421 results about "Foreign substance" patented technology

To provide a composition for chemical mechanical polishing and a polishing method that can effectively suppress contamination of foreign matters during manufacturing and can polish the surface of a semiconductor substrate to a flat surface.SOLUTION: The composition for chemical mechanical polishing according to the present invention contains (A) abrasive grains including silica and (B) a liquid medium, in the (A) component, when the peak intensity of 490 cm-1 derived from a 4-membered ring measured by Raman spectroscopy is x and the peak intensity of 800 cm-1 derived from a multi-membered ring measured by Raman spectroscopy is y, x / y is 4.5 to 6.0, and the (A) component has at least one functional group selected from those represented by the following general formulae (1) to (4), -SO3-M+ (1), -COO-M+ (2), -NR1R2 (3), -N+R1R2R3M- (4).SELECTED DRAWING: None

Provided is a bathing assistance device for an infant, wherein the infant's resistance due to the strong impact noise generated when using a conventional bathing aid can be eliminated, armrests can operate smoothly, the skin of the infant can be prevented from being caught or compressed in a gap between the upper body and the armrests, by making a play means removable, the infant can replace the play means with his / her preferred safe play means or purchase only the bathing assistance device separately, foreign substances such as washing water and feces which flow into the inside of a tread can be quickly discharged, the bathing assistance device can be easily stored and dried in a bathroom, a falling accident in which the infant slips and falls on an upper portion of a lower body part can be prevented.

The invention relates to the technical field of conveying equipment, and particularly discloses a guide and guard assembly guide wheel intelligent suspension conveying system which comprises a guide frame, a guide groove is formed in the inner side of the guide frame, and a conveying assembly is arranged on the inner side of the guide frame groove and comprises a driving rod rotationally connected with the inner side of the guide groove. The outer surface of the driving rod is fixedly connected with a driving wheel, and the upper side of the outer surface of the driving wheel is rotationally connected with a traction suspension cable. By arranging the hanging assembly, the locking buckles and the supporting pipes, multiple sets of guide wheels can be conveyed at the same time, then the conveying efficiency of the guide wheels can be improved, due to the fact that the hanging conveying system is arranged on the lower side of the workshop ceiling, occupation of conveying equipment on the internal space of a workshop can be effectively reduced, and in the guide wheel hanging conveying process, the conveying efficiency is improved. And machining chippings left on the surface of the guide wheel can be shaken off, so that residual foreign matters on the surface of the guide wheel can be reduced to improve the subsequent machining precision.

A cleaner includes a case having an internal path formed therein and an intake motor to draw in air containing foreign substances into the case. The cleaner includes a dust collector on the internal path of the case through which the drawn air flows and rotatable to separate the foreign substances from the drawn air by rotating the drawn air, and a rotation body disposed further downstream than the dust collector in an airflow direction of the drawn air, to rotate by the air passing through the dust collector, and to rotate the dust collector by being combined with the dust collector.

Disclosed is a strainer having a non-powered cleaning function. The present invention enables filtration of foreign substances from fluid by disposing a cylindrical filter mesh inside a main body of the trainer, such that the fluid from an inlet pipe flows through the filter mesh toward an outlet pipe. The present invention also enables cleaning of the filter mesh by disposing a central shaft of a scraper at the center of the filter mesh, and rotating the central shaft such that brushes connected thereto scrape off foreign substances collected on the filter mesh.

A charging device includes: a power transmission coil configured to transmit electric power to a terminal device; a position detection coil that includes a plurality of coils, and is configured to detect a position of a power reception coil of the terminal device; a foreign substance detection coil that includes a plurality of coils corresponding to the plurality of coils of the position detection coil; and a processor configured to supply electric power to a first coil among the plurality of coils of the foreign substance detection coil in a state in which the terminal device is not placed on a placement part, to determine that a conductive foreign substance is present on the placement part in a case in which a variation amount of induced voltage generated in the position detection coil is equal to or larger than a predetermined threshold.

A vacuum cleaner includes a main body, a suction motor in the main body, an extension pipe, a suction head, connected to the suction motor through an extension pipe and including a suction port through which the foreign substances are sucked, a brush inside the suction head, a brush motor configured to rotate the brush, a pressure sensor configured to detect a pressure of air flowing through the suction port, a memory configured to store reference data used to identify the type of surface to be cleaned and a learning model to update the reference data, and a controller configured to determine a suction pressure based on the detected pressure and an atmospheric pressure, and identify the type of surface using the determined suction pressure, a load of the brush motor, and the stored reference data, and to update the stored reference data based on a predetermined update condition.

