Quartz is a mineral composed of silicon dioxide, with the chemical formula SiO2. Pure quartz is colorless and transparent, but can appear in various colors due to trace amounts of pigment ions, finely dispersed inclusions, or the presence of color centers, which reduces its transparency. It has a vitreous luster and a greasy sheen on the fracture. Quartz products are widely used in semiconductor manufacturing, and high-purity quartz products are important consumables in wafer production.
The manufacturing process for quartz products is very complex. Quartz sand is first melted and smelted into quartz ingots, which are then heat-formed and cold-processed into quartz products. Based on the process and processing technology, quartz products can be divided into two types: fire-processed and machine-processed. Fire-processing is primarily used in the photovoltaic industry and has lower profit margins. Machine processing relies on different methods and combinations to complete shaping and polishing, primarily producing high-value-added products that require high consistency and stability, and is often used in the semiconductor industry.
Quartz components used in semiconductors can generally be divided into high-temperature and low-temperature components, respectively used in high-temperature processes such as diffusion and oxidation, and low-temperature processes such as etching, packaging, photolithography, and cleaning. Quartz components used in high-temperature processes, as they must operate continuously for hours at temperatures exceeding 1,000 degrees Celsius, require high-temperature resistance, excellent thermal stability, and resistance to deformation. The presence of hydroxyl groups alters the bonding structure of silicon dioxide, the primary component of quartz products, thereby reducing the material's thermal stability and significantly diminishing its high-temperature resistance. Therefore, quartz components used in high-temperature processes require dehydroxylation. Furthermore, these components must exhibit corrosion resistance, excellent light transmittance, and low impurity content. Quartz components used in low-temperature processes, on the other hand, do not require high-temperature processing, so the hydroxyl content of the quartz material is not a requirement.
Quartz Boat
Quartz Tube
Quartz Crucible
Quartz Tank/Bath
Quartz Pedestal
Quartz Bell Jar
Quartz Ring
Other Quartz Parts
Semicorex-tændingsinjektor, er en højrulitetskvartskomponent designet til præcis og kontamineringsfri tænding i halvleder- og forskningsapplikationer. Valg af Semicorex sikrer ikke kun uovertruffen kvarts materialekvalitet, men også avanceret fabrikationsekspertise, der garanterer pålidelighed, sikkerhed og stabilitet i enhver kritisk proces.*
Læs mereSend forespørgselSemicorex Quartz Liquid Storage Tank er en container med høj renhed designet til opsamling af affald og resterende væsker i halvleder våd rengørings- og belægningsprocesser. Valg af Semicorex sikrer ikke kun overlegen kvartsmaterialkvalitet, men også præcisionsfremstilling, der garanterer minimal forurening og maksimal pålidelighed i krævende rengøringsmiljøer.*
Læs mereSend forespørgselSemicorex Semiconductor Quartz Crucibles er smeltede kvartscontainere med høj renhed, der er konstrueret til den krævende silicium-krystaltrækningsproces i halvlederfremstilling. Valg af Semicorex betyder at drage fordel af avanceret flerlags digelteknologi, enestående materiel renhed og streng kvalitetskontrol, der sikrer overlegen krystalkvalitet og konsekvent produktionsydelse.*
Læs mereSend forespørgselSemicorex smeltede kvartscrucibles er containere med høj renhed designet til halvlederkrystallvækst, hvilket giver enestående termisk stabilitet og forureningsmodstand for defektfri skivproduktion. Vælg Semicorex for streng materiel renhedskontrol, fremstilling af præcision og bevist pålidelighed i verdens mest krævende halvlederprocesser.*
Læs mereSend forespørgselSemicorex Quartz Crucibles er uundværlige værktøjer i den fotovoltaiske industri, hvilket sikrer den vellykkede vækst af siliciumkrystaller af høj kvalitet under ekstreme forhold. Semicorex Quartz Crucibles tilbyder uovertruffen ydeevne, pålidelighed og tilpasningsevne, hvilket gør dem til det ideelle valg for producenter, der stræber efter ekspertise inden for solenergiproduktion.*
Læs mereSend forespørgselSemicorex High-Purity Quartz Crucibles er en kritisk komponent i halvlederindustrien, designet til højpræcisionsvækst af enkeltkrystal silicium. Semicorex' produkter, kendt for deres enestående kvalitet og pålidelighed, leverer brancheførende løsninger til de mest krævende fremstillingsprocesser.*
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