Ceramic Insulating Heat Dissipation Substrates (Plain Substrates)

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Aluminum nitride ceramics:
Plain substrates

Our aluminum nitride ceramic substrate has high heat dissipation. Our insulating heat dissipation substrates have thermal conductivities ranging from 170 to 230W/m・K, making them ideal for areas requiring high heat dissipation or those requiring a somewhat thick substrate that can withstand high voltages.
They are also ideal for use as semiconductor substrates as they have a similar thermal expansion rate to silicon, silicon carbide, gallium nitride and gallium arsenide chips.

Aluminum Nitride Ceramics: Plain Substrates

Features

  • A lineup with high heat dissipation and a wide variety of thermal conductivity

Characteristic list

Characteristic list : Aluminum nitride ceramics
Item Measuring method AlN
[TAN-170,200,230]
Thermal conductivity
(W/m・K)
JIS_R1611 Laser flash method 170,200,230
Bending strength
(MPa)
JIS_C2141 7 Three point bending strength >300
Fracture toughness
(MPa・m1/2)
JIS_R1607 IF(Indentation Fracture) method 2.5~3.5
Coefficient of thermal expansion
(×10-6/K)
JIS_C2141 10
Thermomechanical Analysis
4.6
Dielectric strength
(kV/mm)
JIS_C2110-1 5.2.1.2 15
Dielectric constant JIS_C2141 16. 8.8

*The value of a table is not a guaranteed performance.

Product specifications (Standard design)

Product specifications : Aluminum nitride ceramics
Item Unit Aluminum nitride (AlN)
TAN-170 TAN-200 TAN-230
Thermal conductivity W/m・K 170 200 230
Outer dimentions mm MAX 114.3x114.3 (4.5inch square) MAX 100x100
Tolerance Standard:±1%.  Laser cut:±0.2mm
Thickness mm 0.4~2.5 0.4~1.5 0.635
Tolerance Standard:±10%.  Polished:±0.02mm
Warping mm 0.4% or less
Surface processing - Standard:Blasted, lapped, mirror polished, no surface processing

*The value of a table is not a guaranteed performance.

*Please contact us for external dimensions and thickness.

Examples of uses

  • Bases of thick film, thin film and microcircuit substrates
  • Resistance chips (chip resistors)

Benefits for customers

  • Higher output
  • Smaller size

Catalog

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Related product

  • Silicon nitride ceramics: Plain substrates
  • Silicon Nitride Ceramics: Insulating Circuit Substrates
  •     
  • Silicon Nitride Ceramics for Machine Parts
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