BENCHMARK QUALITY SYSTEMS
Since two-phase devices are the most critical component of a heat sink, we control every aspect of their production to ensure stand-alone devices and completed thermal assemblies are ready for mission-critical and long service life applications.
RAW MATERIAL QUALITY CONTROL
Beyond precision manufacturing, the durability of two-phase devices depends on the quality of raw materials. To ensure long-term performance and prevent brittleness, leakage, or outgassing, we maintain strict material control:
- Copper tubing & sheets: Independently batch tested by Celsia to validate claimed purity and oxygen content.
- Powdered Metal: Batch-tested for purity; sintering material is sorted and graded by particle size and distribution.
- Working Fluid: In-house water filtering and deionization, while alcohol is double-distilled and stored in a controlled environment.
FIRST ARTICLE VALIDATION TESTING
Before full-scale production, we verify that every newly developed part meets the required specification. This ensures compliance with customer and regulatory standards, prevents costly defects, and establishes a baseline for future production.
While validation is tailored to each application, including MIL-STD-810 testing, our baseline tests apply to both stand-alone two-phase devices and completed thermal assemblies.
Thermal Shock
1,600 Cycles: -40 C to 100C
Thermal Cycle
200 Cycles: -40 C to 80 C
High Temperature
28 Days @ 120 C, 48 Hrs @ 200 C
Low Temperature
96 Hrs @ -40 C
High Temp & High Humidity
96 Hrs @ 65 C & 85% Humidity
Leak Check
High-Pressure Helium
Thermal Performance
Qmax & Thermal Resistance
Applies to 2-Phase Devices and Completed Thermal Assemblies
MASS PRODUCTION TESTING
During mass production, 100% of two-phase devices undergo rigorous testing, including:
- 48-hour burn-in period to detect contaminants.
- High-pressure helium leak check for structural integrity.
- Performance validation of Qmax and thermal resistance (ΔT).
- Dimensional measurements to ensure precise specifications.
- Cosmetic validation per custom specification.
Burn-In Test
48 Hrs @ 200C
Leak Check
High-Pressure Helium
Thermal Performance
Qmax & Thermal Resistance
Applies to 2-Phase Devices and Completed Thermal Assemblies
All completed thermal assemblies undergo 100% testing to meet performance, dimensional, and cosmetic standards. Further, Celsia is ISO certified and compliant with ITAR, MIL 810, RoHS, and REACH standards.
QUALITY & TESTING PHASE TIMELINE
Prototype – Tooling, Production, & Validation
This step involves soft tooling, production and testing jigs, prototype build, and Celsia testing of the thermal solution before being shipped to the customer.
Timeframe: 6-8 weeks, depending on the design.
Includes soft tooling, production fixtures, prototype build, and internal testing of the custom heatsink before shipment.
- Thermal Evaluation: Thermal resistance and delta-T tests at room ambient are standard. If needed, we also conduct tests under customer-specified low- or high-ambient conditions.
- Mechanical Testing: Includes dimensional inspection and optional shock/vibration testing based on industry or customer standards.
Customer Prototype Testing, Design Refinements
Timeframe: Duration is entirely dependent on the customer’s schedule.
Customer installs the custom heat sink prototype into their system for operational testing. Feedback from this stage is used to finalize the design.
Start Eliminating Your Thermal Risks Now
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