Polished sapphire wafers synthetic sapphire is an aluminum oxide material grown in a hexagonal crystalline form.
Sapphire wafer material properties.
Properties of synthetic sapphire synthetic sapphire is the hardest of all known oxide crystals with a 9 on the mohs scale.
Typical properties of sapphire wafers and substrates sapphire is a single crystal al 2 o 3 with a hexagonal rhombohedral crystal structure.
High temperature and pressure windows or where corrosion resistance and abrasion resistance are required.
Products monocrystal sg wafers for next gen led.
Transmission curve of sapphire.
Silicon on sapphire wafers.
It is typically blue but natural fancy sapphires also occur in yellow purple orange and green colors.
Parti sapphires show two or more colors.
In addition sapphire can transmit ultraviolet visible and infrared light as well as microwaves a range broader than most materials.
Kyocera s sapphire substrates feature excellent material properties and are mass produced for silicon on sapphire sos wafers.
Sapphire is a precious gemstone a variety of the mineral corundum consisting of aluminum oxide α al 2 o 3 with trace amounts of elements such as iron titanium chromium vanadium or magnesium.
Valley design is an iso 9002 certified company with nearly 30 years of experience performing precision lapping and polishing materials.
However for special applications we have made parts as thin as 0 0005.
Large geometry substrates wafers and windows of glass quartz fused silica metal and ceramic plates as large as 36 x 36 are available to tolerances within microns.
Introduction single crystal sapphire alumina al2o3 offers superior physical chemical and optical properties which make it an excellent material for applications such as high speed ic chips thin filmsubstrates andvariouselectronicandmechanicalcom ponents 1 3.
Synthetic sapphire is second in hardness only to diamond and retains its high strength at high temperatures.
It is a very hard material with a high heat resistance and is highly inert resistant to attack in most process environments i e.
Sapphire wafers and sapphire substrates are available in c r a and m plane orientations.
Kyocera is prepared to meet future customer needs for larger wafer sizes and enhanced particle suppression.
Kyocera s sapphire wafers feature excellent material properties and mass producibility.
Hydrofluoric acid and the fluorine plasma applications commonly found in semiconductor wafer manufacturing.
Unparalleled hardness outstanding chemical resistance low refractive index and melting point over 2000 c make synthetic sapphire a versatile material of the future.
