1" to 8" Sapphire Wafer for High-Frequency High-Power Devices - 0.43mm to 1mm Thickness with 46 W/mK Thermal Conductivity

Price Negotiable

Price: Negotiable

MOQ: 5 Pieces

Delivery Time: 1-4 weeks

Brand: BonTek

Product Description

Sapphire Wafer Overview

Sapphire wafers from 1" to 8" diameter offer exceptional performance characteristics for demanding electronic applications. Compared to alternative wafer materials, sapphire provides superior strength, corrosion resistance, abrasion resistance, thermal conductivity, and electrical isolation properties.

Key Applications

High-frequency electronic devices
High-power semiconductor components
GaN epitaxy substrates
High-temperature operating environments
Optoelectronic systems
Light-emitting diode manufacturing

Sapphire wafer sample showing crystal structure and surface finish

Multiple sapphire wafers in protective packaging

Technical Specifications

Physical Dimensions

Parameter	Specifications
Growth Method	Kyropoulos
Diameter	Ø 1" / Ø 2" / Ø 3" / Ø 4" / Ø 5"
Size	10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 mm
Thickness	0.43 mm / 0.5 mm / 1 mm
Surface Finish	One side / Two sides epi polished
Surface Roughness	Ra ≤ 5 Å
Packaging	Single wafer container or Ampak cassette

Material Properties

Property	Value
Chemical Formula	Al₂O₃
Crystal Structure	Hexagonal
Lattice Constant	4.77 Å
Hardness (Mohs)	9
Thermal Conductivity	46 W/m·K
Dielectric Constant	11.58
Refractive Index	1.768

Sapphire wafer quality inspection process

Quality Assurance & Handling

Important Handling Instructions:

Products are fragile and shipped with protective packaging and fragile labels
Upon receipt, inspect outer carton condition before opening
Document packaging condition with photos before removing products
Open vacuum packaging only in clean room environments
If damage is observed during delivery, photograph/video immediately and contact us without removing from packaging