Silicon Nitride Ceramic Substrate, 138 mm x 190 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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Configuration parameters including size tolerance, thickness requirement, material grade, surface finish, and package format must be verified before use. The intended application temperature must fall within the rated service temperature range.
- Dimensional verification: Confirm the specified size tolerance and thickness requirement against the application requirements before integrating the substrate.
- Material grade confirmation: Confirm that the silicon nitride material grade matches the intended application conditions.
- Surface finish confirmation: Verify the required surface finish before further processing or integration.
- Optional feature confirmation: Confirm whether polishing, coating, metallization, or custom shaping is required for the application.
- Package format confirmation: Confirm the package format and quantity before delivery to support inbound inspection.
What is the maximum operating temperature and thermal conductivity of this silicon nitride ceramic substrate?
The substrate can be used from -55 °C to 850 °C and has a thermal conductivity greater than 60 W/(m·K), making it suitable for high-temperature and thermal management applications.
Can this silicon nitride substrate be supplied with metallization or custom coatings?
Yes, the product description indicates that polishing, coating, metallization, and custom shapes are available options. Contact Atomfair technical sales to confirm specific requirements for your application.
What is the dielectric breakdown voltage of this 0.32 mm thick silicon nitride substrate?
The breakdown voltage is greater than 15 kV/mm, which for a 0.32 mm thickness corresponds to a dielectric strength exceeding 4.8 kV across the substrate.
This 138 mm x 190 mm x 0.32 mm 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, high-thermal-demand laboratory applications requiring electrical insulation (>15 kV/mm breakdown voltage).
Positive
- High mechanical and thermal resilience: With flexural strength >600 MPa and thermal conductivity >60 W/(m·K), this substrate withstands mechanical stress and heat dissipation simultaneously, critical for high-power or thermal cycling setups.
- Wide use temperature range: Operable from -55 °C to 850 °C, this substrate maintains structural integrity across cryogenic to high-temperature regimes, suiting extreme-environment research platforms.
Trade-offs
- Fixed dimensional specification: This substrate is provided as a selected 138 mm x 190 mm x 0.32 mm sheet; applications requiring custom or non-standard sizes, polishing, or metallization require separate quotation and may limit direct drop-in use.
- Processing infrastructure needed for modification: Custom shaping, coating, or surface finishing is available but requires explicit specification and verification before procurement, adding lead time and needing laboratory coordination for non-standard requirements.
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).