Disclosed are an apparatus configured for capturing debris generated during laser notching and a debris capture method using the same, and more particularly an apparatus for capturing debris generated when a laser beam is radiated to an electrode supplied to a cylindrical rotary drum so as to be brought into tight contact with an outer surface of the cylindrical rotary drum to notch an edge of the electrode, the apparatus including a debris capture unit having an open surface located so as to face a notched portion of the electrode, the debris capture unit being configured to capture debris, a debris transfer unit located under the debris capture unit, the debris transfer unit being configured to transfer the captured debris, a blowing unit located above the debris capture unit, the blowing unit being configured to blow air downward, and a scrap guide unit configured to guide scrap, generated by notching, downward and outside of the debris capture unit, and a debris capture method using the same.

A vacuum cleaner including a cleaner body including a motor configured to generate a suction force and a foreign substance collection chamber; and a suction head connected to the cleaner body. The suction head may include a drum brush, a one-way roller disposed in front of the drum brush, and a housing having a suction port. The drum brush and the one-way roller may be configured so that, when the suction head is moving forward on a surface to be cleaned, the drum brush and the one-way roller rotate so that foreign substances on the surface are suctioned by the suction force into the housing through the suction port to be guided to the foreign substance collection chamber, and when the suction head is moving rearward on the surface, rotation of the one-way roller is restricted to prevent the foreign substances suctioned into the housing from being discharged outside of the housing of the suction head through the suction port.

A control device of the present disclosure is used in a foreign substance removal device including a removal section configured to pick up and remove a foreign substance from a waste material conveyed by a conveyance device, a dust-proof section configured to perform dust-proofing related to maintenance of the foreign substance removal device with respect to powder dust derived from the waste material, and an imaging section located upstream of the removal section and configured to capture an image of the waste material. The control device executes one or more of control processing of controlling the dust-proof section based on information regarding an amount of waste material obtained from an image captured by the imaging section, and output processing of outputting information regarding the maintenance of the foreign substance removal device based on the information regarding the amount of waste material obtained from the image captured by the imaging section.

An air purifier is provided. The air purifier includes a housing, an inner frame arranged inside the housing, a filter assembly configured to remove foreign substances from air introduced into the housing, and to be detachably mounted on the inner frame, and a detection module configured to detect whether the filter assembly is mounted, wherein the filter assembly includes a dust collection filter detachably mounted on the inner frame in a mounting direction (AX), and a pre-filter detachably mounted on the dust collection filter in a direction parallel to the mounting direction, and is arranged on a flow path that is toward the dust collection filter, and wherein the detection module includes a first sensor provided in the inner frame to detect whether the dust collection filter is mounted, and a second sensor provided in the inner frame to detect whether the pre-filter is mounted.

An active energy irradiation device includes a housing, an irradiation unit, a heat conduction member, a first opening that is provided at the housing, and an air introduction unit that deflects air flowing into the housing along a first direction via the first opening to a second direction intersecting the first direction to introduce the air to the heat conduction member. The air introduction unit includes a partition that is provided to face the first opening in the housing, and a filter that is provided between the first opening and the partition, and collects foreign substances contained in the air. The filter includes a first filter portion that is provided on the heat conduction member side to come into contact with the partition without being exposed from the first opening as viewed from the first direction.

Disclosed is a fluorine-based resin film which has a melt viscosity η of 600 Pa∙s to 4,000 Pa∙s inclusive as measured at a measurement temperature of 260°C and a measurement shear rate of 50 s-1. The fluorine-based resin film has a surface roughness height Rz of 0.50 μm or less as measured in accordance with JIS B 0601 (2001), and the number of foreign substances having a size of 100 μm or more is 7 per 0.25 m2 or less, the size being the arithmetic average value of the maximum width and the minimum width when the film is viewed in plan.

To provide a composition for chemical mechanical polishing and a polishing method that can effectively suppress contamination of foreign matters during manufacturing and can polish the surface of a semiconductor substrate to a flat surface.SOLUTION: The composition for chemical mechanical polishing according to the present invention contains abrasive grains including silica and a liquid medium, wherein the surface silanol group density of the abrasive grain component containing silica measured by the Sears method is 4 pcs / nm2 to 15 pcs / nm2 and the CV value is 15 to 50, and the abrasive grain component containing silica has at least one functional group selected from the functional groups represented by the following general formulas (1)-(4), -SO3-M+ (1), -COO-M+ (2), -NR1R2 (3), -N+R1R2R3M- (4).SELECTED DRAWING: None

Electronic devices include a first housing, a second housing, a display arranged between the first housing and the second housing, and a hinge structure of which at least a portion is arranged between the first housing and the second housing to support a hinge operation. A hinge housing is provided in which at least a portion of the hinge structure is receivable. At least one cavity structure defines at least one cavity in at least a partial region of at least one of the hinge housing, the first housing, and the second housing to prevent flowing or diffusion of incoming foreign matter.

