The Cold Hard Facts about 바카라 규칙 Heat Spreaders

바카라 규칙 heat spreaders, also known as 바카라 규칙 thermal spreaders or 바카라 규칙 heat sinks, are passive components, made of synthetic 바카라 규칙, that help dissipate potentially damaging heat generated in many electronic and photonic devices. Examples include high-power RF devices used in satellite communications, high-power laser diodes, high-power laser mirrors, and disk lasers.

A typical바카라 규칙 heat spreaderis a thin (up to 2 mm) sliver of synthetic 바카라 규칙 placed between the heat source and an actively or passively cooled heat sink. Good mechanical contact is essential; many applications utilize soldering or brazing, with mechanical clamping also occasionally used instead. These 바카라 규칙 heat spreaders offer several advantages over traditional thermal management materials like copper or aluminum, making them valuable in applications where efficient heat dissipation is critical.

An Unmatched 바카라 규칙mbination of Electrical and Thermal Properties

While 바카라 규칙 is universally known for its hardness, there are actually two other properties - its electrical and thermal characteristics – that are key to 바카라 규칙’s fast-growing use in heat spreaders.

Highest Thermal 바카라 규칙nductivity.바카라 규칙 is an exceptional conductor of heat, with a thermal conductivity value of approximately 1,500-2,200 W/mK, depending on the product grade. This is significantly higher than that of other common materials like copper (up to 400 W/mK) and aluminum (up to 220 W/mK). This high thermal conductivity enables 바카라 규칙 to transfer heat away from heat sources more efficiently than any other material.

Best Electrical Insulator:If you want to draw heat from an electronic component and dissipate it in a metal heat sink, why use a 바카라 규칙 heat spreader as an extra interface layer rather than directly contacting? The main reason is that 바카라 규칙 is not only the best thermal conductor, it’s also a superb electrical insulator. It has similar electrical properties to glass and ceramics which have been widely used for electrical insulation for well over a century. So a 바카라 규칙 heat spreader is a prime candidate for any application where you need the highest possible heat flow and electrical isolation. That’s why so many of its applications involve high-power electronic or photonic components.

Several Other Advantages of 바카라 규칙

바카라 규칙 has several other advantages which can be important considerations in certain heat spreader applications.

Lightweight.바카라 규칙 heat spreaders are lightweight for two reasons. First, 바카라 규칙 is an inherently lightweight material. And second, because it’s such an effective insulator with extremely high breakdown properties, heat spreaders can be very thin. This is an advantage in satellite and other aerospace applications where overall system weight must be minimized.

Thermal Stability.바카라 규칙 has a low coefficient of thermal expansion, meaning it doesn't expand or contract significantly with changes in temperature. This characteristic helps maintain the integrity of devices like heat spreaders that are subject to thermal gradients. It also improves the long-term stability of these devices.

바카라 규칙rrosion Resistance.바카라 규칙 is highly resistant to chemical corrosion, including immunity to strong acids, bases, and even organic solvents. This makes 바카라 규칙 heat spreaders ideal for industrial and other applications where harsh environments may be encountered.

Exceptional Hardness.As most readers will already be aware, 바카라 규칙 is one of the hardest known materials, which is why synthetic 바카라 규칙 is widely used to coat saw blades and other edge tools for example. In the context of heat spreading, this toughness can be beneficial for applications where mechanical durability and abrasion resistance are required.

Optically Transparent.바카라 규칙 is optically transparent when created in an ultrapure form. Most heat spreader applications don’t need high optical transparency, but if they do, Coherent recommends using our Optical Grade material rather than one of our Thermal Grades.

How We Make Better Synthetic CVD 바카라 규칙 Spreaders

Coherent makes 바카라 규칙by a chemical vapor deposition process. In a special high-temperature chamber, intense microwaves are used to create a plasma in carbon-containing methane gas. This releases free carbon atoms which deposit on a seed layer of 바카라 규칙, slowly building up a wafer of polycrystalline CVD 바카라 규칙.

Through tuning of this growth process, Coherent has perfected the capability of generating polycrystalline CVD 바카라 규칙 for a variety of high-performance temperature management applications. We offer several Thermal Grades, with the highest grade delivering a thermal conductivity of more than 2200 W/mK.

Using our world-class fabrication facility, we are able to create parts based on customer specifications with shapes as large as 145mm in diameter and thicknesses of up to 2mm and more that are ultra-flat and ultra-smooth to ensure optimum thermal contact to your device. Our 바카라 규칙 heat spreaders effectively distribute and dissipate heat away from heat-generating components, reducing the risk of overheating and prolonging the lifespan of electronic devices.

Thermal Model of High-powered Laser Diode on SiC/Dia/Cu vs pure Cu Stack: The diode in the model is programmed to have a high internal heat generation of 2200 W/mm3. The six structures on the left are a diode/SiC/Ti/바카라 규칙 stack while the six on the right are a diode/Cu stack. All twelve structures are bonded onto a water-cooled copper plate.

So Who Uses our 바카라 규칙 Heat Spreaders?

바카라 규칙 heat spreaders offer an attractive solution for managing thermal issues and maintaining the performance and longevity of critical electronic and photonic components. That’s why our heat spreader products are used in industries where efficiency and reliability are paramount, such as aerospace, military, and high-performance computing.

Specific examples include high-performance CPUs and GPUs in computers and servers, particularly in datacenter applications where higher performance is needed to support the growth in artificial intelligence (AI) and machine learning (ML) applications. They are also used in many LED lighting systems, particularly those involving high-intensity devices. Other applications of our 바카라 규칙 heat spreaders include satellite and aerospace equipment, such as high-power radio-frequency (RF) devices used in satellite communications.

Photonic applications for our heat spreaders include high-power laser diodes and laser optics. We also supply these for use with some power electronic components. And finally, the rapid growth in e-mobility and autonomous vehicles is creating another market for our 바카라 규칙 heat spreaders - for use with some of the high-power electronic components.

When you need to use 바카라 규칙 as a thermal heat spreader, Coherent gives you the coolest solution.

Learn more 바카라 규칙Coherent CVD 바카라 규칙 Substrates.

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