baber/WOPTO huggingface dataset:
Patent WO-2019205613-A1 (WO)
Title: Base film for dressing and manufacturing method therefor, and dressing comprising the base film
Inventor: JI CHUNYAN
IPC: A61L15/42
Filed: 2018-11-23
Abstract: A base film for a dressing and a manufacturing method therefor, and a dressing comprising the base film. The base film (2) for a dressing comprises: a first zone (4), comprising a composite fiber network of a micrometer-sized fiber network and a nanometer-sized fiber network; and a second zone (3), comprising a micrometer-sized fiber network, the composite fiber network and the micrometer-sized fiber network being made of a polymer material. The dressing can be closely adhered to the skin without an adhesive layer, maintains good adhesion in a liquid environment, and has good breathability, thereby accelerating wound healing and avoiding bacterial infections, and can provide an observation window and in-situ detection of wound exudates, has low costs, and is environmentally friendly.
Patent WO-2019223313-A1 (WO)
Title: Personnel file establishment method and apparatus
Inventor: LI LAN
IPC: G06K9/00
Filed: 2018-12-28
Abstract: The embodiments of the present invention provide a personnel file establishment method and apparatus, said method comprising: determining face images of a plurality of personnel from a set of face images; obtaining basic information of each person; establishing a personnel file for each person, the personnel file of each person comprising a face image and basic information of said person. The embodiments of the present invention improve the usefulness of personnel files.
Patent WO-2019129274-A1 (WO)
Title: 测量参考信号的传输方法及装置
Inventor: ZHANG SHUJUAN
IPC: H04L5/00
Filed: 2018-12-29
Abstract: 本文公开了一种测量参考信号的传输方法，包括：根据接收的信令信息以及约定规则中的至少一个，得到测量参考信号对应的端口信息；依据所述端口信息传输所述测量参考信号。本文还公开了一种信令信息的发送方法及装置、信令信息的接收方法及装置、上行参考信号的传输方法、测量参考信号的传输装置、电子装置以及存储介质。
Patent WO-2020142902-A1 (WO)
Inventor: MENG XIANQIN
IPC: G01N21/17
Filed: 2019-01-08
Abstract: Fluid detection panels (100, 200) and a fluid detection device. The fluid detection panels (100, 200) comprise fluid drive substrates (110, 210), filter structures (122, 226), and sensors (130, 230). The filter structures (122, 226) are configured to filter light emitted from light sources (121; 221); the fluid drive substrates (110, 210) comprise detection regions (111, 211), and are configured to allow a liquid sample to be moved to the detection regions (111, 211); the sensors (130, 230) are configured to receive light emitted from the light sources (121; 221) and subsequently passing through the filter structures (122, 226) and the detection regions (111, 211). The fluid detection panels (100, 200) and the fluid detection device can be used for detection of the liquid sample.
Patent WO-2019237740-A1 (WO)
Title: Method, device, and apparatus for realizing application function, and storage medium
Inventor: Chai Qiaozi
IPC: H04L29/06
Filed: 2019-01-18
Abstract: Disclosed in an embodiment of the present invention are a method, device, and apparatus for realizing an application function, and a storage medium. The method is implemented in a service platform, and comprises: providing, to a registered entity, a published access interface of an application function; acquiring asset transfer transaction requests generated when other registered entities operate the access interface of the application function; and transmitting the asset transfer transaction requests to a blockchain network, and adding the same to a blockchain.
Patent WO-2019210733-A1 (WO)
Title: Method and device for segmenting network topology, and storage medium and electronic device
Inventor: NIU XIAOBING
IPC: H04L47/41
Filed: 2019-02-26
Abstract: Disclosed in the present invention are a method and device for segmenting a network topology, and a storage medium and an electronic device. The method comprises: receiving a topology segmentation request of a virtual network, wherein the typology segmentation request carries: identifier information of a specified virtual network to be segmented, a type of a segmentation line, and a position of the segmentation line; segmenting a traffic engineering (TE) typology of the specified virtual network according to the type of the segmentation line and the position of the segmentation line, wherein the specified virtual network comprises: a TE node and a TE link; and constructing a new virtual network typology according to the segmented TE node and the segmented TE link.
