Abstract: A coil component according to an aspect of the present disclosure includes a body including a pair of end faces opposing each other, and a coil disposed within the body, wherein the coil includes at least one coil conductor, the body includes a first region and a second region provided at mutually different positions in a direction along a coil axis, the first region includes a ferrite composition composed of a main component and a sub-component.

Abstract: A coil component includes an element body, and a coil disposed in the element body. The element body includes a first region and a second region in an element body portion in which the coil is disposed. The first region includes a magnetic material. The second region is located adjacent to and in contact with the first region and includes a material having a shrinkage rate larger than a shrinkage rate of the magnetic material.

Abstract: In a multilayer coil component, a plurality of coil conductors are stacked in a coil axis direction. A connecting conductor connects the coil conductors adjacent to each other in the coil axis direction. First, second, and third coil conductors are arranged in order in the coil axis direction. A main body portion extends in a circumferential direction of the coil axis. Pad portions are connected to the main body portion, are connected to the first coil conductor via the connecting conductor, overhang from the third coil conductor in a direction away from the coil axis when viewed from the coil axis direction, and are inclined with respect to a virtual plane orthogonal to the coil axis direction.

Abstract: A multilayer coil device includes a magnetic layer. The magnetic layer includes main phases and a grain boundary phase. The main phases include a spinel ferrite. The grain boundary phase includes a silicon oxide and a bismuth oxide. The main phases and the grain boundary phase have an area ratio of 92:8 to 99:1.

Abstract: In the multi-layer coil component, the hole portion is provided in the vicinity of the side surface of the element body, and the distance from the tip position of the external electrode to the hole portion is shorter than the distance from the tip position of the external electrode to the coil. Therefore, when a crack is generated starting from the tip position of the external electrode on the mounting surface, the crack progress toward the hole portion located at a distance closer than the coil. Therefore, in the multi-layer coil component, splitting of the coil due to the crack can be prevented.

Abstract: A multilayer coil component includes: an element body having a pair of first side surfaces opposite to each other in a first direction and a pair of second side surfaces opposite to each other in a second direction orthogonal to the first direction; and a coil disposed inside the element body and having a coil axis extending in a third direction orthogonal to the first direction and the second direction, in which one of the pair of first side surfaces is a mounting surface, and a ratio of a first gap in the first direction between the coil and the mounting surface to a size of the element body in the first direction is 12 to 30% in a cross section viewed in the third direction.

Abstract: A multilayer coil component includes an element body, first and second coils, and a pair of external electrodes. The element body includes a plurality of insulator layers laminated in a first direction. The element body has a pair of end surfaces opposing each other in a second direction orthogonal to the first direction. The first coil and the second coil are disposed in the element body and respectively have coil shafts along the second direction. The pair of external electrodes are disposed on the pair of end surfaces and electrically connected to both ends of the first coil and the second coil. The first coil includes a first conductor layer, a second conductor layer, and a first through hole conductor. The coil shaft of the first coil is disposed inside the second coil.

Abstract: A coil component includes an element body including a pair of end surfaces opposing each other, and a coil disposed in the element body. The coil includes at least one coil conductor. The element body includes a pair of first element body portions each including a corresponding end surface of the pair of end surfaces, and a second element body portion between the pair of first element body portions. The second element body portion includes a first region and a second region disposed at positions different from each other in the direction. The second region has relative permeability smaller than relative permeability of the first region and relative permittivity smaller than relative permittivity of the first region. The at least one coil conductor includes a coil conductor disposed in the second element body portion.

Abstract: In a method for manufacturing a laminated coil component, in which a laminated coil component is manufactured by laminating insulator sheets in order on which conductors having predetermined patterns are formed, the insulator sheets are laminated such that a distance in a lamination direction between a first lead-out conductor laminated first and a first coil conductor laminated next is larger than a distance in the lamination direction between a second lead-out conductor laminated last and a second coil conductor laminated immediately before the second lead-out conductor.

Abstract: A laminated coil component includes: an element body having a first surface and a second surface facing each other in a first direction; a coil unit formed by laminating a plurality of coil conductors in a second direction orthogonal to the first direction inside the element body; a first lead-out conductor; and a second lead-out conductor. A first coil conductor adjacent to the first lead-out conductor in the second direction includes a first side portion extending along the first surface, on a first surface side. A second coil conductor adjacent to the second lead-out conductor in the second direction includes a second side portion extending along the second surface, on a second surface side. The first side portion has a larger line width than other side portions of the first coil conductor and the second side portion.

Abstract: A ferrite composition includes a main component and a sub component. The main component includes an iron oxide in terms of Fe2O3, a copper oxide in terms of CuO, a zinc oxide in terms of ZnO, and a nickel oxide as its remainder. The sub component includes a cobalt oxide in terms of Co3O4, a tin oxide in terms of SnO2, and a bismuth oxide in terms of Bi2O3. A is ?3.5 or more and 1.0 or less, provided that A=(??18)/?; is defined, in which ? is an amount of the zinc oxide represented by mol % in terms of ZnO in the main component, and ? is an amount of the cobalt oxide represented by parts by weight in terms of Co3O4 with respect to 100 parts by weight of the main component.

