Dielectric Ceramics / Materials Aluminum Oxide and Alumina Ceramics

High-K Ceramic Substrates & Plates
from Knowles Precision Devices

High-K substrates are used for circuit miniaturization. DLI offers complete fabrication services! [See More]

  • Applications: Dielectric; Electronics or semiconductors
  • Shape / Form: BarStock
  • Alumina / Aluminate Type: Alumina
  • Length: 1 to 4
Alumina Extruded Rod -- 031AE
from Accuratus Corporation

Accuratus maintains an inventory of standard extruded and cast aluminum oxide, mullite and sialon shapes for fast delivery requirements. These are low cost, quality rods and tubes that can be quickly cut to precision lengths. (See Mullite Sizes, Aluminum Oxide Sizes and Sialon Sizes). Accuratus will... [See More]

  • Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Armor / Ballistic Protection; Dielectric; Electronics or semiconductors; HV / Electrical
  • Composition: 94% - 99.5% Al2O3
  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Rod
96% Alumina Plate/Disk -- P96001-x x
from Superior Technical Ceramics Corp.

Plate sizes can be made to various thicknesses. Standard thicknesses are .125", .250", .375", .500", .625", .750", and 1.00". Not all plates can be made to the thicknesses listed above. Please contact us for the maximum thickness that can be manufactured for your desired plate size. [See More]

  • Applications: Dielectric
  • Shape / Form: Plate / Board
  • Alumina / Aluminate Type: Alumina
  • Length: 2.11
Sapphire Wafer
from Monocrystal, Inc.

Due to its dielectric and crystallographic properties, sapphire is an outstanding material for producing various wafers for electronic applications. Sapphire is the basic material in LED production, as its crystal lattice allows the growth of an epitaxial layer of gallium nitride (GaN) with fine... [See More]

  • Applications: Dielectric; Electronics or semiconductors
  • Shape / Form: WaferCarrier
  • Alumina / Aluminate Type: Sapphire
  • Width / OD: 2 to 10
OMEGATITE 650® Protection Tube -- PTRS
from OMEGA Engineering, Inc.

OMEGATITE ®650 is an alloy of silicon nitride and aluminum oxide. This superior refractory material has the combined properties of silicon nitride (high strength, hardness, fracture toughness, and low thermal expansion) and aluminum oxide (corrosion resistance, chemically inert, high temperature... [See More]

  • Applications: Refractory or High Temperature Insulation; Thermal Insulation or Fire Proofing Material; Molten Metal Measuring; Abrasion Resistant; Corrosion resistant; Dielectric; Foundry / Metal Processing
  • Shape / Form: Tube
  • Alumina / Aluminate Type: Alumina
  • Length: 5.91 to 23.62
Alumina
from Kyocera Corporation

The most widely used and best-known fine ceramic material. Good mechanical strength, electrical insulation, high-frequency loss, thermal conductivity, and resistance to heat, wear and corrosion. Sapphire is single-crystal alumina. [See More]

  • Applications: Refractory or High Temperature Insulation (optional feature); Wear resistant parts or tooling (optional feature); Anti-Plasma Materials; Chemical or material processing (optional feature); Dielectric; Electronics or semiconductors (optional feature); HV / Electrical (optional feature)
  • Shape / Form: Custom Shape (optional feature); Roller / Roll (optional feature); Tube (optional feature); WaferSubstrate (optional feature); Hollow Stock (Tube, Pipe, Column) (optional feature)
  • Alumina / Aluminate Type: Alumina
  • Max Use Temperature: 800 to 1000
Sapphire Substrates, Sapphire Dummy Wafers
from Gavish, Inc.

While Gavish is NOT a provider of high volume commodity type substrates for LED ’s and SOS applications, we are a producer of custom sapphire substrates and sapphire dummy wafers oriented and finished per customer specifications. Specialty sapphire substrates for electronic applications 2 x 2... [See More]

  • Applications: Optical Grade; Dielectric
  • Shape / Form: WaferSubstrate
  • Alumina / Aluminate Type: Sapphire
  • Length: 2
Aluminum Nitride (AlN) Ceramic Component
from San Jose Delta Associates, Inc.

Aluminum Nitride - AlN, is most often the material of choice due to its relatively excellent thermal conductivity and non-toxic nature. Because San Jose Delta has a segregated beryllium oxide - BeO department with over 20 years of experience fabricating common microwave designs such as helix support... [See More]

  • Applications: Wear resistant parts or tooling; Dielectric
  • Thermal Conductivity: 170 to 200
  • Shape / Form: Custom Shape; Rod
  • CTE: 5
Aluminum Oxide Custom Shapes
from Accuratus Corporation

Alumina is the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina shapes. With... [See More]

  • Applications: Dielectric
  • Shape / Form: Custom Shape
  • Alumina / Aluminate Type: Alumina
Sapphire
from Kyocera Corporation

Sapphire is single-crystal alumina, a transparent material with excellent chemical stability and valuable mechanical, thermal and optical properties. Its material properties are vastly superior to glass, quartz and other mass-produced transparent materials. [See More]

  • Applications: Optical Grade (optional feature); Refractory or High Temperature Insulation (optional feature); Anti-Plasma Materials; Chemical or material processing (optional feature); Dielectric; Electronics or semiconductors (optional feature); HV / Electrical (optional feature)
  • Bond & Processing: Single Crystal
  • Alumina / Aluminate Type: Sapphire
  • Shape / Form: Custom Shape (optional feature); Rod (optional feature); Tube (optional feature); WaferSubstrate (optional feature); Hollow Stock (Tube, Pipe, Column) (optional feature)