A foreign substance detection system is disclosed to detect whether foreign substances are attached to an environmental sensor of a vehicle. The foreign substance detection system includes a detection loop through which current selectively flows. In particular, the detection loop includes a controller configured to operatively control a sensor cleaning system configured to clean an environmental sensor of a vehicle, and a power supply unit configured to continuously supply electric power to the controller. The environmental sensor includes a detection device configured to open or close the detection loop on the basis of whether a fluid or a foreign substance is attached.

According to the device and the method for determining the content of the foreign substances in the polyester material, provided by the invention, alcoholysis reaction and filtering separation functions are integrated in the same device, so that the integration of a test process is realized. The device adopts a structure capable of being inversely arranged, and can be used as a reaction container when being inversely arranged, so that full alcoholysis of a polyester matrix is realized under high-temperature and high-pressure conditions; and the filtering efficiency can be improved through the internal and external pressure difference. The loss and pollution of foreign substances caused by sample transfer in a traditional method are avoided, and the test accuracy is improved from the source. In the aspect of the method, a hot ethanol circulating washing mechanism is introduced, so that residual depolymerization products are effectively dissolved and removed at a proper temperature, and pure retention of foreign substances is ensured. The whole determination process is completed in the same device, the operation steps are simplified, the analysis time is shortened, and the device has the comprehensive advantages of high test precision, wide applicability and the like.

Arrangement for the water treatment of open waters, comprising: a floating platform (2), a buoyancy nozzle rod (3, 3') suspended from the platform (2), which defines a longitudinal axis (L) and has at least one buoyancy nozzle (4) via which a buoyancy agent can be introduced into areas of the open water lying below the water surface, so that foreign substances, such as plastic particles, are driven from the areas lying below the water surface to the surface of the open water, and a collecting arrangement (5) with which the foreign substances can be collected from the surface of the open water, characterized in that the lift nozzle rod assembly (3, 3') comprises at least two rod elements (6) which are connected to one another via an adapter element (7), wherein the adapter element (7) has two connections (30) for connecting to one of the rod elements (6) in each case.

An interdental brush of the present disclosure includes a base part including a handle part that is grippable by a user, and a core part extending from the handle part and having a diameter or thickness that decreases as a distance from the handle part increases, and a soft part including an anti-slip part covering at least a part of the handle part, and an interdental cleaning part covering the core part and including a plurality of projections for removing foreign substances between teeth, the soft part being formed of an elastic material. The base part includes a plurality of through holes disposed to be spaced apart from each other in a longitudinal direction, and the soft part is provided in a space formed by at least one of the plurality of through holes.

The present application belongs to the field of clothes processing equipment, and specifically discloses a clothes processing equipment metal foreign matter detection method, device and storage medium. The method comprises the following steps: in the process of putting clothes into the clothes processing equipment, firstly, collecting the real-time geomagnetic field intensity data set of the clothes processing equipment through the geomagnetic sensor; then, obtaining the denoised geomagnetic field intensity data set by denoising the real-time geomagnetic field intensity data set; secondly, establishing a denoised position fingerprint map according to the denoised geomagnetic field intensity data set; finally, inputting the denoised position fingerprint map into a preset field intensity time sequence classification model to obtain the detection result of whether there is metal foreign matter in the clothes. The method provided by the present application can reduce energy consumption, is not limited by the time range, can improve the accuracy of metal foreign matter classification detection, effectively improve the accuracy of metal foreign matter detection, reduce the complexity of detection, and improve the user experience.

This composition for forming a coating film for foreign substance removal can form a coating film that can be removed using a remover liquid. The composition contains a film structural component and a solvent, and the film structural component contains a coordination compound.

The present invention relates to a vacuum cleaner head, which comprises: a rotor for suctioning foreign substances through an opening formed in the outer circumference thereof; and a drum casing having, on the bottom surface thereof, a slit in through the foreign substances are introduced, and encompassing the outside of the rotor, and which suctions the foreign substances through the entire area of the opened slit formed in the bottom surface, and concentrates, at one specific moment, suction at an open surface at which both the opening of the rotor and the slit of the drum casing meet, and thus provides greater suction force in a motor having the same capacity.