Patent WO-2020172906-A1 (WO)
Title: New-type pan-raf kinase inhibitor and use thereof
Inventor: Liu qing song
IPC: A61P35/00
Filed: 2019-03-07
Abstract: Provided in the present invention is a new-type pan-RAF kinase inhibitor, comprising a compound of formula (I) or a pharmaceutically acceptable salt, solvate, ester, acid, metabolite, or prodrug thereof. Also provided in the present invention are a use and method of the compound of formula (I) for preventing or treating disorders related to RAF and/or RAS kinase activity.
Patent WO-2020001084-A1 (WO)
Title: 一种在线学习的人脸识别方法
Inventor: LU SHENGLI
IPC: G06K9/00
Filed: 2019-03-18
Abstract: 一种在线学习的人脸识别方法，属于计算推算的技术领域，尤其涉及人脸识别的计算机视觉技术领域。该方法利用外部数据集训练人脸特征提取器，提取本地数据集中各成员对应的参考特征以构成参考特征空间，对比待测试样本的特征向量和参考特征以确定与待测试样本的特征向量最相似的参考特征，在与待测试样本的特征向量最相似的参考特征满足阈值要求时，以与待测试样本的特征向量最相似的参考特征所属成员的身份为待测试样本的身份，否则，返回待测试样本身份识别失败的消息，根据待测试样本的预测特征向量与其在参考特征空间中对应的真实特征向量的差异更新参考特征空间，适应人脸特征随时间推移发生的变化，尤其适合频繁变更成员的场合。
Patent WO-2019192335-A1 (WO)
Title: Relay transmission configuration method, and relay transmission method and apparatus for plc system
Inventor: ZENG YAN
IPC: H04W52/52
Filed: 2019-03-22
Abstract: Disclosed are a relay transmission configuration method, a relay transmission method and a related apparatus for a PLC system. In the present application, a domain master node schedules transmission slots in transmission time windows in different channel states, and notifies a relay node of the positions of the transmission slots and gain information associated with the transmission time windows where the transmission slots are located, so that the relay node performs analog relay processing during different time periods in the transmission slots by using the corresponding gain information, thereby ensuring that the transmission performance of a transmission path is optimal in different time windows and avoiding the degradation of the transmission performance caused by the use of fixed gain information in the transmission slots to perform relay processing by the relay node.
Patent WO-2020133756-A1 (WO)
Inventor: SUN WEI
IPC: B81C1/00
Filed: 2019-03-25
Abstract: 一种MEMS器件及一种MEMS器件制造方法，包括：形成CMOS电路（10）；以及在CMOS电路（10）上形成MEMS模块（20），CMOS电路（10）与MEMS模块（20）连接，用于驱动MEMS模块（20），其中，形成MEMS模块（20）的步骤包括：形成保护层（210）；在保护层（210）中形成牺牲层；在保护层（210）与牺牲层上形成第一电极（230），并形成第一电极（230）与CMOS电路（10）之间的电连接，第一电极（230）覆盖牺牲层；在第一电极（230）上形成压电层（240），压电层（240）与牺牲层的位置对应；在压电层（240）上形成第二电极（250），并形成第二电极（250）与CMOS电路（10）之间的电连接；在第一电极（230）上或保护层（210）形成到达牺牲层的通孔；以及经由通孔除去牺牲层形成空腔（260）。制造的MEMS器件灵敏度高同时又显著降低制造成本和改善工艺兼容性。
Patent WO-2019184893-A1 (WO)
Title: Wireless charging and power storage assembly for high-power mouse
Inventor: LIN YUCHENG
IPC: H02J7/02
Filed: 2019-03-26
Abstract: A wireless charging and power storage assembly for a high-power mouse, comprising a wireless power transmission module and a power receiving and storage module. The wireless power transmission module comprises an MCU, an alternating voltage boosting IC, a resonant circuit, and a monitoring unit. An MCU oscillation signal is sent to the alternating voltage boosting IC, and the alternating voltage boosting IC drives the resonant circuit to generate an induced electromagnetic field. The monitoring unit is connected to a pin of the MCU. The monitoring unit is one or a combination of a vibration sensing switch and an infrared transceiver. The power receiving and storage module comprises a power receiving and resonance circuit, a bridge rectifier circuit, a voltage stabilizing IC, multiple filter capacitors, a farad capacitor, a Zener diode, a Schottky diode, a voltage boosting and stabilizing IC, and an inductor. In the present utility model, a farad capacitor is used to store received electric energy, and the electric energy stored in the farad capacitor can be actively output, thereby ensuring normal use of a high-power wireless mouse in a non-powered area for a certain period of time. The present utility model is beneficial to the development of a high-power wireless mouse, especially a wireless gaming mouse.
