baber/WOPTO huggingface dataset:
Patent WO-2021121061-A1 (WO)
Title: 用于设置虚拟对象的空间位置的方法和电子设备
Inventor: LI JIANGLIANG
IPC: G06T7/70
Filed: 2020-12-07
Abstract: 一种用于设置虚拟对象的空间位置的方法和电子设备，所述方法包括：确定要设置空间位置的虚拟对象；获得所述虚拟对象的初始空间位置；获得电子设备的位置信息，所述位置信息包括：所述电子设备在初始时刻的初始位置以及所述电子设备的新的位置，和/或，所述电子设备的位置变化信息；以及根据所述虚拟对象的初始空间位置、所述电子设备的初始位置、以及所述电子设备的新的位置来设置所述虚拟对象的空间位置，或者根据所述虚拟对象的初始空间位置以及所述电子设备的位置变化信息来设置所述虚拟对象的空间位置。
Patent WO-2021115335-A1 (WO)
Title: 作为周期蛋白依赖性激酶9抑制剂的化合物及其应用
Inventor: WANG ZHENYU
IPC: C07D401/04
Filed: 2020-12-09
Abstract: 一种式(I)所示的化合物或其可药用盐、其立体异构体、同位素衍生物或前药，其作为周期蛋白依赖性激酶9(CDK9)抑制剂，在治疗过度增殖性疾病方面具有优良的活性，细胞增殖的体外抑制以及体内抑瘤试验研究显示，这些化合物对MV4;11细胞及体内肿瘤模型具有较强的抑制作用，且选择性好，毒副作用低，作为新型抗肿瘤药具有较好的临床价值。
Patent WO-2021238171-A1 (WO)
Title: Image registration method and related model training method, device and apparatus
Inventor: XIE SHUAINING
IPC: G06T7/33
Filed: 2020-12-14
Abstract: An image registration method and a related model training method, device and apparatus. The method comprises: acquiring a real two-dimensional image and a reference two-dimensional image (S10); performing feature extraction on the reference two-dimensional image by using a virtual image feature extraction network of an image registration model to obtain a first virtual feature map, wherein the image registration model is pre-trained using a virtual image, the virtual image feature extraction network participates in pre-training, and the virtual image is generated on the basis of a virtual target (S11); performing feature extraction on the real two-dimensional image by using a real image feature extraction network of the image registration model to obtain a first real feature map, wherein the real image feature extraction network does not participate in the pre-training (S12); and adjusting network parameters of the real image feature extraction network by using the difference between the first real feature map and the first virtual feature map (S13).
Patent WO-2022068085-A1 (WO)
Inventor: DING CONG
IPC: E01H1/08
Filed: 2020-12-17
Abstract: 一种用于吹风装置的吹风头及具有其的便携可拆吹风装置。吹风头包括涡壳（4）、设置于涡壳（4）内的风扇单元，以及至少一个连接单元。风扇单元包括风扇（6）和增速传动单元（5）。连接单元包括驱动连接元件（51）。当吹风头可拆卸地安装到包括减速传动单元（3）的驱动装置上时，增速传动单元（5）通过驱动连接元件（51）与减速传动单元（3）实现动力耦合，使得驱动装置能够对增速传动单元（5）施加由减速传动单元（3）减速得到的第一转速，并实现以大于第一转速的第二转速驱动风扇（6）旋转。吹风头及吹风装置可解决吹风电动工具占用空间大以及功能单一的问题。
Patent WO-2021139500-A1 (WO)
Title: Mounting structure for optical assembly, and optical assembly
Inventor: ZHANG KUO
IPC: G02B7/02
Filed: 2020-12-17
Abstract: A mounting structure for an optical assembly, comprising a bracket (100), a first element mounting position (110) and a second element mounting position (120) opposite to each other being provided on the bracket (100); the first element mounting position (110) is provided with a first positioning mechanism (112) for positioning a first fly-eye lens, and the second element mounting position (120) is provided with a second positioning mechanism (121) for positioning a second fly-eye lens; the first positioning mechanism (112) comprises a first X-direction positioning boss (1121) and a first Y-direction positioning boss (1123), and the second positioning mechanism (121) comprises a second X-direction positioning boss (1212) and a second Y-direction positioning boss (1214); the first X-direction positioning boss (1121) and the second X-direction positioning boss (1212) correspond to each other in position and have the same size, and the first Y-direction positioning boss (1123) and the second Y-direction positioning boss (1214) correspond to each other in position and have the same size. Further provided is an optical assembly.
