Zirconia ceramic probe

Q: Why is my traditional metal or ordinary ceramic probe prone to wear, signal distortion, and even breakage in high-frequency testing? Is there a more reliable and durable alternative solution?
A: Zirconia ceramic probes are designed to solve these problems! It has ultra-high hardness, excellent electrical insulation, extremely low thermal expansion coefficient, and excellent chemical stability, which can significantly improve testing accuracy and equipment life, especially suitable for scenarios with extremely high reliability requirements such as semiconductors, precision electronics, and medical testing.

Zirconia Ceramic Probe is a high-performance testing contact element made primarily from high-purity zirconia (ZrO ₂) through precision molding and high-temperature sintering processes. With its unique material properties, this probe can maintain stable mechanical and electrical performance even under harsh working conditions, and has become a key consumable in the high-end testing field.

Core application scenarios
-Semiconductor wafer testing: used for contacting small solder pads in CP (Chip Probing) testing to avoid metal contamination and scratches.
-PCB/FPC circuit board inspection: provides low-noise, high fidelity contact in high-frequency signal transmission.
-Medical sensor probe: biocompatible, corrosion-resistant, suitable for long-term monitoring in body fluid environments.
-New energy battery testing: resistant to electrolyte corrosion, suitable for testing the internal resistance of lithium electrode sheets and battery cells.
-Aerospace electronic system validation: maintaining structural integrity in extreme temperature and vibration environments.

Core advantages of the product
Ultra high hardness and wear resistance: The Vickers hardness reaches 1200-1400 HV, far exceeding stainless steel and ordinary alumina ceramics, and the service life is increased by 3-5 times.
Excellent electrical insulation performance: volume resistivity>10 ¹⁴Ω· cm, dielectric strength>15 kV/mm, effectively preventing signal crosstalk and leakage.
Extremely low thermal expansion coefficient (~10.5 × 10 ⁻⁶/K): Dimensional stability within the temperature range of -50 ℃ to+600 ℃, ensuring test repeatability.
Strong chemical inertness: acid and alkali resistant, organic solvent resistant, does not react with most electrolytes, suitable for corrosive environments.
Non magnetic and metal free: completely free of metal components, avoiding contamination or interference with sensitive devices.

Specifications and Customization Services
We provide a full range of standardized products and deep customized services to meet diverse needs:
-Diameter range: 0.1 mm – 3.0 mm (can be precision machined to a tolerance of ± 0.005 mm)
-Length range: 2 mm -50 mm (supports multiple end structures such as stepped, tapered, ball, etc.)
-Surface smoothness: Ra ≤ 0.2 μ m (mirror level polishing to reduce contact resistance)
-Special treatment: optional conductive coating (such as IrO ₂ Pt）、 Localized metallization, laser micropores, etc
-Batch support: From sample trial production (minimum order of 1 piece) to million level mass production, consistency is guaranteed
Whether you need fast delivery of standard products or non-standard design for specific device interfaces.

Key issues to be addressed
Frequent wear of probes leads to high testing costs: ultra-high wear resistance significantly extends service life
High frequency signal distortion or high noise: excellent insulation ensures signal integrity
Failure under high temperature/corrosive environment: material stability ensures reliable operation under extreme working conditions
Metal probes contaminate wafers or circuits: all ceramic structure prevents metal ion migration
Contact point deformation affects repeatability accuracy: high rigidity+low thermal expansion maintain geometric stability

Customer Application Case (Anonymous)
A certain international automotive parts manufacturer
Requirement: Probe for automated testing of precision engine parts, requiring wear resistance and long-term stability.
Solution: Customized 2mm diameter spherical zirconia ceramic probe, surface polished Ra 0.02 μ m.
Usage effect: The lifespan of the probe has been extended from 3 months for metal probes to 2 years, saving 40% of the annual cost.
Leading domestic chip testing enterprise
Requirement: High frequency chip testing probe, requiring low dielectric constant and high insulation.
Solution: Develop a special coated zirconia ceramic probe with a tip curvature radius of 0.05mm.
Usage effect: Test signal interference is reduced by 90%, and test accuracy is improved to 99.95%.
Renowned medical equipment company
Requirement: In vivo ultrasound detection probe, required to be biocompatible and resistant to disinfection and sterilization.
Solution: Provide medical grade zirconia ceramic probes that pass biocompatibility testing.
Usage effect: The product has passed FDA certification and has been successfully applied to the new generation of medical devices.
University Materials Laboratory
Requirement: High temperature material performance testing probe, required to withstand a high temperature of 1500 ° C.
Solution: Customize a special formula zirconia ceramic probe to enhance high temperature stability.
Usage effect: Successfully completed the high-temperature material testing project, and the data was published in top journals.

Zirconia ceramic probes are redefining the standard of precision measurement due to their excellent wear resistance, stable chemical properties, and outstanding insulation properties. Whether it’s industrial testing, semiconductor testing, or medical diagnosis, we can provide you with the most suitable solutions.
Contact our technical team immediately to obtain samples and customized solutions.

Brudeze Ceramics supplies and sells a wide range of high-quality quartz glass, including alumina ceramics, zirconia ceramics, silicon nitride ceramics, aluminum nitride ceramics, silicon carbide ceramics, boron carbide ceramics, bioceramics, machinable ceramics, etc. We can meet the customization requirements of various ceramic products.