Abstract: A coil electronic component includes: a body including a magnetic material, four or more coils embedded in the body, and a gap portion comprising a glass material disposed in at least one of regions between adjacent coiling in the four or more coils.

Abstract: A biomolecular detection method is disclosed. The method includes following steps: providing a surface-enhanced Raman spectroscopy (SERS) substrate; applying a biological sample onto the SERS substrate, wherein the biological sample is a medical specimen; acquiring a SERS signal on the SERS substrate through using a SERS spectrometer; and applying a trained machine learning model of a detection system to analyze the full spectral range of the SERS signal, or one or more key feature regions of the full spectral range, and output a biomolecular detection result of the biological sample.

Abstract: A coil electronic component includes a support member, a coil disposed on the support member, and a body that surrounds the support member and the coil and contains a magnetic material. The coil comprises an inner coil and an outer coil sequentially disposed proximate to the support member, wherein the outer coil is electrically connected to the inner coil. A ratio of the cross-sectional area of each turn of the inner coil to the cross-sectional area of each turn of the outer coil is 1100/1150 or more and 1200/1150 or less.

Abstract: A coil electronic component may include: a body including a first surface and a second surface opposing each other in a first direction, a third surface and a fourth surface opposing each other in a second direction and connecting the first surface and the second surface, and a fifth surface and a sixth surface opposing each other in a third direction and connecting the first surface and the second surface, and including a magnetic material; three or more coils embedded in the body; and a first insulating layer and a second insulating layer disposed on the first surface and the second surface of the body, respectively, or on the fifth surface and the sixth surface of the body, respectively. A sum of a thickness of the first insulating layer and a thickness of the second insulating layer may be 90 ?m or more and 120 ?m or less.

Abstract: A coil electronic component, including: a body including a magnetic material; three or more coils embedded in the body; a plurality of external electrodes disposed outside the body and connected to the coils; and gap portions disposed between the coils and having a different magnetic permeability than the body, wherein one of the gap portions has a different shape than the rest of the gap portions.

Abstract: Disclosed is a coil electronic component which includes: a support member made of glass material and including a first surface and a second surface; a coil pattern disposed on the support member; and a body including a magnetic material and surrounding the support member and the coil pattern, in which the coil pattern may include a first coil pattern disposed on the first surface of the support member, and a second coil pattern disposed on the second surface of the support member and connected to the first coil pattern.

Abstract: A coil electronic component including: a body including a first portion including a first glass material, and a second portion disposed on one surface of the first portion and including a second glass material; a coil embedded in the first portion; and a lead out terminal embedded in the second portion and the connected to the coil.

Abstract: A coil component includes a body, a substrate, a first coil, a second coil, a plurality of conductive vias connecting an innermost turn of the first coil and an innermost turn of the second coil to each other, a first external electrode connected to one end of the first coil, and a second external electrode connected to one end of the second coil, wherein the innermost turn of the first coil includes a first region having a line width, narrower than a line width of an adjacent outer turn, and the innermost turn of the second coil includes a second region having a line width, narrower than a line width of an adjacent outer turn, and at least one of the plurality of conductive vias is connected to the first region, and at least one of the other conductive vias is connected to the second region.

Abstract: The present disclosure provides novel methods of making aluminum complexes with utility for promoting epoxide carbonylation reactions.

Abstract: A coil component includes a body including an intermediate layer, and having a first surface and a second surface opposing each other, and a plurality of side surfaces connecting the first surface to the second surface; a first coil disposed in the body and including a first coil pattern having at least one turn; a second coil spaced apart from the first coil in the body and including a second coil pattern having at least one turn; first and second external electrodes disposed on the body and connected to the first coil; and third and fourth external electrodes disposed on the body and connected to the second coil, wherein the intermediate layer has permeability lower than permeability of the other region of the body, is disposed between the first coil and the second coil, and is spaced apart from each of the first coil and the second coil.

Abstract: A coil component includes: a body having a first surface, a second surface opposing the first surface, and one or more side surfaces connecting the first and second surfaces to each other. First and second coils disposed inside the body each respectively include an upper coil layer and a lower coil layer, the first coil includes a first core, and the second coil includes a second core. The upper coil layer of the second coil is disposed between the upper and lower coil layer of the first coil. The lower coil layer of the first coil is disposed between the upper and lower coil layer of the second coil. The first core includes a first shared core overlapping the second core, and a first non-shared core that does not, and the second core includes a second shared core overlapping the first core, and a second non-shared core that does not.