Patent WO-2021121354-A1 (WO)
Title: Apprentissage de renforcement profond basé sur un modèle pour une tarification dynamique dans une plateforme de voiturage en ligne
Inventor: TANG XIAOCHENG
IPC: G06Q30/06
Filed: 2020-12-18
Abstract: Une tarification dynamique peut être appliquée dans une plateforme de voiturage en ligne. Des informations peuvent être obtenues. Les informations peuvent comprendre un ensemble de candidats de tarification et un état initial d'une plateforme de voiturage. L'ensemble de candidats de voiturage peut être mis à jour sur la base de l'état initial de la plateforme de voiturage pour minimiser une entropie croisée entre l'ensemble de candidats de tarification et une politique de tarification cible qui rend maximal un revenu total de la plateforme de voiturage. Un prix pour au moins une demande courante de trajet en voiture sur la plateforme de voiturage peut être généré sur la base de l'ensemble de candidats de tarification mis à jour.
Patent WO-2021136016-A1 (WO)
Title: Synchronization signal detection method and apparatus, synchronization signal transmission method and apparatus, device, and storage medium
Inventor: WEI JIDONG
IPC: H04W24/02
Filed: 2020-12-22
Abstract: The present application provides a synchronization signal detection method and apparatus, a synchronization signal transmission method and apparatus, a device, and a storage medium. The method comprises: caching time domain data from a reception start point; performing detection on the time domain data to obtain synchronization signal frame boundaries, dividing results into groups, and determining a frame boundary for each group; determining, on the basis of the frame boundary of a group, a delay offset for a synchronization signal in the group, and using the delay offset as a coarse synchronization delay; performing synchronization detection on the synchronization signal, so as to obtain a synchronization detection result comprising an identifier, a fine synchronization delay and a power of the synchronization signal; and determining, on the basis of the coarse synchronization delay and the fine synchronization delay, an actual delay of the synchronization signal, and reporting and feeding back the actual delay, the identifier, and the power.
Patent WO-2021129753-A1 (WO)
Title: Srs传输方法、装置、设备、系统和存储介质
Inventor: XU HUIJUN
IPC: H04W4/33
Filed: 2020-12-24
Abstract: 本申请涉及一种SRS传输方法、装置、设备、系统和存储介质。基站为各射频拉远单元分配对应的待提取上行SRS符号的周期信息，和下行时隙参数，以使各射频拉远单元提取SRS符号，并将SRS符号插入到对应的下行子帧中，进而可通过对应的下行时隙将SRS回传给基站；各射频拉远单元与各下行时隙参数一一对应。基于此，多个射频拉远单元RRU同时接收上行时隙的SRS符号时，可将各自的SRS符号搬移到对应的下行时隙并重新排序，进而回传给基站分析；各射频拉远单元利用各自对应的下行时隙来回传SRS符号，使基站能够区分SRS的来源，解决多个射频拉远单元上SRS叠加而造成的信号失真的问题，达到基站对每个射频拉远单元的上行信道质量分别进行精确的性能评估和控制的目的。
Patent WO-2022048091-A1 (WO)
Inventor: HAN SHAOJIE
IPC: G06Q30/00
Filed: 2020-12-31
Abstract: An Internet-based commodity related information generation method and apparatus. The method comprises: after a verification request triggered by an enterprise is acquired, verifying information to be verified; after the verification is passed, generating commodity related information according to acquired commodity inspection data and commodity commitment data, wherein the commodity related information comprises a combination of one or more of an evaluation result (for example, a benchmarking evaluation result) corresponding to the enterprise, and/or, a code pattern identifier corresponding to the enterprise, and/or, comparison certificate information of the enterprise, commitment information of the enterprise, and verification information of the enterprise, and the code pattern identifier corresponding to the enterprise is used for accessing a combination of one or more types of information other than the code pattern information. By means of the intelligent commodity related information generation method, according to objective data of a commodity after verification and benchmarking, real, effective and intuitive commodity related information is generated for a consumer or purchaser to know and refer to, so as to realize optimal selection of commodities and high quality and favorable prices of manufacturers.