Abstract: In a multilayer coil component, a plurality of coil conductors are stacked in a coil axis direction. A connecting conductor connects the coil conductors adjacent to each other in the coil axis direction. First, second, and third coil conductors are arranged in order in the coil axis direction. A main body portion extends in a circumferential direction of the coil axis. Pad portions are connected to the main body portion, are connected to the first coil conductor via the connecting conductor, overhang from the third coil conductor in a direction away from the coil axis when viewed from the coil axis direction, and are inclined with respect to a virtual plane orthogonal to the coil axis direction.

Abstract: In the multi-layer coil component, the hole portion is provided in the vicinity of the side surface of the element body, and the distance from the tip position of the external electrode to the hole portion is shorter than the distance from the tip position of the external electrode to the coil. Therefore, when a crack is generated starting from the tip position of the external electrode on the mounting surface, the crack progress toward the hole portion located at a distance closer than the coil. Therefore, in the multi-layer coil component, splitting of the coil due to the crack can be prevented.

Abstract: The present invention addresses the problem of providing a fluid handling system that is capable of injecting a fluid into a desired chip or the like without using a large-scale device. In order to resolve the problem, this fluid handling system has a reservoir, a flow path chip, and a cap, one end of which is fitted to the internal opening of the reservoir and the other end of which is connected to an introduction port of the flow path chip, the cap having a through-hole that links the one end and the other end. In this fluid handling system, a protruding part provided to the flow path chip is fitted into the through-hole at the other end of the cap and restricts blocking of the through-hole when a fluid moves inside the through-hole of the cap.

Abstract: A multilayer coil component includes an element body, first and second coils, and a pair of external electrodes. The element body includes a plurality of insulator layers laminated in a first direction. The element body has a pair of end surfaces opposing each other in a second direction orthogonal to the first direction. The first coil and the second coil are disposed in the element body and respectively have coil shafts along the second direction. The pair of external electrodes are disposed on the pair of end surfaces and electrically connected to both ends of the first coil and the second coil. The first coil includes a first conductor layer, a second conductor layer, and a first through hole conductor. The coil shaft of the first coil is disposed inside the second coil.

Abstract: First internal conductors are separated from each other in a first direction. Each of the first internal conductors includes a coil portion and a pad portion having a width larger than a width of the coil portion. The pad portions adjacent to each other in the first direction are connected to each other via a through-hole conductor and overlap each other when viewed from the first direction. When viewed from the first direction, each of the coil portions includes a first portion not overlapping the pad portion adjacent in the first direction and a second portion overlapping a part of the pad portion adjacent in the first direction. A second internal conductor is disposed on the same layer as the second portion and is positioned to overlap a portion of the pad portion adjacent in the first direction not overlapping the second portion when viewed from the first direction.

Abstract: A method of manufacturing a laminated coil component is a method of manufacturing a laminated coil component provided with a laminate obtained by laminating a coil conductor forming a spiral coil and an insulator layer. The method of manufacturing a laminated coil component includes a step of providing a conductor pattern configured to become a coil conductor on a green sheet configured to become an insulator layer, and a step of laminating a plurality of green sheets provided with the conductor pattern. The conductor pattern includes a pair of first side surfaces opposed to each other in an orthogonal direction orthogonal to a laminating direction of the green sheet. At the step of laminating a plurality of green sheets, a depression is formed on at least one of the pair of first side surfaces.

Abstract: This marker has: an optically transparent convex plastic lens section having a first surface that includes convex surface sections and flat surface sections, and a second surface that includes first regions and second regions other than the first regions, the second surface being disposed in a position on the reverse side to the first surface; a section to be detected that is formed in the first regions and/or the second regions; and a positioning section formed in those regions of the second surface that correspond to the flat surface sections, the positioning section indicating positions in the first regions that correspond to the convex surface sections. The first regions are concave sections or convex sections disposed in those regions of the second surface that correspond to the convex surface sections.

Abstract: This liquid handling device includes: a first flow passage through which a first liquid can flow; a second flow passage through which a second liquid can move; a third flow passage through which the second liquid can move; and a droplet generating unit, which is a merging portion of the second flow passage and the third flow passage with respect to the first flow passage, and which is configured in such a way that the first liquid flowing through the first flow passage is divided in the form of droplets by means of the second liquid flowing through the second flow passage and the third flow passage.

Abstract: A method of manufacturing a laminated coil component is a method of manufacturing a laminated coil component provided with a laminate obtained by laminating a coil conductor forming a spiral coil and an insulator layer. The method of manufacturing a laminated coil component includes a step of providing a conductor pattern configured to become a coil conductor on a green sheet configured to become an insulator layer, and a step of laminating a plurality of green sheets provided with the conductor pattern. The conductor pattern includes a pair of first side surfaces opposed to each other in an orthogonal direction orthogonal to a laminating direction of the green sheet. At the step of laminating a plurality of green sheets, a depression is formed on at least one of the pair of first side surfaces.