baber/WOPTO huggingface dataset:
Patent NZ-759033-A (NZ)
Title: Container with liner
Inventor: PAUL TYE
IPC: B65D21/02
Filed: 2019-08-06
Abstract: A container 5 for holding and heating a food product. The container 5 can comprise a base layer 7 and a liner 9 at least partially attached to an inner surface of the base layer 7, a flange comprising a central panel 11 of the base layer 7, an opening extending in the central panel 11, and a sidewall 53 comprising a pair of end panels 13, 17 and a pair of side panels 21, 25. The end panels 13, 17 are foldably connected to the central panel 11 along fold lines 15, 19 extending along the opening, and the side panels 21, 25 are foldably connected to the central panel 11 along fold lines 23, 27 that are spaced apart from the opening.
Patent NZ-779569-A (NZ)
Title: Integrated circuits including memory cells
Inventor: GARDNER JAMES MICHAEL
IPC: B41J2/045
Filed: 2019-02-06
Abstract: An integrated circuit to drive a plurality of fluid actuation devices includes a plurality of memory cells, a select circuit, configuration logic, and control logic. Each memory cell corresponds to a fluid actuation device. The select circuit selects fluid actuation devices and memory cells corresponding to the selected fluid actuation devices. The configuration logic enables or disables access to the plurality of memory cells. The control logic either activates the selected fluid actuation devices or accesses the memory cells corresponding to the selected fluid actuation devices based on a state of the configuration logic.
Patent PT-103332-A (PT)
Title: Sistema de biossorção produzido a partir de biofilmes suportados em zeólito faujasite (fau), processo para a obtenção e sua utilização na remoção de crómio hexavalente (cr(vi))
Inventor: SIMOES CAMPOS TAVARES MARIA THERESA
IPC: C02F1/42
Filed: 2005-08-12
Abstract: A PRESENTE INVENÇÃO REFERE-SE A UM SISTEMA DE BIOSSORÇÃO COMPOSTO POR UM BIOFILME BACTERIANO SUPORTADO EM ZEÓLITOS SINTÉTICOS, COM UTILIZAÇÃO EM VÁRIOS TIPOS DE INDÚSTRIAS PARA REMOÇÃO DO CRÓMIO HEXAVALENTE, ATRAVÉS DA RETENÇÃO DOS IÕES METÁLICOS NO BIOFILME, EM SOLUÇÕES COM CONCENTRAÇÕES ENTRE 50 E 250 MGCR/L, PROCESSO PARA A SUA OBTENÇÃO E RESPECTIVAS UTILIZAÇÕES. ESTE PROCESSO CONSISTE NA OBTENÇÃO DE UM BIOFILME BACTERIANO DE ARTHROBACTER VISCOSUS, SUPORTADO NUM ZEÓLITO FAUJASITE (FAU). O BIOFILME PROMOVE A REDUÇÃO DE CR(VI) A CR(III) E, POSTERIORMENTE, O CR(III) É FIXADO NO ZEÓLITO POR PERMUTA IÓNICA. VÁRIAS TÉCNICAS DE CARACTERIZAÇÃO, COMO MÉTODOS ESPECTROSCÓPICOS (FTIR E ICP-AES), ANÁLISE SUPERFICIAL (XRD E SEM) E ANÁLISE TÉRMICA (TGA), DEMONSTRAM QUE O PROCESSO DE BIOSSORÇÃO NÃO MODIFICA A MORFOLOGIA OU ESTRUTURA DO ZEÓLITO FAU. O SISTEMA DE BIOSSORÇÃO, E RESPECTIVO PROCESSO DE FIXAÇÃO DE CRÓMIO HEXAVALENTE EM ZEÓLITOS FAUJASITE (FAU), PODE SER APLICÁVEL AO TRATAMENTO DE ÁGUAS RESIDUAIS, INDUSTRIAIS, MINEIRAS OU AGRÍCOLAS, PARA REMOÇÃO DO CRÓMIO HEXAVALENTE.
