WO)
Title: 实现多接入管理的方法、装置及计算机存储介质
Inventor: ZHOU XINGYUE
IPC: H04W48/16
Filed: 2018-02-09
Abstract: 本申请公开了一种实现多接入管理的方法及装置，包括：核心网获知UE具有多接入能力；UE从第一接入网/第二接入网注册到核心网，核心网在第一接入网/第二接入网建立协议数据单元PDU连接，该PDU连接和UE已经在第二接入网/第一接入网建立的PDU连接属于同一个PDU会话；或者，在UE从第一接入网/第二接入网请求建立协议数据单元PDU会话的过程中，核心网同时建立所述PDU会话在第二接入网/第一接入网的PDU连接。本申请实施例还提供了一种计算机存储介质。
Patent WO-2019041765-A1 (WO)
Title: Method and apparatus for accessing desktop cloud virtual machine and desktop cloud controller
Inventor: LI MINGDENG
IPC: H04L29/06
Filed: 2018-02-14
Abstract: A method and apparatus for accessing a desktop cloud virtual machine and a desktop cloud controller. The method comprises: a desktop cloud controller receiving an access request from a desktop cloud client, wherein a target virtual machine specified by the access request is deployed on a target computing node; and then, the desktop cloud controller instructing, when it is determined that a target virtual access gateway is deployed at the target computing node, the desktop cloud client to establish communication with the target virtual machine by means of the target virtual access gateway, thereby helping solve the problem of cross-server communication between a VAG and a VM in existing access methods.
Patent WO-2018171470-A1 (WO)
Title: 一种保持空口状态同步的方法、终端、基站及存储介质
Inventor: DAI QIAN
IPC: H04W76/00
Filed: 2018-03-13
Abstract: 本发明实施例公开了一种保持空口状态同步的方法，该方法包括当终端处于RRC连接状态时，当终端处于RRC连接状态时，若终端检测到自身满足第一预设条件，终端将自身的状态从RRC连接状态转换为inactive状态；若基站检测到自身和终端满足第三预设条件，基站将终端的状态从RRC连接状态转换为inactive状态；当终端处于inactive状态时，若终端检测到自身满足第二预设条件，终端将自身的状态从inactive状态转换为idle状态，若基站检测到终端满足第四预设条件，基站将终端的状态从inactive状态转换为idle状态。本发明实施例同时还公开了一种终端、基站及存储介质。
Patent WO-2019001016-A1 (WO)
Title: Temperature and displacement relational model-based early warning method for bridge expansion joint performance
Inventor: YI TINGHUA
IPC: G06F17/50
Filed: 2018-03-14
Abstract: A temperature and displacement relational model-based early warning method for bridge expansion joint performance, which relates to the technical field of civil engineering structural health monitoring. First, calculating a typical correlation temperature so as to maximize the correlation between a bridge temperature field and expansion joint displacement; next, constructing a temperature-displacement relational model for a bridge expansion joint on the basis of the typical correlation temperature; afterwards, establishing a mean value control graph for errors in the temperature-displacement relational model; lastly, determining a reasonable control limit for the mean value control graph. With the present invention, a more accurate temperature-displacement relational model may be constructed on the basis of the typical correlation temperature, which is valuable in increasing early warning capabilities for expansion joint performance.
Patent WO-2018184530-A1 (WO)
Title: 一种自扣紧杆件连接头
Inventor: ZHOU DINGMING
IPC: E04G7/22
Filed: 2018-04-03
Abstract: 一种自扣紧杆件连接头，包括：长接头(1)、短接头(2)；长接头(1)包括：长连接部(3)、长扣紧斜面(7)、长扣接部(4)；长扣紧斜面(7)与短扣紧斜面(8)互相向挤压作用下令长扣接部(4)与短扣接部(6)形成不断缩小的空腔与连通杆件(14)贴合扣紧连接，同时还令长接头(1)与短接头(2)相互扣紧连接。完成扣紧连接的长接头（1）与短接头（2）间无需连接螺栓传递应力，其装配施工更简易，工作量更小。
Patent WO-2019178894-A1 (WO)
Inventor: TANG YUEJUN
IPC: H01L51/56
Filed: 2018-04-04
Abstract: Disclosed in the present invention are an OLED (Organic Light-Emitting Diode) splicing display and a splicing method thereof. The OLED splicing display comprises a top light emitting display unit and a bottom light emitting display unit which emit light towards the same side, wherein the top light emission display unit comprises a first substrate and a first organic light emitting device, and the bottom light emitting display unit comprises a light-transmitting second substrate and a second organic light-emitting device. The first organic light emitting device and the second organic light emitting device are adjacently arranged, and the first organic light emitting device and the second organic light emitting device respectively face a second extension portion of the second substrate and a first extension portion of the first substrate. The top light emitting OLED display unit and the bottom light emitting OLED display unit are spliced. The substrate of the top light emitting display unit is taken as a package layer of the bottom light emitting display unit, and a transparent substrate of the bottom light emitting display unit is taken as a package layer of the top light emitting display unit. The OLED splicing display and the splicing method thereof achieve narrow splicing slit of a splicing display and reduce the frame segmentation.