Patent WO-2022147850-A1 (WO)
Inventor: YUAN FANG
IPC: H04W72/04
Filed: 2021-01-15
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive at least one channel repetition of a plurality of channel repetitions, wherein the at least one channel repetition comprises an indication associated with a beam parameter. The wireless communication device may perform a wireless communication action based at least in part on a determination associated with the beam parameter, wherein the determination associated with the beam parameter is based at least in part on an identification of a reference repetition occasion of a plurality of repetition occasions corresponding to the plurality of channel repetitions. Numerous other aspects are described.
Patent WO-2021155769-A1 (WO)
Title: Order management and delivery method and system, and non-transient computer readable medium
Inventor: HUANG SHENG-CHE
IPC: G06Q10/08
Filed: 2021-02-01
Abstract: An order management and delivery method, comprising: a product order is received by means of a cloud server and transmitting a first confirmation label to a first electronic device; according to a shop code, the product name and the product quantity are transmitted to an electronic device of a merchant as order information, and the cloud server modifies an order state corresponding to the product order as a first state; when the cloud server receives the first confirmation information, the cloud server modifies the order state to a second state, and transmits a delivery label to the electronic device of the merchant; and a second confirmation label transmitted by a second electronic device is received by means of the cloud server, and whether the first confirmation label and the second confirmation label are the same is compared, and if the same, the cloud server modifies the order state as a third state. Thus, a more convenient service may be provided, the purchase intention of a user may be improved, and the entertainment value of a specific field may be improved.
Patent WO-2021155847-A1 (WO)
Title: Display apparatus and speaker
Inventor: YANG JIANXIN
IPC: H04N5/64
Filed: 2021-02-05
Abstract: Provided in the present application are a display apparatus and a speaker. The display apparatus comprises: a display panel, the display panel being used for displaying an image; a rear housing, the rear housing supporting the display panel, and the rear housing and the display panel enclosing to form a first accommodating cavity; and a speaker, the speaker being located within the first accommodating cavity, the speaker comprising a guiding member and a voice coil, and the guiding member being connected to the voice coil. The guiding member can experience elastic deformation along the axial direction of the voice coil when the voice coil vibrates. The speaker provided in the present application is thin and the display apparatus is thin.
Patent WO-2022170464-A1 (WO)
Inventor: Duan Maolin
IPC: F16F15/131
Filed: 2021-02-09
Abstract: 一种扭转振动减振器和机动车。扭转振动减振器包括同旋转轴线布置的初级质量和次级质量并且包括储能器（3），其中，初级质量和次级质量可以抵抗储能器（3）的作用受限地相对彼此转动，其中，初级质量和次级质量中的一者构造有用于在一侧支撑储能器（3）的支撑部，初级质量和次级质量中的另一者包括法兰（2），法兰（2）构造有用于在另一侧支撑储能器（3）的沿径向向外延伸的法兰凸出部（21），其中，法兰凸出部（21）的径向外表面和至少一个轴向端面通过弧面或斜面连接过渡。机动车包括上述扭转振动减振器。
Patent WO-2021208590-A1 (WO)
Title: Display device
Inventor: LIU DANJUAN
IPC: H05F1/00
Filed: 2021-02-19
Abstract: A display device comprises a housing (201), a backplane (202) located on the housing (201), a metal bezel (203) engaged with a side surface of the backplane (202), and a display module (204) and a display driver board (205) located on a side of the backplane (202) facing away from the housing (201). An insulation material layer (210) is provided between the backplane (202) and the display driver board (205), thus directly increasing path impedance for static electricity entering the display driver board (205) from the backplane (202). A side surface of the display module (204) is fixed to the metal bezel (203) via an insulation component (211), thus indirectly increasing path impedance for static electricity entering the display driver board (205) via the display module (204). In this way, most of the static electricity can be discharged by means of other small impedance paths, so as to reduce static electricity entering a signal ground plane, and to reduce jitter on a ground reference plane to an acceptable level for circuits, thereby improving electrostatic protection.
Patent WO-2022178732-A1 (WO)
Inventor: SUN HAIYANG
IPC: H04W56/00
Filed: 2021-02-24
Abstract: The present application provides a communication method. The method comprises: a first network element receives first data and a first timestamp from a first device, and the first network element caches, according to first time information, the first data till a first time point and then sends the first data. The first timestamp is used for indicating a time point when the first device sends the first data, the duration form the time point indicated by the first timestamp to the first time point is equal to the duration indicated by the first time information, the duration indicated by the first time information is equal to the duration from when the first network element receives second data to when the first device sends the second data, and the second data is data sent by the first network element to the first device.
