Si₃N₄ Substrate

Sales Inquiries: +86 189 2895 1632
Si₃N₄ Substrate

Product Introduction

Silicon nitride substrates are high-performance ceramic substrates featuring high thermal conductivity, high strength, high hardness, high resistivity, excellent thermal shock resistance, low dielectric loss, and a low CTE. As wide-bandgap semiconductors progressively replace traditional silicon-based devices, and power electronics move toward higher voltage, higher current, smaller footprint, and greater power output, Si₃N₄ ceramic substrates have become the preferred material for high-frequency circuits and power module thermal management and packaging.

Key Features

  • Ultra-large format, available in sizes up to 400 × 400 mm
  • High dimensional accuracy and flatness
  • Excellent electrical and thermal properties
  • Ultra-high strength

Specifications

Size Thickness (mm) Ra (μm)
0.20 0.25 0.32 0.38 0.50 0.635 1.00 1.50 2.00 3.00 5.00 0.40-0.80 0.10-0.40 0.02-0.10
Square
400*400 O O O O O O O
400*350 O O O O O O O
350*300 O O O O O O O
300*250 O O O O O O O
250*200 O O O O O O O
200*200 O O O O O O O O O O
190*138 O O O O O O O O O O O O
160*160 O O O O O O O O O O O O O
120*120 O O O O O O O O O O O O O
100*100 O O O O O O O O O O O O O O
50*50 O O O O O O O O O O O O O O
Round
D400 O O O O O O O
D350 O O O O O O O
D300 O O O O O O O
D250 O O O O O O O O O
D200 O O O O O O O O O O O
D150 O O O O O O O O O O O O O
D100 O O O O O O O O O O O O O O
D50 O O O O O O O O O O O O O O

Note: Non-standard sizes are available upon request. Please contact our sales team.