Patent WO-2019037448-A1 (WO)
Title: Preparation method for porous graphene film, porous graphene film and electronic product
Inventor: DAI WENQIN
IPC: H01B13/00
Filed: 2018-04-13
Abstract: A preparation method for a porous graphene film, a porous graphene film, and an electronic product. The method of preparing the porous graphene film comprises: mixing a dispersion of graphene and a dispersion of particulates, and performing film forming to form a graphene/particulate mixed film; removing the particulates from the graphene/particulate mixed film to form a porous graphene film. The porous graphene film prepared by using the foregoing method has a high specific surface area and superior electric conductivity.
Patent WO-2018192466-A1 (WO)
Title: 一种洗衣机进水控制方法及洗衣机
Inventor: HUANG TAO
IPC: D06F39/08
Filed: 2018-04-17
Abstract: 一种洗衣机进水控制方法及洗衣机。一种洗衣机，包括投放装置（3）、单进水阀（1），自同一单进水阀（1）的出水口向投放装置（3）的内部分支出多条管路，包括用于洗涤剂和/或添加剂投放的第一管路（21）、用于喷淋观察窗玻璃门和/或玻璃密封窗垫的第二管路（22），并且第一管路（21）与第二管路（22）的出水量比例为1：N，N≥1，令洗衣机进水时第一管路（21）与第二管路（22）同时出水。该洗衣机通过一个单进水阀（1）同时实现洗涤添加剂投放和洗衣机喷淋观察窗玻璃门和/或玻璃密封窗垫功能，设置精简、简洁度高，可以有效降低洗衣机的故障率，还可以避免洗涤添加剂的进水管路的水残留，防止开启观察窗时滴水的问题。
Patent WO-2019169702-A1 (WO)
Inventor: LIU KEHONG
IPC: G01R29/10
Filed: 2018-04-23
Abstract: A multi-probe scan test stand, comprising: a stand body (1); multi-probe test assemblies (2) carried on the stand body (1), each multi-probe test assembly (2) comprising a first scissor support (21) carried on the stand body and test probes (22) mounted at joints assembled on the first scissor support (21) and located on the same axis; and a first drive mechanism (3) configured to drive the first scissor supports (21) to stretch and retract. Since at least two sets of multi-probe test assemblies (2) are provided, and each set of multi-probe test assemblies (2) has a plurality of test probes (22), the test speed for an antenna is improved; in addition, when the first drive mechanism (3) drives the first scissor supports (21) to stretch and retract, since the test probes are disposed at the joints, the distance between the test probes (22) also changes synchronously as the first scissor supports (21) stretch and retract, so that the test stand is adapted to array antennas of multiple specifications, and is widely applicable.
Patent WO-2019041855-A1 (WO)
Title: Pixel driving circuit, pixel structure and manufacturing method
Inventor: SONG YANQIN
IPC: G02F1/133
Filed: 2018-04-27
Abstract: Provided is a pixel driving circuit applicable to high pixel density, which is used for solving the technical problem of excessive low pixel density because the pixel of the existing panel is affected by the pixel driving circuit. The pixel drive circuit comprises a switch tube, wherein the switch tube uses a dual-gate electrode field-effect transistor, the dual-gate electrode field-effect transistor comprises a first gate electrode and a second gate electrode, and the first gate electrode and the second gate electrode are connected to the same scanning line. By taking a dual-gate electrode field-effect transistor as a switch tube, the improvement of PPI of a pixel affected by the pixel complexity caused by using an additional compensation circuit to overcome an interference factor is avoided. A pixel structure applicable to high pixel density and a manufacturing structure are further comprised.
