Silicon Nitride Ceramic Substrate, 50 mm x 50 mm x 4 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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Does this 50 mm x 50 mm x 4 mm silicon nitride substrate combine high thermal conductivity with high mechanical strength, or is there a trade-off?
It is specified for both: thermal conductivity is above 60 W/(m·K) while flexural strength is above 600 MPa. The substrate also lists Young's modulus above 310 GPa, Vickers hardness above 15 GPa, and fracture toughness of 6.5 MPa√m, so the material is positioned for demanding ceramic substrate applications requiring both heat transfer and mechanical stress resistance.
What temperature and electrical insulation limits apply when integrating this silicon nitride ceramic substrate into a system?
The usable temperature range is -55 °C to 850 °C, and breakdown voltage is rated above 15 kV/mm. High insulation and corrosion resistance are also listed as performance features for demanding ceramic substrate applications.
What configuration details must be confirmed before ordering this silicon nitride substrate for a specific laboratory build?
Confirm AF-SIN-S050P400, the 50 mm x 50 mm x 4 mm selected specification, and the required quantity before quotation. You should also verify size tolerance, thickness requirement, material grade, surface finish, and package format, and specify whether polishing, coating, metallization, or custom-shape needs are required.
This 50 mm × 50 mm × 4 mm silicon nitride ceramic substrate delivers over 600 MPa flexural strength, >60 W/(m·K) thermal conductivity, and a −55 °C to 850 °C operating range, making it suitable for high-stress, high-temperature insulation applications in lab-scale testing and prototype fixtures.
Positive
- High mechanical strength and toughness: Flexural strength >600 MPa and fracture toughness of 6.5 MPa·√m provide reliable resistance to mechanical stress and cracking during handling or thermal cycling.
- Broad usable temperature range: Operates from −55 °C to 850 °C with stable shape retention, enabling use in cryogenic to high-temperature experimental setups without degradation.
Trade-offs
- Requires exact specification confirmation: Size tolerance, thickness requirement, material grade, surface finish, and package format must be verified before ordering, adding lead-time for application-specific fit.
- Surface finishing needed for some uses: Polishing, coating, or metallization may be required for integration with electronics or bonding layers, requiring additional processing steps and technical expertise.
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).