Patent PT-105555-A (PT)
Title: Metodologia de marcação de neurónios e suas aplicações
Inventor: PINTO LUISA ALEXANDRA MEIRELES
IPC: G01N33/53
Filed: 2011-03-03
Abstract: A PRESENTE INVENÇÃO REFERE-SE A UMA METODOLOGIA DE MARCAÇÃO DE NEURÓNIOS, QUE COMBINA SIMULTANEAMENTE IMUNOHISTOQUÍMICA PARA BROMODIOXYURIDINA (BRDU) COM A TÉCNICA DE IMPREGNAÇÃODE GOLGI-COX EM NEURÓNIOS. COM A METODOLOGIA DA PRESENTE INVENÇÃO, CONSEGUE-SE DETERMINAR A ESTRUTURA TRIDIMENSIONAL DA ARBORIZAÇÃO DENDRÍTICA DE NEURÓNIOS E A FORMA DAS ESPINHAS, ESPECIFICAMENTE EM NEURÓNIOS FORMADOS DE NOVO NO HIPOCAMPO DE ANIMAIS ADULTOS EM CONDIÇÕES FISIOLÓGICAS E PATOLÓGICAS, COMO POR EXEMPLO A DEPRESSÃO. A PRESENTE INVENÇÃO TEM APLICAÇÃO NA ÁREA DAS NEUROCIÊNCIAS.
Patent PT-106488-A (PT)
Title: Condutores mistos do tipo iónico-iónico, síntese de tais condutores por solidificação direcional e seu uso
Inventor: COSTA FLORINDA MENDES DA
IPC: C01G25/00
Filed: 2012-08-06
Abstract: OS CONDUTORES MISTOS DO TIPO IÓNICO-IÓNICO DESTA INVENÇÃO SÃO CERÂMICOS EUTÉCTICOS REPRESENTADOS PELA FÓRMULA (BAZR1-XMXO3-X/2)1-Z(ZR1-YMYO2-Y/2)Z EM QUE M É PELO MENOS UM ELEMENTO SELECIONADO DO GRUPO DOS ELEMENTOS TERRAS-RARAS, Y, SC, GA, AL E IN COM 0,03  X  0,20 E 0,03  Y  0,20, E Z SENDO TAL QUE A RAZÃO TOTAL DE BA EM RELAÇÃO A ZR NO COMPÓSITO EM FRAÇÕES MOLARES É DE 0,21:0,79  BA:ZR  0,29:0,71. ESTES MATERIAIS EXIBEM UMA MORFOLOGIA DO TIPO EUTÉCTICA COMPOSTA POR UMA MISTURA DE UMA FASE CONDUTORA DE PROTÕES (BAZR1-XMXO3-X/2) E UMA FASE DE ÓXIDO CONDUTORA DE IÃO DE OXIGÉNIO (ZR1-YMYO2-Y/2), QUE SÃO RESPONSÁVEIS PELO COMPORTAMENTO CONDUTOR MISTO DO TIPO IÓNICO-IÓNICO DOS COMPÓSITOS. ESTES CONDUTORES MISTOS DO TIPO IÓNICO-IÓNICO SÃO SINTETIZADOS POR UM MÉTODO DE SOLIDIFICAÇÃO DIRECIONAL REFERIDO COMO FUSÃO DE ZONA COM LASER (FZL), PERMITINDO O CRESCIMENTO SIMULTÂNEO DAS FASES CONDUTORAS PROTÓNICA E IÃO OXIGÉNIO SEM FRONTEIRAS DE GRÃO, UM PROBLEMA ATÉ AGORA NÃO RESOLVIDO POR TÉCNICAS DE SÍNTESE DE TECNOLOGIA DE PÓS CONVENCIONAIS.
Patent RU-94020875-A (RU)
Inventor: MULLOV V M
IPC: C22B11/00
Filed: 1994-06-07
Abstract: FIELD: hydraulic metallurgy of noble metals, in particular, gold recovery from gold bearing products. SUBSTANCE: line for processing gold bearing flotation concentrates includes module of precyanidation, module of gold sorption by activated charcoal, module of gold desorption from saturated charcoal, module of charcoal regeneration, and module of electrolyzing of gold bearing solutions with all modules interrelated with conveying means. The line is provided with module of gravitation-flotation recleaning of initial concentrate placed at line start, module of intensive leveling of recleaned concentrate placed downstream of the module of gravitation-flotation recleaning and module of secondary gold concentration placed upstream of module of electrolyzing of gold bearing solutions. In so doing, module of gravitation-flotation recleaning is connected to module of precyanidation through transportation means of recleaned products. Transportation means of recleaning concentrate cakes as a product of its cyanidation are used to close module of gravitation-flotation recleaning through module of intensive cyanidation. Module of intensive cyanidation is connected to module of electrolyzing through means of transportation of gold bearing solutions. Module of secondary gold concentration is connected to module of precyanidation through transportation means for metal free solution. Transportation module of gold bearing solutions and charcoal is connected to desorption module. Desorption module is connected to module of secondary gold concentration through module of electrolysis and transportation means of metal free solutions. Desorption module is connected to module of gold sorption through module of charcoal regeneration. EFFECT: highly effective processing.
