一、 Semiconductor Manufacturing
1. Lithography core materials
5N-6N quartz sand: used for EUV lithography machine lenses and photomask substrates. Insufficient purity can lead to a decrease in chip yield.
7N grade high-purity copper: used to manufacture lithography machine mirrors with conductivity close to silver, improving optical accuracy.
2. Wafer manufacturing
High purity quartz crucible: a single crystal silicon drawing container with impurities ≤ 0.002% to ensure low defect rate of silicon wafers.
High purity molybdenum target material: used for magnetron sputtering coating, with a total impurity content of ≤ 0.001%.
二、 New energy and energy storage
1. Solid state battery
High purity lithium sulfide: a key material for sulfide solid electrolytes, with an increased ionic conductivity of 5.57mS/cm.
2. Photovoltaic technology
Perovskite stacked cell: wide bandgap perovskite thin film purity control achieves 32.5% photoelectric conversion efficiency.
Quartz fiber reinforced composite material: improves the heat resistance and insulation of photovoltaic packaging substrates.
三、High end equipment and optics
1. Aerospace
High purity alumina: a high-temperature resistant layer for spacecraft thermal protection systems, capable of withstanding extreme environments above 2000 ℃.
High purity vanadium alloy: manufacturing lightweight and high-strength components to reduce aircraft weight.
2. Precision Optics
High end magnesium fluoride: purity>99.995%, optical performance directly affects chip process accuracy.
四、Chemical Industry and New Materials
1. Electronic chemicals
High purity phenol: a core raw material for the synthesis of bisphenol A, used for high-end polycarbonate resins.
2. Refractory and special ceramics
High purity magnesium oxide: refractory material accounts for 70%, with high temperature resistance>2800 ℃.
五、New Display Technology
Micro LED driver：High purity semiconductor carbon nanotube film: with a mobility of 40cm ²/(V · s), it supports mass production of microdisplays with thousands of PPI resolutions.