Abstract: A method for detecting an analyte comprises the following steps: providing a SERS-active substrate and a Raman spectra database; applying a sample onto the SERS-active substrate; applying an incident light by a Raman spectrometer onto the SERS-active substrate to generate a Raman spectrum of the sample; and comparing the Raman spectrum of the sample with a Raman spectra database to identify an analyte in the sample. The SERS-active substrate comprises: a support; a first dielectric layer disposed on the support, wherein the first dielectric layer is formed by a plurality of first nanofibers; and a plurality of noble metal particles formed on the plurality of first nanofibers.

Abstract: A coil component includes: a body; a support member disposed inside the body and having one surface and another surface opposing each other; a first coil disposed on the one surface of the support member and including a first core; a second coil disposed on the other surface of the support member and including a second core; a first lead portion disposed on the other surface of the support member and connected to the first coil; and a second lead portion disposed on the one surface of the support member and connected to the second coil, in which the first core partially overlaps the second core when viewed in a stacking direction of the first and second coils on the support member, and a length of the second coil in one direction is larger than a length of the first coil in the one direction.

Abstract: A coil component includes a body, a first coil including a first coil portion having a winding axis oriented in a first direction and first and second lead-out portions, a second coil including a second coil portion having a winding axis oriented in the first direction and third and fourth lead-out portions, a coupling adjustment portion including a first region located in at least a portion of regions overlapping a first core of the first coil portion and a second core of the second coil portion in the first direction, and a second region located in at least a portion of regions surrounding the first region in a lateral direction and having magnetic permeability, different from magnetic permeability of the first region, first to fourth external electrodes respectively connected to the firth to fourth lead-out portions.

Abstract: A coil component includes a body; a first wound coil including a first coil portion, and first and second lead-out portions; a second wound coil including a second coil portion, and third and fourth lead-out portions; a coupling adjustment portion including a first region through which a winding axis of the first coil portion and a winding axis of the second coil portion pass, and a second region surrounding the first region in a lateral direction; first and second external electrodes respectively connected to the first and second lead-out portions; and third and fourth external electrodes respectively connected to the third and fourth lead-out portions, wherein the first region and the second region include a plurality of magnetic particles and an insulating material interposed between the plurality of magnetic particles, respectively, and magnetic permeability of the first region is different from magnetic permeability of the second region.

Abstract: A coil component includes a body including a first surface and a second surface opposing in a first direction, and a third surface and a fourth surface opposing in a second direction; a coil disposed in the body; a first lead-out electrode connected to an external end of the coil and drawn out to the first surface; a second lead-out electrode connected to an internal end of the coil and drawn out to the second surface; a first external electrode disposed on the third surface, extending to the first surface and connected to the first lead-out electrode; and a second external electrode disposed on the third surface, extending to the second surface and connected to the second lead-out electrode, wherein a thickness of each of the first and second lead-out electrodes in the second direction is smaller than a thickness of the coil in the second direction.

Abstract: A coil component includes a coil component includes a body including a first surface and a second surface opposing each other in a first direction; a coil disposed in the body and including a plurality of coil layers; an insulating layer disposed in each of regions between the plurality of coil layers; an external electrode disposed on the first surface of the body; and a connection portion disposed in the body, connecting one of the plurality of coil layers to the external electrode, and having one surface in contact with the one of the plurality of coil layers and the other surface in contact with the external electrode. The connection portion includes a fusion portion disposed on an end thereof to be in contact with the one of the plurality of coil layers.

Abstract: A coil component includes a body having a first surface, a second surface opposing the first surface in a first direction, and side surfaces connecting the first surface and the second surface to each other, a support member disposed in the body, a coil disposed on each of one surface of the support member and the other surface of the support member opposing the one surface in the first direction, including first and second lead-out portions respectively extending to a first side surface and a second side surface of the body opposing each other in a second direction, and a first dummy lead-out portion disposed on the other surface of the support member, and connected to the first lead-out portion. W2/W1 satisfies 0.3 or more and 0.8 or less, W1 is a width of the first lead-out portion, W2 is a width of the first dummy lead-out portion.

Abstract: Provided are methods of producing polyamides from beta-lactones. The polyamides include bio-based polyamides that may be obtained, either in part or completely, from renewable sources.

Abstract: A coil component according to an embodiment includes a body; a first coil embedded in the body and disposed to surround around a first core axis extending in a first direction, a second coil embedded in the body and disposed to surround around a second core axis parallel to the first core axis, and arranged in a second direction perpendicular to the first direction on the outside of the first coil; and a non-magnetic body disposed to surround the outer region of the first coil and the second coil.