Patent WO-2020210929-A1 (WO)
Title: Random access method and apparatus
Inventor: HONG WEI
IPC: H04W74/00
Filed: 2019-04-15
Abstract: The present disclosure relates to a random access method and apparatus. The method comprises: after sending a random access preamble, listening to a random access response message in a random access response window, the length of the random access response window exceeding a preset value, and the random access response message comprising a reserved bit, which is used to indicate the receiving end of the random access response message; and reading the value of the reserved bit in the random access response message; according to the value of the reserved bit, determining the receiving end of the random access response message; if determined that the receiving end is a first user equipment, sending a message 3 on the basis of the message content of the random access response message. When the length of the random access response window is larger than the length of a wireless frame, the technical solution of the present disclosure may achieve the unique identification of a user equipment that needs to receive RAR.
Patent WO-2020034653-A1 (WO)
Inventor: YANG KEN
IPC: F04B39/06
Filed: 2019-06-04
Abstract: La présente invention concerne un dispositif de gonflage doté d'un manchon de guidage d'air, comprenant un logement de machine (1), et un noyau de machine (2) et un moteur d'entraînement (3) qui sont logés dans le logement de machine (1). Le dispositif de gonflage comprend en outre un manchon de guidage d'air (7) et un ventilateur de refroidissement (6). Le manchon de guidage d'air (7) est pourvu d'un trou de guidage d'air (11) passant à travers le manchon de guidage d'air (7). Le moteur d'entraînement (3) comprend un corps principal (4), et un arbre (5) disposé de façon rotative au niveau du corps principal (4). Une extrémité de l'arbre (5) destinée à entraîner le noyau de machine (2) en déplacement fait saillie à partir du corps principal (4), et une autre extrémité de celui-ci destinée à être raccordée au ventilateur de refroidissement (6) fait saillie à partir du corps principal (4). Le manchon de guidage d'air (7) est pourvu d'un logement de fixation (8) et d'une bague de guidage d'air (9) raccordée au logement de fixation (8). Le logement de fixation (8) est monté sur le logement de machine (1) et/ou le moteur d'entraînement (3). La bague de guidage d'air (9) est emmanchée autour de l'extérieur du ventilateur de refroidissement (6) et est disposée autour du ventilateur de refroidissement (6). Le manchon de guidage d'air (7) est ajouté, de telle sorte que l'air extrait du logement de machine (1) par le ventilateur de refroidissement (6) en rotation s'écoule à travers le trou de guidage d'air (11), de façon à augmenter la pression et la vitesse de l'air s'écoulant à travers le noyau de machine (2) et le moteur d'entraînement (3), et à améliorer les performances de dissipation de chaleur du dispositif de gonflage. La bague de guidage d'air (9) est utilisée pour protéger le ventilateur de refroidissement (6) et pour empêcher un endommagement du ventilateur de refroidissement (6) provoqué par une collision.
Patent WO-2020133883-A1 (WO)
Inventor: GUO CHUNPENG
IPC: G02F1/13
Filed: 2019-05-14
Abstract: 本发明提供一种面板检测方法，包括：S10、提供一主机、至少两个光学探头；S20、主机发送点亮指令以及输入共电极电压给面板组；S30、光学探头分别检测面板组中任一面板的闪烁值并传回给主机；S40、主机判断闪烁值是否为最佳闪烁值。
Patent WO-2020052263-A1 (WO)
Inventor: JIANG LI
IPC: G06T7/00
Filed: 2019-05-17
Abstract: 一种纸张厚度的检测方法、装置、存储介质和处理器。该方法包括：获取目标纸张的第一厚度图像（S102）；从第一厚度图像中提取出第一厚度特征和第二厚度特征（S104），其中，第一厚度特征在第一厚度图像中的像素点的数量小于等于第一目标阈值，第二厚度特征在第一厚度图像中的像素点的数量大于第一目标阈值；对第一厚度特征中的多个像素点的灰度值，进行平均处理，得到第一灰度值（S106）；在第一灰度值小于第二厚度特征中的多个像素点的第二灰度值的情况下，确定目标纸张上与第二厚度特征对应的区域的厚度发生了变化（S108）。
Patent WO-2020215469-A1 (WO)
Inventor: CHEN JUNTAO
IPC: G01N33/00
Filed: 2019-06-19
Abstract: A simulation test method for directional drilling grouting slurry diffusion, the test system used therefor comprising a grouting test platform (1), a branch hole fracture simulation system, a control system, a grouting system, and a real-time monitoring system; by means of magnetically attaching a branch hole fracture grinding tool onto the test platform, multi-angle transformation of the body of the test platform can be implemented by means of rotating a rotating shaft, thereby achieving the simulation of different fracture types of the branch hole. Rock mass fractures under different branch hole layouts and hole spacings in directional drilling are pre-formulated, achieving rules of slurry diffusion under branch holes of different angles in directional drilling, simulating research into slurry diffusion rules under different fracture types, roughness, fracture opening, grouting pressure and slurry concentration in branch holes, achieving the effect of visualising slurry diffusion paths and ranges in branch drilling, and providing assurance for the visual study of the influential factors and rules of directional drilling grouting slurry diffusion.
