Silicon Nitride Ceramic Substrate 107×107×4 mm ATOMFAIR®

$85.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Research-grade silicon nitride ceramic substrate, 107×107×4 mm, with >600 MPa flexural strength, >60 W/(m·K) conductivity, and -55 °C to 850 °C use. Order now.

Silicon Nitride Ceramic Substrate, 107 mm x 107 mm x 4 mm

Product Type: Technical ceramic substrate
Research-grade laboratory product

Product Overview

Silicon nitride ceramic substrate provides high flexural strength above 600 MPa, high fracture toughness, insulation, and thermal conductivity above 60 W/(m?K) for demanding ceramic substrate applications.

This selected specification is listed as an independent ceramic substrate item for procurement by exact size and thickness.

Performance Features

  • High mechanical stress resistance with stable shape retention.
  • High strength, high thermal conductivity, high insulation, and corrosion resistance.
  • Usable temperature range from -55 ?C to 850 ?C.
  • Can be produced as tubes, rods, plates, sheets, and custom-shaped ceramic parts.

Technical Specifications

Parameter Specification / Available Values
Atomfair Model AF-SIN-S107P400
Product type Technical ceramic substrate
Material silicon nitride ceramic
Selected specification 107 mm x 107 mm x 4 mm
Apparent density =3.22 g/cm?
Flexural strength >600 MPa
Young modulus >310 GPa
Vickers hardness >15 GPa
Fracture toughness 6.5 MPa?vm
Thermal conductivity >60 W/(m?K)
Use temperature -55 ?C to 850 ?C
Breakdown voltage >15 kV/mm
QUOTATION DETAILS: Confirm AF-SIN-S107P400, 107 mm x 107 mm x 4 mm, and required quantity before quotation.
CONFIGURATION CONFIRMATION: Verify size tolerance, thickness requirement, material grade, surface finish, and package format for this silicon nitride ceramic substrate.
OPTION MATCHING: Confirm polishing, coating, metallization, or custom-shape needs when they are required for the application.
REQUEST DETAILS: Include the exact size, thickness, color or package detail, and quantity when requesting quotation support.
LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR?

This ceramic substrate must be maintained within its stated thermal and electrical operating limits to preserve structural and dielectric integrity. Dimensional, surface, and optional processing requirements must be verified before integration into the intended application.

  • Thermal operating limit: Maintain the substrate within the specified usable temperature range to prevent thermal-stress damage.
  • Dielectric withstand limit: Keep applied voltages below the stated breakdown voltage to avoid dielectric puncture.
  • Configuration verification: Confirm size tolerance, thickness, material grade, surface finish, and package format before use.
  • Optional treatment confirmation: Confirm whether polishing, coating, metallization, or custom shaping is required for the application.

What is the flexural strength and fracture toughness of this silicon nitride substrate, and how do these properties contribute to its mechanical reliability under thermal cycling?

The flexural strength is greater than 600 MPa and fracture toughness is 6.5 MPa√m. These values indicate high resistance to mechanical stress and crack propagation, making the substrate reliable under thermal cycling conditions where thermal expansion mismatches can cause stress. The high strength and toughness reduce the risk of catastrophic failure.

What is the thermal conductivity of this substrate, and how does it support heat dissipation in demanding applications?

The thermal conductivity is greater than 60 W/(m·K). This level of thermal conductivity is sufficient for demanding ceramic substrate applications requiring heat dissipation, such as in power electronics or high-temperature environments. The material also maintains high insulation and corrosion resistance, making it suitable for thermal management in harsh conditions.

What is the usable temperature range of this substrate, and what considerations are important for operation at the upper limit of 850°C?

The usable temperature range is -55°C to 850°C. The source states that the substrate maintains high mechanical strength, thermal conductivity, and insulation across this range. For operation at 850°C, it is recommended to ensure proper thermal management to avoid thermal shock, though the material's high fracture toughness (6.5 MPa√m) provides some resistance. Specific handling precautions should be discussed with the manufacturer.

The AF-SIN-S107P400 silicon nitride ceramic substrate delivers a flexural strength >600 MPa, fracture toughness of 6.5 MPa√m, and thermal conductivity >60 W/(m·K), making it suitable for high-stress thermal management and insulation applications in laboratory environments.

Positive

  • High Mechanical Strength and Toughness: With flexural strength >600 MPa and fracture toughness of 6.5 MPa√m, this substrate resists cracking and deformation under mechanical loads, supporting reliable use in structurally demanding setups.
  • Broad Operating Temperature Range: Usable from -55 °C to 850 °C, this ceramic maintains stability and insulation across extreme thermal gradients, enabling deployment in high-temperature or cryogenic lab processes.

Trade-offs

  • Requires Verification of Surface Finish: Surface finish and size tolerance must be confirmed before ordering, as standard dimensions (107 mm x 107 mm x 4 mm) may not meet application-specific flatness or roughness requirements.
  • Custom Processing May Be Needed: Options like polishing, coating, or metallization are not included by default; buyers must specify these process steps separately, adding lead time and coordination overhead.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).