Provided is a method for manufacturing a magnetic recording medium, wherein foreign matter on the surface of the magnetic recording medium can be efficiently removed, and the coating rate by a lubricating layer is high. The method for manufacturing a magnetic recording medium in which a lubricating layer is formed on a laminate includes a step of applying a first lubricant and a second lubricant to the laminate, a step of polishing the surface of the laminate to which the first lubricant and the second lubricant have been applied with a polishing material, a step of removing the second lubricant from the laminate, and a step of forming the lubricating layer on the laminate. The average molecular weight of the first lubricant is higher than the average molecular weight of the second lubricant, the polarity of the first lubricant is higher than the polarity of the second lubricant, and the polishing step includes a step of pressing and rubbing a tape containing a polishing material against the surface of the laminate. The step of removing the second lubricant includes a step of irradiating the laminate coated with the first lubricant and the second lubricant with ultraviolet light, or a step of heating the laminate coated with the first lubricant and the second lubricant.

To provide a foreign substance appearance monitoring processing apparatus that is not largely influenced by the size and amount of an appeared foreign substance and the position of the appearance.SOLUTION: A foreign substance appearance monitoring processing apparatus is provided with: a camera 26 that picks up an image of a required foreign substance appearance area in which appearance of a required foreign substance is predicted to obtain image data; image holding means 31 that obtains the image data in time series with the camera 26 and holds the image data; and processing means 40 that, on the basis of the image data held by the image holding means 31, performs processing including image processing related to the appearance of the required foreign substance to detect the presence or absence of the appearance of the required foreign substance.SELECTED DRAWING: Figure 3

To provide a foreign substance inspection device that performs foreign substance inspection according to a user's demand for throughput and sensitivity.SOLUTION: A foreign substance inspection device has: a first light shaping unit that shapes first light; a second light shaping unit that shapes second light having a major axis along a movement direction longer than the first light in an irradiation shape in an object to be measured; and a light switching mechanism that, when the foreign substance inspection on the object to be measured is completed and foreign substance inspection on the subsequent object to be measured is started, can switch light to be emitted to the object to be measured to the first light or the second light.SELECTED DRAWING: Figure 2

The invention discloses a head module for an air compressor and an air compressor including the same, which can completely prevent foreign matters from flowing into a stroke space for accommodating a crankshaft and a piston assembly from the outside, and can minimize noise flowing out of the stroke space to the outside. The head module for an air compressor includes: a crankshaft that receives power from the outside and rotates; a piston assembly including a connecting rod coupled to the crankshaft and a piston reciprocating by means of the connecting rod; the crankshaft is accommodated in the crank body; the air cylinder assembly is combined with the crank body, and a piston is arranged in the air cylinder assembly; a valve unit housed in the cylinder assembly and configured to be opened and closed in accordance with the reciprocating motion of the piston; a filter coupled to the cylinder assembly and filtering air flowing into the cylinder assembly; and a cooling fan coupled to the crankshaft and disposed at an end portion of the crank body, the cooling fan causing unfiltered air to flow into the crank body while rotating by means of the crankshaft.

To provide a method for detecting foreign material in a wireless power transmitter allowing more effective and accurate detection of the foreign material, and an apparatus and a system therefor.SOLUTION: The method comprises the steps of: measuring a quality factor value, which corresponds to a reference operation frequency, when an object is sensed; searching for a current peak frequency having a maximum quality factor value within an operation frequency band; receiving, from a wireless power receiver, a foreign material detection state packet including information on a reference peak frequency; correcting the measured quality factor value by using a difference value between the current peak frequency and the reference peak frequency; and determining whether the foreign material exists by comparing the corrected quality factor value with a predetermined quality factor threshold value.SELECTED DRAWING: Figure 13a

To provide a resin product in which, even when a deep and large local concavity originating from foreign matter exists on a surface of a substrate molded from a resin containing the foreign matter, a concavity generated in a coating film due to reflection of the local concavity is made less noticeable and difficult to recognize with the naked eye, thereby preventing poor appearance.SOLUTION: A resin product includes: a substrate molded from a resin; and a coating film covering a surface of the substrate, wherein the coating film has an arithmetical mean height Sa of 0.2 μm or more, a skewness Ssk of -1.3 or more, and a maximum valley depth Sv is 5 to 30 times the arithmetical mean height Sa.SELECTED DRAWING: Figure 4