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Sapphire Al₂O₃ Wafer & Ingot

Description

Sapphire Single Crystal Wafer & Ingot or Aluminum Oxide Al₂O₃ 99.999% min, also known as the white stones, anisotropic hexagonal structure, is an excellent multi-purpose material with unique optical properties, physical properties and chemical properties, having extreme surface hardness, high thermal conductivity, high dielectric constant, excellent transparency and good chemical stability with resistance to common chemical acids and alkalis. Sapphire Single Crystal or Aluminum Oxide single crystal Al₂O₃ 99.999% purity at Western Minmetals (SC) Corporation can be delivered in size of diameter 2″, 4″ and 6″ (50mm, 100mm, 150mm) wafer and ingot, with surface finish in etched, polished or epi-ready process finishes. Any customized specification and size are the prefect solution to our customers worldwide.

Applications

Because of its structural strength of the second hardest crystal next to diamonds, Sapphire crystal is widely used in the fabrication of single crystal substrate, superconducting film substrate material, blue, purple and white light emitting diodes LEDs, high-temperature infrared window, and a blue laser LD Industrial preferred substrate. Single Crystal Sapphire or single crystal aluminum oxide Al2O3 is useful in a transmission range from 0.2-5.5 μm as well as in other advanced power semiconductors manufacturing industries.

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Technical Specification

Sapphire Crystal Al₂O₃

Sapphire Crystal, with its structural strength of the second hardest crystal next to diamonds, is widely used in the fabrication of single crystal substrate, superconducting film substrate material, blue, purple and white light emitting diodes LEDs, high-temperature infrared window, and a blue laser LD Industrial preferred substrate. Single Crystal Sapphire or single crystal aluminum oxide Al2O3 is useful in a transmission range from 0.2-5.5 μm as well as in other advanced power semiconductors manufacturing industries.

No.	Items	Standard Specification
1	Diameter mm	50.8±0.05	100±0.1	150±0.2
2	Growth Method	HEM	HEM	HEM
3	Orientation	(C-A) or (C-M)	(C-A) or (C-M)	(C-A) or (C-M)
4	Primary Flat Location	A-axis ±0.2°	A-axis ±0.2°	A-axis ±0.2°
5	Primary Flat Length mm	16±0.5	30±0.5	47.5±0.5
6	Thickness μm	430±10	650±20	1300±20
7	TTV μm max	5	10	15
8	Bow μm max	5	10	15
9	Warp μm max	8	15	30
10	Surface Finish	P/E	P/E	P/E
11	Surface Roughness nm	<0.2 (epi-ready, for polished surface)
12	Packing	In vacuum bag filled with nitrogen atmosphere
13	Remarks	Ingot and bulk up to 8" is available upon request.

Linear Formula	Al₂O₃
Molecular Weight	101.96
Crystal structure	Hexagonal
Appearance	Translucent solid
Melting Point	2050 °C, 3720 °F
Boiling Point	2977 °C, 5391 °F
Density at 300K	4.0 g/cm³
Energy Gap	N/A
Intrinsic resistivity	1E16 Ω-cm
CAS Number	1344-28-1
EC Number	N/A

Sapphire Single Crystal or Aluminum Oxide single crystal Al₂O₃ 99.999% purity at Western Minmetals (SC) Corporation can be delivered in size of diameter 2″, 4″ and 6″ (50mm, 100mm, 150mm) wafer and ingot, with surface finish in etched, polished or epi-ready process finishes. Any customized specification and size are the prefect solution to our customers worldwide.