Patent RU-94021123-A (RU)
Inventor: BADMAEVA I A
IPC: H01L31/18
Filed: 1994-06-14
Abstract: FIELD: semiconductor technology. SUBSTANCE: process relates to semiconductor technology and can be used in manufacture of single or multielement photoreceiving devices. It consists in depositon on semiinsulating GaAs substrate of sequence of layers: conductive n+GaAs layer, multilayer periodic GaAs/AlGaAs structure and second n+GaAs layer followed by etching of upper conductive n+GaAs layer and of multilayer heterostructure in aqueous solution of hydrogen peroxide. Tunnel-thin stop-layer of AlAs 2-5 nm thick is deposited between conductive n+GaAs layer nearest to substrate and multilayer periodic structure. Etching is conducted at 20-22 C in solution carrying in addition organic acid. In the capacity of organic acid there is used tartaric acid with following proportion of components, wt.-%: tartaric acid, 35-45; hydrogen peroxide, 5-10; water, the balance, or lactic acid with following proportion of components, wt.-%: lactic acid, 25-35; hydrogen peroxide, 5-10; water, the balance. EFFECT: increased accuracy of etching while manufacturing photoreceiving elements, enhanced output of articles, reduced cost of photoreceiving elements.
Patent RU-94021181-A (RU)
Inventor: KOLIN N G
IPC: C30B15/00
Filed: 1994-07-07
Abstract: FIELD: chemical technology. SUBSTANCE: product: triple semiconductive compound of the formula ABC. Method ensures to obtain silver selenogallate crystals (diameter is 40 mm, length is 100 mm) showing the following parameters: transmission range is 0.725-18.0 mcm; forbidden zone width is 1.83 eV, and angle of phase coordination is 46-48 degrees. Proposed method is based on the monocrystal preparing showing directed smelt crystallization at temperature gradient near the crystallization front. Directed crystallization is carried out by monocrystal stretching out on the seeding from the smelt in crucible at temperature gradient 170-190 degrees/cm at constant stoichiometric composition of the growing monocrystal at the rate 3-4 mm/hr. Prepared silver selenogallate crystals were used in nonlinear optics. EFFECT: high quality of large monocrystal prepared.
Patent RU-94031158-A (RU)
Inventor: KATSUKHIRO MASAKI
IPC: A61K9/20
Filed: 1992-12-15
Abstract: FIELD: pharmacy. SUBSTANCE: product: solid preparation soluble into mouth cavity. Preparation consists of lactose and/or mannitol and 0.1-1.2 weight % (as measured for sugar) agar and active component at density 400-1000 mg/ml and required strength. Preparation shows practical solubility into mouth cavity of old men and child in order to avoid some difficulties in the process of preparation administration by orally route. EFFECT: enhanced strength of preparation.
Patent RU-94038469-A (RU)
Inventor: ZOTOV V JU
IPC: A61B17/00
Filed: 1994-10-10
Abstract: FIELD: medicine. SUBSTANCE: method involves performing physiological epileptic focus resection and applying autogel containing spasmolytic agent to resected focus bed and the adjacent zones retaining epileptic activity. EFFECT: enhanced effectiveness of treatment.