Patent WO-2020252675-A1 (WO)
Title: 一种用于确定终端的紧急任务处理设备的方法及装置
Inventor: LIU DI
IPC: H04W4/90
Filed: 2019-06-19
Abstract: 本发明提供一种用于确定终端的紧急任务处理设备的方法及装置，若监控到第一紧急任务处理设备从可用于处理终端发起的紧急任务到不可用于处理终端发起的紧急任务，则从紧急任务处理设备组中选择至少一个第二紧急任务处理设备，以将处理终端发起的紧急任务的设备从第一紧急任务处理设备变更为第二紧急任务处理设备，实现根据第一紧急任务处理设备的状态动态调整用于处理终端发起的紧急任务的设备，避免紧急任务无设备处理的情况，提高紧急任务的服务等级。并且还可以将所选的的第二紧急任务处理设备的设备标识信息发送给终端，由此终端可以直接利用第二紧急任务处理设备的设备标识信息，降低任务的处理时间。
Patent WO-2020147278-A1 (WO)
Title: 一种柱塞泵的密封润滑结构
Inventor: ZHENG GUOZHANG
IPC: F04B53/10
Filed: 2019-07-16
Abstract: 一种柱塞泵的密封润滑结构，包括柱塞（1）、泵体（2）、工作缸孔道（3）、泵腔（3.1）、自由活塞（4）、润滑油腔（5.1）、环形润滑油槽（6）、油道（6.1）、进润滑油单向阀（7）、进液体单向阀（11）和出液体单向阀（13），其中自由活塞（4）装在工作缸孔道（3）内将工作缸孔道（3）分隔成为自由活塞（4）的一端与柱塞（1）之间的泵腔（3.1）及自由活塞（4）另一端的润滑油腔（5.1）；油道（6.1）的一端与润滑油腔（5.1）连通、另一端与环形润滑油槽（6）连通。
Patent WO-2021007780-A1 (WO)
Inventor: MU QIN
IPC: H04W72/00
Filed: 2019-07-16
Abstract: The present disclosure relates to a time interval determination method, a time interval indication method, a HARQ-ACK sending method, and a priority indication method. The time interval determination method comprises: receiving a plurality of SPS configurations, the periods of different SPS configurations being different; according to the periods, determining the time intervals between times of receipt at which PDSCHs of the SPS configurations are received to times of sending at which HARQ-ACKs corresponding to the PDSCHs are sent, wherein the periods are positively correlated with the time intervals. According to embodiments of the present disclosure, calculated time intervals are relatively short for a situation in which a period is short, and thus a HARQ-ACK may be sent to a base station as quickly as possible after a PDSCH is received so as to meet the requirements of a service having low delay on the delay of HARQ-ACK feedback.
