Silicon Nitride Ceramic Substrate, 50 mm x 50 mm x 0.32 mmProduct Type: Technical ceramic substrate
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR?
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This substrate is rated for use within a temperature range of -55°C to 850°C. The material provides electrical insulation with a breakdown voltage exceeding 15 kV/mm, defining its voltage withstand capability.
- Thermal Constraint: The substrate must be operated within the specified temperature range of -55°C to 850°C to maintain structural integrity.
- Electrical Constraint: The substrate's insulation breakdown voltage is greater than 15 kV/mm, limiting the maximum potential difference across its thickness.
How does this silicon nitride ceramic substrate achieve both high thermal conductivity and high electrical insulation?
This silicon nitride substrate provides thermal conductivity above 60 W/(m·K) and a breakdown voltage above 15 kV/mm, as specified in the technical data. The intrinsic material properties of silicon nitride enable simultaneous high phonon conduction for heat transfer and high resistivity for electrical insulation, making it suitable for demanding electronic and thermal management applications.
What is the usable temperature range of this 50 mm x 50 mm x 0.32 mm silicon nitride substrate, and is it compatible with high-temperature processes?
The usable temperature range is -55°C to 850°C, as stated in the product specifications. This broad range makes the substrate compatible with high-temperature sensor, power electronics, and thermal cycling applications where stable mechanical and electrical properties are required.
What handling precautions are recommended for a 0.32 mm thick silicon nitride ceramic substrate?
The substrate is 0.32 mm thick and should be handled with care to avoid edge chipping or breakage. Despite its high flexural strength (>600 MPa) and fracture toughness (6.5 MPa√m), the thin geometry requires clean, soft handling surfaces and storage in a dry environment. Avoid point loads and sudden impacts during installation or processing.
The AF-SIN-S050P032 silicon nitride ceramic substrate offers a balanced combination of high flexural strength (>600 MPa), fracture toughness (6.5 MPa√m), and thermal conductivity (>60 W/(m·K)), making it suitable for demanding high-temperature and high-stress laboratory or industrial substrate applications.
Positive
- High thermal and mechanical robustness: With flexural strength above 600 MPa, Young's modulus above 310 GPa, and thermal conductivity above 60 W/(m·K), this substrate can withstand high mechanical loads and efficiently dissipate heat in power electronics or high-temperature setups.
- Wide operating temperature range: Usable from -55 °C to 850 °C with stable shape retention, enabling deployment in cryogenic to high-temperature environments without significant degradation of mechanical or electrical insulation properties.
Trade-offs
- Surface finish and tolerance verification needed: The product page does not specify size tolerance or surface finish for this substrate; buyers must confirm these parameters with the supplier to ensure compatibility with precision mounting or thin-film applications.
- Custom processing requires advance specification: Polishing, coating, metallization, or custom-shape requirements must be explicitly requested before ordering, as these are not included by default and cannot be easily retrofitted due to the hardness and brittleness of silicon nitride ceramic.
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).