Patent RU-94044433-A (RU)
Inventor: UL F MISSLITTS
IPC: C07D333/22
Filed: 1993-01-30
Abstract: FIELD: agriculture. SUBSTANCE: oxime ether fragment of desired mixture has formula Iwhere Ris C-C-alkyl; X is NO, CN, halide, C-C-alkyl, C-C-alkyl halide; n=0-3 or 1-5 if all substituents X represent halide; Ris C-C-alkoxy-C-C-alkyl, C-C-alkylthio-C-C-alkyl, at definite conditions substituted C-C-cycloalkyl, at definite conditions substituted C-C-cycloalkenyl, at definite conditions substituted 5-membered saturated heterocycle which contains 1 or 2 atoms of oxygen and/or sulfur, at definite conditions substituted 6- or 7-membered heterocycle having 1 or 2 adjacent atoms of oxygen and/or sulfur which may be saturated or single- or double unsaturated, at definite conditions substituted 5-membered heteroaromatic hydrocarbon containing 1-2 atoms of nitrogen and one atom of oxygen or of sulfur, phenyl or pyridyl, both of which may have additionally 1-3 substituents, namely: halide, NO,, CN, alkyl, alkoxy, alkylthio, alkyl halide, alkenyloxy, alkynyloxy and/or -NRRwhere Rrepresents H, alkyl, alkenyl or alkynyl and Rrepresents H, alkyl, alkenyl, alkynyl, acyl or at definite conditions substituted benzoyl. Mixture of optically active cyclohexene oxime ethers having R- and S-configuration together with acceptable in agriculture salts and esters of C-C-carboxylic acids and inorganic acids of compound having formula I is proposed as herbicide composition. Said mixture contains at least 75 mol % of isomers having R-configuration. EFFECT: improves quality of desired product, improves efficiency of method.
Patent RU-95100889-A (RU)
Inventor: BORDACHEV E F
IPC: F16G11/12
Filed: 1995-01-20
Abstract: FIELD: mechanical engineering. SUBSTANCE: turnbuckle comprises housing 1 wherein screw rods 2,3 are received. Rod 5 is screwed on screw rod 3. Housing 1 is provided with ring cutter 6 having a sharp edge over periphery. Ring cutter 6 is rigidly secured to housing 1, conjugated with rod 5, and fixed against rotation about rod 5 by way of a pin. Rod 5 is provided with longitudinal projections uniformly arranged over periphery and longitudinal groove 14 for interaction with the pin. Ring cutter 6 is mounted on rod 5 to allow the cutting edge to abut against the end faces of the longitudinal projections. In accident, under the action of an external force, the cutter moves along rod 5, abuts against the longitudinal projections, and cuts a chip with its cutting edge. EFFECT: decreased overloads. 2 cl, 3 dwg
Patent RU-95101364-A (RU)
Inventor: KOLESNICHENKO S V
IPC: G01S19/01
Filed: 1995-01-31
Abstract: FIELD: rocket engineering, topographic and geodetic referencing and guidance of high-precision missiles by signals of spacecraft. SUBSTANCE: main point of invention lies in usage of signals of system of navigational spacecraft for accurate location of high-precision missiles, for their orientation in space and for azimuthal guidance to target which is what is new. Realization of proposed method in missile complexes does not cause any principal difficulties as algorithm of computation process is rather simple. EFFECT: expanded capabilities of method of determination of coordinates of location with the aid of system of navigational spacecraft for prelaunch alignment of high-precision missiles, reduced time for preparation and launch of these missils.
Patent RU-95103531-A (RU)
Inventor: KHRIPUNOV A A
IPC: B60G21/00
Filed: 1995-03-14
Abstract: FIELD: transport engineering; fighting vehicles. SUBSTANCE: intercoupled hydropneumatic suspension of known design version has hydraulic cylinders, spherical cylinders, rods with pistons and connecting channel. To provided selection of operating modes of spring system, screw, bushing unit, power drive and power pistons with rods are introduced additionally into hydropneumatic suspension. Proposed invention can be used in designing and modification of wheeled vehicles. EFFECT: enhanced maneuverability, cross country capacity and steerability of vehicles under various conditions owing to possibility of selecting modes of operation of suspension systems.
Patent RU-95106236-A (RU)
Inventor: MAKEEV V A
IPC: B60P1/38
Filed: 1995-04-19
Abstract: FIELD: mining industry; rail cars. SUBSTANCE: mine self-propelled car has running gear with fitted on body. Scraper on conveyor is mounted on body bottom. Cleaners-deflectors are installed on conveyor driving sprockets. Chain driving strands move along open-type guides made over entire length of body. Such design of conveyor precludes accumulation of separate fractions of transported material on guides which leads to wedging of chain, violation of meshing, intensive wear and breakage of chain. Mine self-propelled car can be advantageously used for transportation of abrasive hard rock. EFFECT: enlarged operating capabilities.