Patent WO-2019210489-A1 (WO)
Inventor: LI PENGQING
IPC: F21V21/14
Filed: 2018-05-03
Abstract: 一种LED天棚灯，包括支撑架（10）、设置在支撑架（10）上以安装LED灯的至少一个灯罩（20）；支撑架（10）与灯罩（20）之间设有角度调节装置（30）；角度调节装置（30）包括转轴（31）和调节连接件（32）；支撑架（10）的一个长侧边与灯罩（20）的一个长侧边之间通过转轴（31）可转动连接以带动灯罩（20）转动，调节连接件（32）的两端分别与支撑架（10）和灯罩（20）的短侧边连接以与该转轴（31）配合调节灯罩（20）与支撑架（10）之间的角度。该LED天棚灯可省去透镜，降低模具的制作成本，其可进行角度调节，便于工人安装，可提高工人安装效率，减低人力成本。
Patent WO-2019062158-A1 (WO)
Title: Terminal and display screen
Inventor: SHAN QI
IPC: G09G3/20
Filed: 2018-05-18
Abstract: The present application relates to a terminal and a display screen, the terminal comprising a display region; the display region comprises at least two display areas; the at least two display areas comprise a first display area and a second display area, the pixel density of the first display area being less than the pixel density of the second display area, and the pixel density of the first display area being less than or equal to a corresponding maximum pixel density when the first display area is in a transparent state when not turned on. When the terminal uses the described display screen, a front-mounted device such as a front camera may be arranged below the first display area. When the front camera must be used, the first display area need only be controlled to not be turned on. Meanwhile, when the front camera is not in operation, because the region above the front-mounted device is also a display region, every display area of the display screen may be displayed normally, thus realizing true terminal full-screen display.
Patent WO-2019222940-A1 (WO)
Inventor: LIAO YANCHENG
IPC: A24F40/60
Filed: 2018-05-23
Abstract: 本发明涉及一种烘烤烟具，包括本体、加热组件、以及滑钮。本体上设有容腔，加热组件安装在容腔内；加热组件上形成有供烟体插入的插孔；滑钮安装在本体上，与加热组件相配合，并具有将加热组件推出容腔的第二行程。滑钮滑动到不同的位置，可分别将烟体、加热组件推出，可以方便更换烟体，也可以方便的实现加热组件与本体的的电源等供电组件之间的拆卸，便于更换加热组件以及对加热组件内部进行清洁。
Patent WO-2019227316-A1 (WO)
Title: Sounding reference signal transmission in unlicensed spectrum
Inventor: TAO TAO
IPC: H04W28/26
Filed: 2018-05-29
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable storage mediums for sounding reference signal (SRS) transmission in unlicensed spectrum. In example embodiments, a method implemented at a terminal device is provided. According to the method, in response to determining that there is a transmission gap in unlicensed spectrum, a configuration is determined for transmitting a SRS to a network device in the transmission gap. The SRS is transmitted to the network device in the transmission gap based on the configuration. Embodiments of the present disclosure enable SRS transmission in a transmission gap (for example, within a self-contained COT), no matter whether an explicit trigger for SRS transmission is provided or not. By occupying the transmission gap with SRS transmission, the transmission opportunities of uplink control information can also be increased.
