Laminated Core
Laminated Core - Related Videos
07:22
Using a Laminating Technique to Perform Confocal Microscopy of the Human Sclera
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Cited by 1 •
2016
Human sclera tissue is mainly collagen; therefore, it is not easily usable for immunohistochemistry. To achieve the goal of performing immunohistochemistry for confocal microscopy of scleral tissue, a laminating technique was used.
02:10
The Nucleosome Core Particle
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2020
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins. The paradox Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
02:23
Visualizing the Effect of pH on Solubilization of the Influenza A Viral Core
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2026
Source: Stauffer, S. et al., In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation. J. Vis. Exp. (2016)This video demonstrates the effect of pH on the solubilization of influenza A viral cores. Gel electrophoresis and protein staining reveal the progressive disassembly of the core structure under acidic conditions.
13:23
A Protocol for Collecting and Constructing Soil Core Lysimeters
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Cited by 4 •
2016
A detailed method for extraction and assembly of intact soil core lysimeters and their use for study of leachate and associated loss of nutrients from surface applied poultry litter is demonstrated.
02:42
In Vitro Disassembly of the Influenza A Virus Core Using pH-Controlled Gradient Centrifugation
0 Views •
2026
Source: Stauffer, S. et al. In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation. J. Vis. Exp. (2016)This video demonstrates the pH-dependent disassembly of influenza A virus (IAV) cores using gradient ultracentrifugation. It outlines glycerol gradient preparation, ultracentrifugation, and how different pH conditions affect IAV core disassembly.
FAQs
A changing magnetic field induces circulating currents within conductive ferromagnetic material. In a laminated core, insulation separates the thin sheets and interrupts large continuous paths through the core. This restriction reduces eddy-current losses, which otherwise appear as unwanted heat and wasted energy. The result is more efficient operation when the core carries alternating magnetic fields.
Sheet thickness affects how effectively the core limits induced-current circulation. Dividing the magnetic material into thinner insulated layers provides more interruptions to current paths, while the selected thickness also influences magnetic performance and operating temperature. Designers therefore consider thickness together with material and insulation, especially when reducing power loss is important in alternating-current devices.
An uninterrupted magnetic core allows induced currents to circulate through broader conductive paths, increasing the potential for heat generation and energy loss. Laminating the material breaks those paths with insulation while preserving a route for magnetic flux transfer. This makes the laminated construction better suited to efficient transformer, motor, generator, and inductor operation under changing magnetic fields.
Production begins with thin sheets of ferromagnetic material, followed by electrical insulation between the layers so that the assembled structure maintains interrupted current paths. Selection then considers the required magnetic performance, acceptable power loss, operating temperature, and intended frequency range. These factors determine whether a particular sheet thickness, material, and insulation arrangement suits the device.
Transformers, electric motors, generators, and inductors commonly use laminated cores to support effective magnetic flux transfer while limiting losses during changing-field operation. In transformers, the construction supports alternating magnetic-field transfer; in rotating machines and inductors, it helps maintain useful magnetic behavior with less unwanted heating. The benefit is improved efficiency across several electrical technologies.
The construction becomes particularly relevant whenever a device operates with changing magnetic fields and must control eddy-current loss, heat generation, or energy waste. Sheet thickness, material, and insulation influence whether the core is suitable for a given frequency range. Evaluating these properties helps match the magnetic component to its operating conditions and desired efficiency.