Patent RU-95112469-A (RU)
Inventor: TEN KHOVE DIRK
IPC: B01F3/04
Filed: 1993-10-11
Abstract: FIELD: waste disposal plants. SUBSTANCE: method is distinguished with that interface between air and waste water is enlarged by way of blade-assisted sprinkling of water while solids contained in waste water are suspended by means of creating in water currents and/or turbulency. Waste water is set in motion by displacement therein of circularly arranged blades in such a way that connectors between the blades are not immersed into waste water. Apparatus for aeration of waste water has a container for waste water and rotatably installed rotor whose lower part may pass through waste water. Rotor has blades with surfaces oriented in radial and axial directions and which are at least partially placed below rotor blade connectors so preventing them from immersion into waste water. EFFECT: intensified aeration process owing to enlarged air- waste water interface.
Patent SA-98180856-A (SA)
Inventor: MCCLURE KIM FRANCIS
IPC: A61K31/496
Filed: 1998-02-15
Abstract: مركب من الصيغةحيث R9 ،R8 ،R7 ،R6 ،R5 ،R4 ،R3 ،R2، R1 و Q كماهم موضحين أعلاه، مفيد فى علاج حالة منتقاة من المجموعة المكونة من إلتهاب المفاصل، السرطان، تقرح النسيج، تحلل بؤرة العين، إعادة الضيق، مرض الأسنان، تحلل الجلد الفقاعى، إلتهاب الصلبة وأمراض أخرى نتسم بنشاط محلل بروتين فلزى لنسيج الأرضية، إيدز، تعفن، صدمة تعفنية وأمراض أخرى تتضمن إنتاج TNF. بالإضافة، فإن مركبات الإختراع الحاضر قد تستخدم فى علاج إتحادى مع أدوية مضادة للإلتهاب غير إستيرويدية أساسية (NSAID'S) ومسكنات، وفى إتحاد مع أدوية سامة للخلية مثل أدرياميسين، دونوميسين، ثيس - بلاتين، إتوبوسيد، تاكسول، تاكسوتير وألكالويدات أخرى، مثل فينكرستين، فى علاج السرطان.
Patent SA-99200573-A (SA)
Inventor: LUNDGREN ANNA
IPC: A61J1/14
Filed: 1999-09-14
Abstract: عبوة أساسية تحتوى على مثبط للثرومين يعتمد على بيبتيد ذي وزن جزيئي منخفض تغلق بأحكام بسداده مطاطية أو غطاء من مطاط البرومو بيوتيل .
Patent TW-200300576-A (TW)
Title: Abrasion method for a semiconductor wafer
Inventor: TAIRA TSUTOMU
IPC: H01L21/304
Filed: 2002-11-21
Abstract: This invention provides an abrasion method for a semiconductor wafer by which abrasive material and abrasive waste can hardly be remained in step portions such as recesses formed on the surfaces of a wafer. According to this invention, a surface, to be abraded, on a semiconductor wafer 101 is first formed thereon a protection layer 3 of surface active agent and then abraded. Next, cleaning liquid 4, that restrains the dissolution of the surface of the semiconductor wafer 101 but dissolves the protection layer 3 only, is adopted to clean the semiconductor wafer 101. By thus, it is possible to reliably remove those abrasive material and abrasive waste that attach, together with the protection layer 3, to the semiconductor wafer 101 through the protection layer 3.
Patent TW-200408938-A (TW)
Title: Method for recording test procedure
Inventor: HUANG KUEN-HUNG
IPC: G06F11/34
Filed: 2002-11-28
Abstract: The present invention provides a method for recording test procedure. A signal transmitting device and a storage device are arranged on the circuit board of an electronic device. A recording procedure is configured between any two test procedures of power-on self test of the electronic device. When starting to perform power-on self test, the electronic device executes the recorded procedure after executing a test procedure at each time to sequentially transmit, via the signal transmitting device, the testing code of the test procedure executed by the power-on self test to the storage device for being stored as a testing record.