Patent WO-2018228201-A1 (WO)
Title: 一种砜聚合物组合物及其应用
Inventor: DAI JINGQI
IPC: C08K5/524
Filed: 2018-05-31
Abstract: 本发明公开了一种砜聚合物组合物及其应用。所述砜聚合物组合物包括：聚砜、聚醚砜、聚亚苯基砜中的一种、亚磷酸酯添加剂和受阻酚添加剂；所述亚磷酸酯添加剂和受阻酚添加剂耐热性能用热失重分析(TGA)表征，360℃的失重量不高于10％。其中，受阻酚添加剂占亚磷酸酯添加剂和受阻酚添加剂质量总和的1～50％。本发明制备的砜聚合物组合物可应用于食品安全、家用电器、医疗卫生、电子电器、航空航天或能源化工领域中。
Patent WO-2018219314-A1 (WO)
Inventor: ZHU MOSHU
IPC: A61B17/34
Filed: 2018-05-31
Abstract: 本发明公开了一种含移动胀大气囊的套管组件，包含第一密封组件和第二密封组件，所述第二密封组件包含下部外壳以及与其相连接并向远端延伸的中空套管，所述第一密封组件，第二密封组件和中空套管包含联通并大致对齐的器械通道，所述中空套管包含内柱面和外柱面以及其间的套管壁；所述中空套管的远端还包含开放的套管唇；所述套管组件还包含可充气胀大的气囊组件，用以充放气的单向阀组件以及将所述气囊组件和单向阀组件联通的气流通道；所述气囊组件包含气囊唇和与之连接的气囊体；所述气囊组件还包括移动机构，当插入或取出套管组件时，操作移动机构由远端向近端移动使气囊体由自由状态拉伸至平直状态。
Patent WO-2019007314-A1 (WO)
Title: Knuckle rehabilitation exercise aid
Inventor: YANG KEQIANG
IPC: A61H1/02
Filed: 2018-07-03
Abstract: A knuckle rehabilitation exercise aid, comprising: a rubber piece (11), at least one small support (12), a middle support (13), and a large support (14). The small support (12), the middle support (13), and the large support (14) are fixed on the rubber piece (11); a finger sleeve (112) is provided at the front end of the rubber piece (11), and the finger of a patient can reach into the finger sleeve (112). The knuckle rehabilitation exercise aid is sleeved on the finger of a patient by means of the rubber piece (11), and a power source is fixed by means of the small support (12), the middle support (13), and the large support (14) fixed on the rubber piece (11); the power source forces the rubber piece (11) to be bent and strengthened, so as to drive the finger of the patient to move, thereby helping the patient to perform rehabilitation training.
Patent WO-2020006716-A1 (WO)
Inventor: Guan Ximeng
IPC: H01L29/786
Filed: 2018-07-04
Abstract: 本发明提供了一种阵列基板的制造方法。所述阵列基板制造方法包括如下步骤：提供基板，在所述基板上连续沉积半导体层和栅极绝缘层；依次图案化所述栅极绝缘层和所述半导体层，并且通过一次构图工艺形成包括有源层的图案，通过二次构图工艺形成包括栅极介质层的图案。本发明阵列基板制造方法，通过连续沉积半导体层和栅极绝缘层，并在沉积所述栅极绝缘层之后对所述半导体层进行图案化，因此可避免直接在所述半导体层涂覆光刻胶及去除光刻胶造成对后续制备有源层的沟道表面的污染，进而提高了所述薄膜晶体管区的性能和可靠性。
Patent WO-2019011215-A1 (WO)
Title: Input device for washing machine and washing machine having same
Inventor: JIANG YULIANG
IPC: D06F39/02
Filed: 2018-07-09
Abstract: The present invention relates to the technical field of washing machines, and specifically relates to an input device for a washing machine, where in the bottom of the input device is provided with a water outlet which is connected to a washing drum; the lowermost part of the input device is provided with a water outlet; and further provided is an eccentric flipping board that sealingly fits with the water outlet, wherein the eccentric flipping board flips to open the water outlet under the gravity effect of water stored inside of the input device, or the flipping board, under the weight thereof, flips to close the water outlet. Also provided by the present invention is the washing machine that has the input device, which uses the eccentric flipping board to seal the interface at the connection between the washing input device and the washing drum so as to prevent a large amount of hot vapor generated inside of the drum from entering the input device, thus avoiding the formation of a large amount of water condensation on the surface of the input device or other components which are connected to the input device assembly. In addition, the present invention may also prevent a large amount of foam generated by detergent inside of the washing drum from entering the input device.
Patent WO-2019033884-A1 (WO)
Title: Method and apparatus for allocating air interface resource for voice service, and base station
Inventor: GONG DAGANG
IPC: H04L47/76
Filed: 2018-07-17
Abstract: Disclosed are a method and apparatus for allocating an air interface resource for a voice service, and a base station. The method comprises: determining a service stage where a voice-over-Internet-protocol service is currently located; and adjusting an air interface resource of the voice-over-Internet-protocol service according to the service stage where the voice-over-Internet-protocol service is currently located.