Patent WO-2021213026-A1 (WO)
Inventor: HU XUN
IPC: A63F13/56
Filed: 2021-03-08
Abstract: La présente invention concerne un procédé et un appareil de commande d'objet virtuel, ainsi qu'un dispositif et un support de stockage. Le procédé consiste à : afficher une interface d'appariement, l'interface d'appariement comprenant un premier objet virtuel (301), au moins un deuxième objet virtuel (302) et une première commande (303) ; déterminer un objet virtuel cible à partir du ou des deuxièmes objets virtuels (302), marquer l'objet virtuel cible d'une manière prédéterminée ; recevoir un premier signal de déclenchement agissant sur la première commande (303) ; et en réponse au premier signal de déclenchement satisfaisant une condition de commande automatique, commander le premier objet virtuel (301) pour modifier une valeur d'attribut cible de l'objet virtuel cible à l'aide d'un accessoire virtuel. Selon le procédé, lorsqu'un utilisateur n'effectue pas une opération, l'objet virtuel cible sollicité par l'opération peut être connu au moyen d'une marque et si l'objet virtuel cible ne correspond pas à un objet attendu, l'objet virtuel cible peut être changé à l'avance au moyen d'autres opérations, de telle sorte que l'efficacité de commande et la précision de commande de l'objet virtuel soient améliorées.
Patent WO-2022188082-A1 (WO)
Inventor: XU FAN
IPC: B01J31/22
Filed: 2021-03-10
Abstract: L'invention concerne un procédé de mise en œuvre d'une réaction d'un composé d'isatine et d'un composé de cyclopropénone à une faible quantité catalytique. En présence d'un composé amine et d'un phosphite, le composé d'isatine et le cyclopropénone étant mis à réagir dans un solvant organique à l'aide d'un composé de silicium aminé de terres rares en tant que catalyseur pour synthétiser des composés de pyrano[2,3-b]indol-2-one. Dans la réaction ci-dessus, la quantité de catalyseur est peu élevée, et le métal noble n'est pas nécessaire pour la catalyse. Le présent procédé permet d'obtenir de manière efficace et simple le composé pyrano[2,3-b]indol-2-one.
Patent WO-2021218430-A1 (WO)
Title: 图像处理方法、装置和电子设备
Inventor: XU LIANG
IPC: H04N21/4788
Filed: 2021-03-11
Abstract: 本申请提供了一种图像处理方法、装置和电子设备，涉及图像处理技术领域。其中，所述图像处理方法，包括：获取视频信息；确定视频图层和视频流在视频图层上显示的位置信息；对视频图层上显示的视频流进行PQ增强；将PQ增强后的视频图层和指令图层进行叠加，然后发送至显示屏上显示。本申请在得到视频流和指令集后，确定视频流在该图层显示的位置信息后，对视频流进行PQ增强，根据位置信息和指令集转换的互动内容，将指令图层的特定位置设置为透明状态，并显示互动内容，然后将进行PQ增强后的视频图层和处理后的指令图层进行叠加显示，从而得到高图像质量和显示互动内容的视频，实现用户在观看高图像质量的视频同时，还可以看到交互信息。
Patent WO-2021190514-A1 (WO)
Inventor: DALFRA DAVIDE
IPC: G05D1/02
Filed: 2021-03-23
Abstract: 一种自动工作系统、自移动设备及其控制方法，包括自移动设备(400)，在用户设定的工作区域内自动行走和工作；磁性条体(2)配置为产生磁信号；自移动设备(400)包括：边界识别模块(401)，配置为识别所述工作区域的边界；磁感应模块(401)，配置为感应磁信号；控制模块(402)，配置为根据边界识别模块(401)识别到的边界，控制自移动设备(400)沿边行走，并在沿边行走的过程中若磁感应模块(401)感应到磁信号，则根据磁信号控制自移动设备(400)沿磁性条体(2)行走，可以实现充电站位置的多元化灵活设置。
Patent WO-2022193357-A1 (WO)
Inventor: HOU XINLAN
IPC: H01L29/872
Filed: 2021-03-29
Abstract: 提供一种肖特基二极管结构及其制造方法。肖特基二极管结构包括：半导体衬底层（100）；位于半导体衬底层（100）上的漂移层（200），漂移层（200）中具有背向半导体衬底层（100）一侧的多个间隔的凹槽(500)，多个凹槽(500)沿着第一方向排布；掺杂层（201），掺杂层（201）位于凹槽(500)沿着第一方向的同一单侧侧部的漂移层（200）中，掺杂层（201）的导电类型与漂移层（200）的导电类型相反；肖特基接触电极（300），位于漂移层（200）背向半导体衬底层（100）的一侧且填充在凹槽(500)中。提供的肖特基二极管结构导通电阻较低且维持器件较小的尺寸。
Patent WO-2022205318-A1 (WO)
Inventor: ZHANG YI
IPC: H04W16/10
Filed: 2021-04-01