Patent WO-2020103484-A1 (WO)
Inventor: ZHANG XIPING
IPC: A47J27/00
Filed: 2019-07-23
Abstract: Disclosed is a mechanism for controlling flow of fluid in a pot, comprising an inner pot (1) and a pot cover (2). An inner pot drainage hole (3) is arranged at the bottom of the inner pot (1), close to the edge; a valve mounting slot (4) is arranged at the bottom of the inner pot drainage hole (3) in the inner pot (1); a valve component (5) is mounted inside the valve mounting slot (4). A deflector rod movement hole (6) is arranged at the inner bottom of the pot cover (2), close to the edge; a limber hole (7) is formed at the right side of the deflector rod movement hole (6); a central separator (8) is arranged at the bottom of the pot cover (2); a motor (9) is arranged on an outer wall of the central separator (8) and is positioned under the deflector rod movement hole (6); the motor (9) is provided with a gear (10) at the top end of an output shaft at one side of the central separator (8); the gear (10) is in engagement driving with a rack (11); a deflector rod (12) in the pot cover (2) component moves back and forth to drive the valve in the inner pot (1) to open and close such that the inner pot drainage hole (3) is opened and closed for controlling the flow of the fluid in the pot. The described mechanism solves some problems in the prior art, such as incapability of controlling the flow of fluid in the pot as well as the leakage and permeation of the inner pot (1).
Patent WO-2021012213-A1 (WO)
Inventor: LIU JIYAN
IPC: H04W36/30
Filed: 2019-07-24
Abstract: The present disclosure provides a method at a first master node in dual connectivity. The dual connectivity involves a first Radio Access Technology (RAT) and a second RAT. The method includes receiving a first measurement report for the second RAT from a terminal device, and receiving a second measurement report for the first RAT from the terminal device. The method further includes receiving a secondary node reconfiguration message from a first secondary node. The secondary node reconfiguration message has been generated in response to the first measurement report. The method further includes sending a Radio Resource Control (RRC) Connection Reconfiguration message to the terminal device. The RRC Connection Reconfiguration message includes information on master node reconfiguration under the first RAT and information on secondary node reconfiguration under the second RAT. Therefore, the resource allocated to signaling messages may be reduced, and the burden on the terminal device may be alleviated.
Patent WO-2021016836-A1 (WO)
Inventor: DONG GUOBO
IPC: G06F3/0354
Filed: 2019-07-30
Abstract: 本申请提供的全固态电致变色手写板、手写笔、装置及方法，通过结合无机电致变色材料，通过外部电源在电接触的位置处形成电压差，进而通过离子层输出离子，从而使得电致变色材料在离子的作用下发生氧化还原反应而变色，进而实现写入功能。本申请至少提供了一种新的手写板的实现方式，并且成本低廉，制作方法简单，可以多次反复擦写，写入/擦除速率快，产品具有较高的使用寿命。
Patent WO-2020232846-A1 (WO)
Inventor: RAO ZHENWEN
IPC: A01G31/00
Filed: 2019-08-16
Abstract: 一种水培分栽辅助放根装置，包括底架（1）、反复水平移动机构（2）、顶升机构（3）和真空吸附机构（4），反复水平移动机构（2）设置在底架（1）上，顶升机构（3）与底架（1）滑动连接，反复水平移动机构（2）的输出端与顶升机构（3）固定连接，顶升机构（3）的输出端与真空吸附机构（4）固定连接。本装置通过反复水平移动机构推动其顶升机构带动真空吸附机构移动到栽培板上栽培孔的正下方，再通过其顶升机构驱动真空吸附机构向上升起，使其真空吸附机构输出端穿过栽培孔触碰到水培植物的根须将其吸附贴紧真空吸杆，再通过顶升机构收回，从而使其根须顺利通过栽培孔，不会卡在栽培板上，导致其根须腐烂，从而保证水培植物的稳定生长。
Patent WO-2020237863-A1 (WO)
Inventor: HU BIN
IPC: H02M1/42
Filed: 2019-08-26
Abstract: Provided are an operation control method and apparatus, and a circuit, a household appliance and a computer storage medium. The operation control method comprises: if the situation whereby an alternating-current power supply signal reaches any zero crossing point is collected, and an action signal meets a preset switching condition in a duration of the state of the action signal, switching the state of the action signal at the zero crossing point, wherein the state of the action signal comprises an output state and an output stop state. By means of the technical solution of the present disclosure, the output of an action signal in an intermittent oscillation mode is realized, so as to reduce the conduction power consumption of a PFC switch module in a drive control circuit; by means of executing, at a zero crossing point, a switching operation on an output state, the stability of a switching operation can be improved; and when the output of the action signal is stopped, the energy of an energy storage inductor on an output flow path can be effectively released to prevent there being impact on a switch tube.