Patent WO-2019019969-A1 (WO)
Title: Knowledge verification method, knowledge verification device, and storage medium
Inventor: ZHANG ZHENZHONG
IPC: G06F17/30
Filed: 2018-07-23
Abstract: A knowledge verification method, a knowledge verification device, and a storage medium. The knowledge verification method comprises: acquiring target candidate knowledge and conflicting candidate knowledge that contradicts the target candidate knowledge (S11); acquiring a target evidence group of the target candidate knowledge and a conflicting evidence group of the conflicting candidate knowledge (S12); calculating the verification probability of the target candidate knowledge on the basis of a logic rule for each piece of evidence in the target evidence group, and calculating the verification probability of the conflicting candidate knowledge on the basis of a logic rule for each piece of evidence in the conflicting evidence group (S13); comparing the verification probability of the target candidate knowledge to the verification probability of the conflicting candidate knowledge, and determining whether the target candidate knowledge is correct knowledge on the basis of the comparison result (S14).
Patent WO-2019136969-A1 (WO)
Inventor: HUANG ZHONGZHU
IPC: G06F12/1009
Filed: 2018-08-09
Abstract: 本发明公开了一种实体位置映到逻辑映像位置的高效能方法，包括如下步骤：A、主机端更新数据；B、在映像表中更新此笔数据的纪录；C、判断是否因为更新产生无效记录；D、在映像表中标记无效记录；映像表中存放着逻辑映像位置的数据；当主机更新资料的时候，映像表会记录最新数据在闪存的哪个实体位置，因此能够加速搜寻的时间。
Patent WO-2020034067-A1 (WO)
Inventor: ZHOU WANREN
IPC: B64D1/18
Filed: 2018-08-13
Abstract: 一种农业无人机的水箱（10），用于挂载在农业无人机的机架（20）上，水箱(10)包括：箱体(101)、压力传感器(301)和非接触式通信标签(302)；压力传感器(301)安装于箱体(101)的底部(1012)，用于测量箱体(101)内液体的体积；非接触式通信标签(302)安装于箱体(101)上、并与压力传感器(301)电连接，非接触式通信标签(302)用于在与机架(20)上安装的通信读卡器(401)通信时为压力传感器(301)供电，以获取压力传感器(301)测量到的箱体(10)内液体的体积并将体积发送给通信读卡器(401)。
Patent WO-2019179026-A1 (WO)
Inventor: WANG XIAOBO
IPC: H04L29/08
Filed: 2018-08-24
Abstract: Disclosed in the present application are an electronic device, a method for automatically generating a cluster access domain name, and a storage medium, the method comprising: allocating preset first access domain names to each predetermined client, and after receiving a service call request sent by a client, parsing the service call request so as to parse service information; writing the parsed service information into an access token of the client; determining a second access domain name of a server cluster corresponding to the access token according to a pre-stored mapping relationship between the service information and the access domain name of the server cluster; and replacing the first access domain name with the second access domain name, and sending the service call request to the determined service cluster on the basis of the second access domain name. With the present application, the access process of a server cluster may be simplified, and the access efficiency is improved.
Patent WO-2020015140-A1 (WO)
Inventor: SUN HONGSHEN
IPC: G06Q10/06
Filed: 2018-09-18
Abstract: La présente invention concerne un procédé de génération de modèles de classement de passagers. Ledit procédé comprend : l'acquisition d'enregistrements historiques de passage de douanes, les enregistrements historiques de passage de douanes portant une étiquette de passager à risque ou une étiquette de passager ordinaire (S202) ; la répartition des enregistrements historiques de passage de douanes dans des groupes selon des emplacements où les comportements de passage de douanes se produisent (S204) ; l'apprentissage respectif des enregistrements historiques regroupés de passage de douanes pour obtenir des modèles de classement d'emplacements correspondants (S206) ; et la combinaison des modèles de classement d'emplacements obtenus pour obtenir un modèle de classement de passagers (S208).
