FOLYSKY（WuHan） LTD.
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FOLYSKY（WuHan） LTD.
A smart car is more like a smart terminal than a car. It gives the car as an electronic product attributes, electronic attributes and mechanical attributes alike, and will gradually exceed the latter, dominate the product definition and user experience of the car. Because of this, smart cars and traditional cars have diverged in terms of architecture.
As an "electronic product", smart cars pay more attention to data collection, processing and communication
Unlike traditional cars, smart cars are no longer just mechanical components that determine the difference between products, but electronic components such as sensors, chips, and CAN buses. In fact, many users attach more importance to electronic components than to the machinery itself. It is precisely because of this, more and more manufacturers need such a, while improving the overall quality of electronic parts, but also fit the "integration", "miniaturization", "intelligent" future development direction of the commodity ---- ceramic substrate came into being.
Why choose ceramic substrate
In terms of improving the overall quality of electronic components, Silitong ceramic substrate has many advantages that traditional substrates cannot match, mainly reflected in the following points:
First, higher thermal conductivity
The thermal conductivity of traditional MCPCB is 1 ~ 2w/mk, the thermal conductivity of copper itself is 383.8w/mk, but the thermal conductivity of the insulation layer is only about 1.0w/mk, and the better can reach 1.8w/mk, because of the insulation layer, the thermal conductivity of the copper substrate can only reach about 2w/mk. Compared with traditional materials, the thermal conductivity of alumina ceramic substrate is 15 ~ 35 w/mk, and the thermal conductivity of aluminum nitride ceramic substrate is 170 ~ 230 w/mk. The ceramic substrate uses the ceramic sheet as the substrate, without insulation layer, the heat on the copper wire is directly transmitted to the ceramic sheet and dispersed, and the thermal conductivity of the ceramic sheet is completely preserved.
Second, corrosion resistance
The internal parts of the car body are in a very harsh environment when the car is running, often under high temperature and strong corrosion. It is reported that metal corrosion causes an average loss of $150 to $250 per vehicle per year worldwide. Car recalls caused by corrosion of auto parts are not rare. Ceramic circuit boards use inorganic non-conductive ceramics as a substrate, and then the metal is directly in contact with the ceramic, which has strong corrosion resistance at the same time, and will not damage the sensor like metal-based materials.
Third, more matched thermal expansion coefficient
The material of the sensor chip is generally silicon, and the thermal expansion coefficient of the ceramic and chip is close to that of the chip, which will not cause too much deformation when the temperature difference changes, resulting in problems such as line derwelding and internal stress. This is the general metal material substrate can not do.
Fourth, high-end customized services
Slitong can provide customized services according to customer needs, and carry out mass production according to product design drawings and requirements given by users. Users can have more choices, more human.
From machinery to electronics, the iteration of automotive products is not only the competition at the mechanical level of engines and transmissions. The decisive point of competition among car companies in the future will be autonomous driving, digital cockpit, and the upgrade of three electric technologies, and the speed of iteration will be faster and faster. Slitong ceramic circuit board will strive to provide customers with more satisfactory products and services, and is committed to producing high-quality ceramic packaging substrates to achieve mutual win cooperation with merchants. Meet the challenges and opportunities of the future market together.
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