Patent WO-2020052490-A1 (WO)
Title: Method and apparatus for controlling tester, medium and electronic device
Inventor: LU YUBIN
IPC: G01H11/06
Filed: 2019-09-05
Abstract: A method and apparatus for controlling a tester(300), related medium and electronic device are provided. The apparatus includes a vibration data collector(301) attached on a side wall of the tester(300) to collect vibration data from the tester(300) during operation thereof. The method includes: receiving the vibration data collected by the vibration data collector(301); comparing the vibration data with a predetermined threshold to generate a comparison result; and controlling an operating state of the tester(300) based on the comparison result. This method may timely identify any instability of the tester(300) and prompt for repair if necessary. It substantially reduces the time and material costs associated with a test, and thus reduces the non-chip-attributable defect rate.
Patent WO-2020063406-A1 (WO)
Inventor: LIU LIANG
IPC: H04W72/12
Filed: 2019-09-17
Abstract: L'invention concerne un procédé de planification de ressources, une station de base, un terminal, un dispositif de communication, et un support de stockage. Le procédé consiste à : recevoir des informations de demande de ressource envoyées par un dispositif terminal, les informations de demande de ressource étant utilisées pour demander la planification d'une ressource V2X d'un second système de communication ; et, pour le dispositif terminal, planifier la ressource V2X pour le second système de communication.
Patent WO-2021031300-A1 (WO)
Title: Local coulomb method for measuring biodegradable organic matter in water
Inventor: LIU HONG
IPC: G01N27/42
Filed: 2019-09-29
Abstract: Disclosed is a local coulomb method for measuring biodegradable organic matter in water. In the method, the point at which the voltage decreases the fastest is selected as a cut-off point for voltage collection, and the cut-off point is easily found and a measurement time can be greatly shortened, thereby improving operation efficiency; by means of a local coulomb method using the cut-off point selection method, the linear correlation between the value of oxygen consumption BOM Q1  in a measurement result and the concentration of a GGA standard solution for the culturing of electricigens is better, a more scientific, rational and accurate test method is provided for measuring biodegradable organic matter in water by means of a microbial fuel cell, and a new idea and direction are provided for the scientific control of water environment pollution.
Patent WO-2020155671-A1 (WO)
Inventor: GUO YUZHEN
IPC: G06K9/00
Filed: 2019-10-17
Abstract: 本公开的至少一实施例提供一种指纹识别结构以及显示装置。本公开的至少一实施例提供一种指纹识别结构，包括：超声波发射部(100)，包括沿平行于一平面(1001)的方向二维阵列排布的多个超声波发射单元(110)；以及超声波检测部(200)，包括沿平行于所述平面(1001)的方向二维阵列排布的多个超声波检测单元(210)。超声波发射部(100)和超声波检测部(200)为两个彼此独立的结构，且相邻两个超声波发射单元(110)在所述平面(1001)上的两个正投影之间包括至少一个超声波检测单元(210)在平面(1001)上的正投影。指纹识别结构包括的超声波发射部由多个超声波发射单元构成，每个超声波发射单元对应一定范围内的目标对象，不需要紧密排布，从而可以节省工艺和成本。
Patent WO-2021035916-A1 (WO)
Title: Method for coating and molding novel material layer structure of high-frequency circuit board and product thereof
Inventor: LI LONGKAI
IPC: H05K3/02
Filed: 2019-10-23
Abstract: A method for coating and molding a novel material layer structure of a high-frequency circuit board, comprising the following steps: (1) coating a synthetic liquid thin film on a copper foil; (2) sending same into a tunnel oven for baking and forming a cured thin film on the copper foil to obtain a single panel; (3) coating a layer of a synthetic liquid high-frequency material layer on the cured thin film; and (4) sending same into the tunnel oven for baking, and the synthetic liquid high-frequency material layer becoming a semi-cured high-frequency material layer (3) to obtain the novel material layer structure of the high-frequency circuit board. The novel material layer structure of the high-frequency circuit board prepared by using the described method has the performance of transmitting high-frequency signals at high speeds, may adapt to the current high-frequency and high-speed trend from wireless networks to terminal applications, and is especially suitable for novel 5G technology products; and may be used as a material for fabricating circuit boards such as single-layer circuit boards, multilayer flexible circuit boards and multilayer flexible and rigid combined boards, thereby making circuit board fabrication very convenient and simplifying the process.