High purity quartz concentrates. Application in high-tech industry, modern requirements for quality parameters

Abstract

Relevance. High-purity quartz concentrates (HPQ) are one of the basic materials for a number of high-tech industries. In modern conditions, when one of the tasks of the country’s development is import substitution and the development of its own hi-tech industry, an urgent issue is to identify potential areas for their use with an understanding of the quality criteria imposed by the global high-tech industry. Te purpose of the work. Te article considers the main areas of application of the HPQ, taking into account the newly emerging areas of their use. Te main criteria and parameters of the quality of HPQ are analyzed using the example of the world’s leading manufacturers, including the Russian Quartz company. Methodology. Based on literature sources and data from HPQ producers, an analysis was made of the qualitative characteristics of HPQC varieties of three leading world manufacturers in the context of application sectors. Results. Te main criteria for the quality of HPQ are determined by the parameters of chemical purity, gas-liquid and foreign inclusions. Te features of the use of various varieties of HPQ in various branches of the hi-tech industry are indicated, depending on the content of individual impurity elements, and a comparison of Russian grades of HPQ with analogues of foreign manufacturers is carried out. Conclusions. High-purity quartz concentrates produced in the Russian Federation meet the quality criteria set by the global hi-tech industry for all quality parameters, including those from the semiconductor industry. At the same time, the constant tightening of requirements on the part of consumers and the newly opened areas of use, increasing the volume of consumption of HPQ, require additional research into the raw material base of HPQ in order to expand it both in quantitative and qualitative terms.