Abstract: Methods and apparatus of enhanced Physical Downlink Control Channel (PDCCH) candidate monitoring are disclosed. The method includes: receiving, by a receiver, configurations of a plurality of search space sets that are linked for a Physical Downlink Control Channel (PDCCH) transmission with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted on a plurality of linked candidates; determining, by a processor, whether there is a collision between at least one of the linked candidates and a reserved resource; and providing, by the processor, a candidate monitoring scheme in response to a determination that a first candidate of the linked candidates collides with the reserved resource.
Patent WO-2022062363-A1 (WO)
Inventor: ZHOU XIANJUN
IPC: B65D81/18
Filed: 2021-04-06
Abstract: L'invention concerne un sac de masque à refroidissement rapide ou à chauffage rapide automatique, comprenant un corps de sac de masque, un matériau réfrigérant/matériau chauffant (8), un corps de masque (7) et une poche à eau scellée (6), une pièce formant diaphragme centrale (2) étant disposée au milieu de l'intérieur du corps de sac de masque, et l'espace interne du corps de sac de masque étant séparé, par la pièce formant diaphragme centrale (2), en une cavité de masque et une cavité de matériau scellées l'une vis-à-vis de l'autre, la poche à eau scellée (6) et le matériau réfrigérant/matériau chauffant (8) étant placés dans la cavité de matériau, et le corps de masque (7) étant placé dans la cavité de masque.
Patent WO-2021213314-A1 (WO)
Inventor: LENG YING
IPC: G06F16/36
Filed: 2021-04-19
Abstract: The present invention relates to the field of information technology. Provided are a data processing method and device, and a computer readable storage medium. The data processing method comprises: performing analysis on a query sentence input by a user, and obtaining a medical entity to be searched and a medical relationship to be searched; querying a pre-established medical knowledge graph using the medical entity to be searched and the medical relationship to be searched, and obtaining a target medical entity, wherein nodes of the medical knowledge graph are respective medical entities, sides of the medical knowledge graph are medical relationships between the respective medical entities, the respective medical entities include the medical entity to be searched and the target medical entity, and the medical relationships between the respective medical entities include the medical relationship to be searched; and outputting an answer sentence according to the target medical entity. The method of the present invention enables automatic answering for medical knowledge, thereby automatically providing a user with a scientifically reasonable medical suggestion and medical recommendation.
Patent WO-2022222212-A1 (WO)
Title: Multifunctional waterproof electronic switch having lamp
Inventor: XU MINGXIAN
IPC: H01H13/36
Filed: 2021-05-19
Abstract: A multifunctional waterproof electronic switch having a lamp, comprising a structure body. The structure body comprises a base (1) and an upper cover (5) which are connected in a clamping manner; an LED patch (2) is provided in the center of the base (1), an elastic sheet (3) is arranged above the LED patch (2) in a covering manner, a key (4) is arranged above the elastic sheet (3) in a covering manner, and the upper cover (5) is located above the key (4); the elastic sheet (3) is a four-jaw elastic sheet; and the base (1) consists of a hardware terminal and a plastic part. According to the technical solution, the waterproof function of IP67 can be achieved, the problem of failure caused by a flux flowing into the switch in a reflow soldering process can be solved, the production efficiency and the yield can be improved, and the purpose that an LED achieves a full-color function can be achieved.
