The important raw material required for solar cell silicon wafers

(2020年06月15日)

But not to mention graphite electrode suppliers the currently used isotropic high-purity graphite products will be eliminated in the future and replaced by carbon-carbon fiber composite materials. In addition, there are water, asphalt, CO2, H2, CH4, N2 and other gas parts. In the semiconductor industry, high-purity graphite materials are widely used in the heating system of the Czochralski single crystal furnace. But at the same time, we also need to see that while China's large-scale, high-purity isotropic graphite market is rapidly increasing, China's manufacturing technology in this respect still has some unsuitable aspects, and the technology is still very large with advanced foreign countries. 1. ﹙2﹚

Carbon-carbon fiber composite materials have a long production cycle in the manufacturing process, and the mass production speed is low. Such graphite products currently occupy a very small part of the carbon graphite material product group used in the semiconductor and photovoltaic industries.

Examples of application fields of carbon-graphite: steel industry, non-ferrous metal industry, high-temperature technology, automotive industry, racing / boating supplies, sports equipment, industrial fabrics, aerospace, satellite technology, defense technology, maritime technology, energy industry, solar technology , Power generation technology, nuclear technology, chemical industry, environmental protection, pharmaceutical technology, fertilizer industry, mechanical engineering, process equipment, sealing technology, tool manufacturing, plastics, glass ceramics, papermaking, construction technology, household appliances, electronics industry, semiconductor technology,

Electrical engineering technology, medical industry, measurement and test industry. Important work that is imperative. It must be a material that is resistant to high temperatures, low density, low thermal conductivity, less heat storage, good thermal insulation, less outgassing, light weight, and low expansion coefficient. application. The important raw material required for solar cell silicon wafers, ingot polycrystalline silicon, began to use a large number of high-purity, high-quality graphite materials in the ingot furnace of its production device.
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