Patent TW-200404512-A (TW)
Title: Aberration and corneal topography measurement
Inventor: ROSS DENWOOD F
IPC: A61B3/10
Filed: 2003-01-29
Abstract: A method and apparatus for measuring with a single device both the aberrations introduced by an eye and the topography of the cornea of the eye. The method includes determining aberrations within a wavefront created by reflecting a beam off the retina of an eye, determining the corneal topography of the eye from a pattern reflected by the cornea, and directing the beam, wavefront, and reflected pattern using a combiner/separator. The apparatus includes a source for generating the beam for producing the wavefront exiting the eye and a first imaging device for receiving the wavefront to determine aberrations, a projector for projecting the pattern onto the cornea for reflection by the cornea and a second imaging device for receiving the reflected pattern to determine corneal topography, and a combiner/separator for directing the beam, wavefront, and reflected pattern.
Patent TW-200302932-A (TW)
Title: Groove waveguide with reduced output divergence
Inventor: AGUROK IL YA
IPC: G02B6/10
Filed: 2003-02-06
Abstract: A waveguide includes a longitudinal structure having a first end opposite a second end. The waveguide further includes a grooved surface formed on the structure adjacent the first end. The geometric size of the longitudinal structure is substantially constant while the grooved surface reshapes a light input ray to decrease the divergence of the ray in the vertical direction and increase the divergence of the ray in the horizontal direction.
Patent TW-200303700-A (TW)
Title: Fabrication system and a fabrication method of a light emitting device
Inventor: YAMAZAKI SHUNPEI
IPC: C23C14/24
Filed: 2003-02-24
Abstract: An evaporation apparatus with high utilization efficiency for EL materials and excellent film uniformity is provided. The invention is an evaporation apparatus having a movable evaporation source and a substrate rotating unit, in which the space between an evaporation source holder and a workpiece (substrate) is narrowed to 30 cm or below, preferably 20 cm, more preferably 5 to 15 cm, to improve the utilization efficiency for EL materials. In evaporation, the evaporation source holder is moved in the X-direction or the Y-direction, and the workpiece (substrate) is rotated for deposition. Therefore, film uniformity is improved.
Patent TW-200420476-A (TW)
Title: Outer packing structure for identifying the correct direction of putting on a condom
Inventor: ZHUANG NENG-FU
Filed: 2003-04-15
Abstract: This invention provides an outer packing structure for identifying the correct direction of putting on a condom, including a packing layer and another packing layer with the same shape, in which the peripheral edge of the packing layer is able to connect and seal the peripheral edge of the another packing layer to each other such as: in the manner of thermal melting and sealing, thereby forming a sealed accommodating space in the interior of the outer packing. In an appropriate position of the outer surface of the packing layer, a three-dimensional labeling area or a fluorescent labeling area, made of at least one or more protruding points or grains, is provided with thereto. Accordingly, when a condom is packed in the accommodating space, the correct direction of putting on the condom exactly corresponds to the packing layer, so as to provide the labeling effect and to ensure proper use.
Patent TW-200404401-A (TW)
Title: PWM inverter control method
Inventor: YAMANAKA KATSUTOSHI
IPC: H02M7/48
Filed: 2003-06-12
Abstract: The object of the present invention is to provide a PWM inverter control method capable of reducing the noise and energy consumption by reducing the noise and limiting the number of switching operations. The present invention is a 2-level PWM inverter control method, characterized in that switching of a switching element connected in series is performed as follows. When the inverter operation frequency is low, the number of switching operations and timing are set so that noise frequency components are not concentrated by the switching and an arbitrary voltage is output, wherein, a lower limit is set for the number of switching operations so that the number of switching operations is not too small. On the other hand, when the inverter operation frequency is increased, the number of switching operations and timing setting value are increased at a predetermined ratio together with the operation frequency, wherein an upper limit is set for restricting the number of switching operations so that the number of switching operations will not exceed the set value.
Patent TW-200400871-A (TW)
Title: Mechanism for transferring optical film
Inventor: TAKEMOTO TSUNEJI
IPC: B65H29/24
Filed: 2003-06-20
Abstract: A mechanism for transferring optical film allow a holding pad with an optical film disposed thereon to move on a fixed plate, wherein a moving load can be reduced. The mechanism for transferring optical film is operated that the optical film is disposed on the holding pad, and moves to a predetermined position on the fixed plate 1, and a cutter 2 is used to cut the optical film at the predetermined position. The mechanism has the fixed plate 1 with multiple concave regions la over the surface, and these concave regions la adapt free-rolling balls 3. The free-rolling balls 3 and the holding pad have a point contact, and the optical film is moved.