Patent WO-2021233437-A1 (WO)
Title: Display device
Inventor: LIU XIAOWEI
IPC: H01L27/12
Filed: 2021-05-21
Abstract: Disclosed in the present application is a display device, comprising a plurality of pixel units. Each pixel unit comprises a display region and a light-transmitting region. A miniature light emitting diode having a small size and high brightness is provided in the display region, and a large number of regions can be set as light-transmitting regions. Electrochromic devices are provided in the light-transmitting regions. The electrochromic devices are in a transparent state when a transparent display device is switched to a transparent display mode, and are in a black opaque state when the transparent display device is switched to a normal display mode. In the transparent display mode, the electrochromic devices become transparent, so that most of the area in each pixel unit can transmit ambient light, thereby improving the transmittance of the ambient light; in the normal display mode, the electrochromic devices become pure black, so that the display contrast can be greatly increased, thereby improving the display quality.
Patent WO-2022037185-A1 (WO)
Title: 驱动组件、马达及终端
Inventor: XING ZENGPING
IPC: H02N2/02
Filed: 2021-06-04
Abstract: 本申请涉及电子产品技术领域，尤其涉及一种驱动组件、马达及终端，该驱动组件包括主动件和从动件，主动件包括激振部、振动部、第一固定部和推动部；振动部与激振部连接；第一固定部与振动部连接，沿第一方向L，振动部位于激振部和第一固定部之间；推动部与振动部和从动件连接；激振部能够振动，且激振部能够带动振动部动作，且在第一固定部的限制下，振动部至少能够沿第一方向L和第二方向W振动；其中，第一固定部用于通过振动部限制推动部在第一方向L和第二方向W的移动距离。利用本申请提供的驱动组件、马达及终端，在能够使马达微型化的基础上，驱动时，能够使驱动组件在不同模态下运动的稳定性更好，提高运动的精度，延长使用寿命。
Patent WO-2022256959-A1 (WO)
Inventor: YANG MING
IPC: F21S9/03
Filed: 2021-06-07
Abstract: 一种分合一体太阳能墙灯，包括太阳能板（1）、灯头（2）和墙灯主体（3）。太阳能板（1）固定在墙灯主体（3）上；灯头（2）与墙灯主体（3）为可拆卸固定连接；墙灯主体（3）与安装固定在墙面上的固定底座（4）通过支架（422）、支架旋转连接件（410）及旋转固定手扭螺丝（411）连接，使得太阳能板能够进行任意角度的调节。
Patent WO-2022257055-A1 (WO)
Title: Retractable video acoustic device able to realize stereo sound emission environment
Inventor: ZHU BIAO
IPC: H04R3/00
Filed: 2021-06-10
Abstract: The present application relates to a video acoustic device that is able to realize a stereo sound emission environment. The acoustic device comprises a box body, and a main loudspeaker (1), a left loudspeaker (2), and a right loudspeaker (3) are provided in the box body; an opening (8) is provided at each of the left and right sides of the box body, the openings (8) allow the left loudspeaker (2) or the right loudspeaker (3) to go in to or come out of the box body, and the left loudspeaker (2) and the right loudspeaker (3) can enter or leave the box body by means of a movement mechanism, thereby adjusting the width of a sound field, and thus a stereo sound emission environment is realized. The present implements the main loudspeaker as a video entertainment terminal and a super bass sound emission unit, and implements left and right sound channel loudspeakers as independent box bodies that may be extended or retracted to two sides, so as to adjust the width of a sound field, thereby realizing a stereo sound emission environment.
Patent WO-2022110774-A1 (WO)
Inventor: LIU HAIYANG
IPC: H01J37/32
Filed: 2021-06-17
Abstract: 一种双壁多结构石英筒装置，属于离子束刻技术领域。具体包括石英筒外壁，石英筒外壁内设有至少一个石英筒内衬，且二者轴心线重合，石英筒内衬与石英筒外壁之间连接有石英筒内衬支撑。石英筒外壁与所述石英筒内衬的底部连接栅网，刻蚀副产物会通过栅网的空隙绝大部分溅射到石英筒内衬的内表面，较少的刻蚀副产物会附着在石英筒外壁的内壁上，因此射频整体回路受沾污影响大大降低，换而言之刻蚀速率受沾污影响大幅度减轻，增加了石英筒装置的使用寿命，减少了刻蚀成本，增加了离子束刻蚀的MTBC时间。