Gap Filling Solutions

Gap Filler

Heat Spreading

Short Introduction to Thermal Management

Thermal interface materials enhance heat transfer between components and heat sinks or metallic housings. Heat spreaders, made of graphite, distribute heat across a wider area, reducing hotspots. Gap fillers, typically soft, compliant materials, bridge uneven surfaces between components and coolers, improving thermal contact and minimizing total thermal resistance. Both types ensure efficient cooling and protect sensitive electronics from overheating.

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Schematic Representation of a Graphite Sheet

A graphite foil is a heat spreader made from synthetic graphite. This means that most of the thermal conductivity of the material is on the horizontal or XY axis. This effect allows the final application to utilize even larger cooling surfaces, rather than being limited by the contact surfaces of the component to be cooled. By wrapping the graphite around a foam core, it imparts vertical conductivity to a horizontal heat spreader.

Schematic Representation of a I2C Communication.

The silicon-based temperature sensor IC from Würth Elektronik communicates with its host via an I2C interface.

Representation of the CCT Scale.

The CRI (Color Rendering Index) is a measure of color rendering under artificial lighting and depends on the light temperature in Kelvin.

ou can see the different light recipes for various stages of plant development.

Plant lighting with horticulture LEDs: With suitable light recipes, plant growth can be influenced in the different growth phases.

The graphic shows the dependence of the radiant flux on the wavelenght.

Part of the online simulation platform RedExpert is the so-called Horticulator. With the Horticulator, individual light recipes can be utilized.

The diagrams illustrate the difference between VCSELs and standard LEDs.

The difference between LED and laser: Lasers operate with stimulated emission, while LEDs rely on spontaneous emission. On the left is the light distribution of a VCSEL-type laser. On the right is the typical light distribution of an LED.

The graphic shows the dependence of the relative luminous intensityon the viewing angle.

Monochromatic ceramic LEDs: Light intensity for different viewing angles. Besides the viewing angle, color also plays an important role.

The graphic shows the dependence of the relative emission intensity on the frequency.

Light spectrum of different LED types of various colors by wavelengths.

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