Patent WO-2019080866-A1 (WO)
Title: Data transmission method and device, and computer storage medium
Inventor: LIU XIAOLI
IPC: H04L47/27
Filed: 2018-10-24
Abstract: Disclosed in embodiments of the present invention are a data transmission method and device, and a computer storage medium. The method comprises: a first device obtains a congestion state of a transmission port, wherein the transmission port is a communication port used by the first device when a second device transmits data to the first device, and the congestion state is used for indicating whether data congestion occurs at the transmission port; if a mode switching condition is met, send indication information to the second device, wherein the indication information is used for indication of switching the transmission mode used when the second device transmits the data, so that the second device transmits the data to the first device in the transmission mode after the switching, and the mode switching condition is associated with the congestion state of the transmission port. By means of the embodiments of the present invention, both high throughput and low latency performances of a network can be achieved.
Patent WO-2020082367-A1 (WO)
Inventor: CHEN FANGZHENG
IPC: G21K1/04
Filed: 2018-10-26
Abstract: A beam limiting device and an X-ray medical appliance, related to the field of medical appliances. The beam limiting device comprises: a base (1) provided with a radiation window (101), and an adjustment body (2) provided on the base (1), the adjustment body (2) being used for adjusting the size of the radiation window (101). The size of the radiation window (101) is adjustable by means of the adjustment body (2), so that when the distance between an X-ray focal point and an imaging position changes, for the change of the radiation area, the radiation window (101) is adjusted to a corresponding size by means of the adjustment body (2) so as to adapt to the change of the radiation area and to improve the applicability of the beam lighter.
Patent WO-2020087336-A1 (WO)
Inventor: LIN HAO
IPC: G05D1/00
Filed: 2018-10-31
Abstract: A control method and a control device for a mobile platform, wherein the method is applied to the control device, and comprises: processing the voice input by a user to obtain a voice control signal (S201); performing voiceprint recognition on the voice control signal to verify the identity of the user (S202); if the identity verification of the user succeeds, performing voice recognition on the voice control signal to obtain a control instruction (S203); and sending the control instruction to a mobile platform in order to control the mobile platform (S204). This embodiment can implement the voice control of the mobile platform and improve the convenience of control of the mobile platform.
Patent WO-2019096071-A1 (WO)
Title: 通信方法、通信装置和系统
Inventor: HUANG YI
IPC: H04B7/0456
Filed: 2018-11-09
Abstract: 本申请提供了一种通信方法、通信装置和系统，能够支持多种传输形式。该方法包括：发送PMI和RI，该PMI和该RI用于指示码本中的预编码矩阵，该预编码矩阵的秩大于1；其中，该码本包括第一类预编码矩阵、第二类预编码矩阵和第三类预编码矩阵中的至少两类，该第一类预编码矩阵中的任意一个矩阵的每个列向量仅包括一个非零元素，且任意两个列向量中的非零元素所在的行不同，该第二类预编码矩阵中的任意一个矩阵的至少一个列向量包括至少一个零元素和至少两个非零元素，该第三类预编码矩阵中的任意一个矩阵中的每一个元素均为非零元素，且该第三类预编码矩阵中的任意一个矩阵的任意两个列向量相互正交。
Patent WO-2020006974-A1 (WO)
Title: Microfluidic control chip, microfluidic apparatus, and manufacturing method thereof
Inventor: WU ZHIHONG
IPC: B01L3/00
Filed: 2018-11-30
Abstract: The microfluidic control chip may include an upper cover (1), a lower cover (2), and a chip functional layer (3) between the upper cover (1) and the lower cover (2). The chip functional layer (3) may include a first region (A). The chip functional layer (3) in the first region (A) may include at least one chamber unit (6), an inlet flow channel (7) to the chamber unit (6), and an outlet flow channel (8) from the chamber unit (6). The chamber unit (6) may include a main flow channel (61), a plurality of secondary flow channels (62), and a plurality of microcavity structures (63). The plurality of secondary flow channels (62) may be on both sides of the main flow channel (61) and respectively connected to the main flow channel (61), and each of the plurality of microcavity structures (63) may be connected with one end of one of the secondary flow channels (62) opposite from the main flow channel (61). The chamber unit (6) may be configured to allow a liquid to flow from the main flow channel (61) to the plurality of secondary flow channels (62), and then to the plurality of microcavity structures (63).