Alumina Ceramic Substrate For Crystal Oscillator

Product Overview

Puwei's 99.6% Alumina Ceramic Substrate represents the pinnacle of thermal management technology for demanding high-power electronic applications. Engineered with ultra-high purity alumina material, this substrate delivers exceptional thermal conductivity, superior electrical insulation, and outstanding mechanical strength - making it the ideal foundation for advanced Power Devices and high-reliability electronic systems.

As a premier manufacturer of advanced Electronic Ceramic Products, Puwei provides substrates that form the backbone of power-intensive systems in renewable energy, electric vehicles, and industrial automation, enabling them to operate at peak efficiency in the most challenging environments.

Technical Specifications

Material Properties

• Alumina Purity: 99.6% high-purity composition
• Thermal Conductivity: Optimized for efficient heat dissipation from sensitive components
• Electrical Insulation: High dielectric strength ensures operational safety and signal integrity
• Mechanical Strength: Exceptional fracture toughness and resistance to mechanical stress
• Dielectric Performance: Low dielectric loss ideal for high-frequency applications
• Thermal Shock Resistance: Withstands rapid temperature changes without performance degradation
• Surface Quality: Precision finish for optimal bonding and component mounting

Product Features & Technical Advantages

Core Performance Characteristics

• Ultra-High Purity Material: 99.6% alumina composition ensures consistent performance and long-term reliability
• Advanced Thermal Management: Superior heat dissipation protects High power microelectronic components and extends operational lifespan
• Exceptional Electrical Properties: Maintains insulation integrity under high voltage stress and extreme conditions
• Mechanical Robustness: Resists warping, cracking, and mechanical stress during assembly and operation
• Chemical Inertness: Excellent resistance to corrosion from fluxes, solvents, and harsh processing chemicals

Puwei's Competitive Edge

• Material Science Expertise: Deep knowledge in formulating and sintering high-performance Alumina Ceramic Substrates
• Precision Manufacturing: Tight tolerances and superior surface quality for reliable Metallized Ceramics processes
• Proven Reliability: Rigorously tested to perform in demanding environments, comparable to specialized Aluminum Nitride Ceramics
• Technical Support: Comprehensive engineering assistance for design optimization and integration

Integration & Implementation Process

1. Design & Layout Optimization: Provide circuit design requirements for performance and manufacturability analysis
2. Substrate Preparation: High-purity 99.6 Alumina Ceramic Substrate undergoes precision cleaning and surface treatment
3. Metallization Process: Application of bonding layers and conductive plating (Ni/Au) to create circuit patterns
4. Component Assembly: Precision mounting of semiconductor dies and electronic components onto metallized pads
5. Electrical Interconnection: Establishment of reliable connections using advanced wire bonding techniques
6. Final Integration: Protective encapsulation and comprehensive performance validation testing

Application Scenarios

Renewable Energy Systems

Critical component in solar inverters and wind turbine power converters, where efficient heat dissipation is essential for managing high DC-to-AC power conversion in demanding environmental conditions.

Electric Vehicle Power Electronics

Essential foundation for motor controllers, onboard chargers, and DC-DC converters in electric vehicles, ensuring reliability and longevity in automotive-grade applications and advanced integrated circuit packaging.

Industrial Automation & Motor Drives

Provides stable thermal management for high-power IGBT modules in variable frequency drives and servo controllers, enabling precise motor control in industrial settings.

High-Frequency Communication Systems

Low dielectric loss characteristics make it suitable for High frequency module applications and RF communication equipment requiring stable performance at elevated frequencies.

Advanced Power Supply Systems

Used in high-density switching power supplies for servers, telecom infrastructure, and industrial equipment where thermal management and power density are critical design factors.

Value Proposition for Engineering & Procurement

• Enhanced System Reliability: Reduced field failures and warranty claims through superior thermal and mechanical performance
• Improved Power Density: Enables higher power handling capabilities and more compact electronic designs
• Reduced Total Cost of Ownership: Extended component lifespan and improved system efficiency lower operational costs
• Accelerated Development Cycles: Technical expertise and reliable supply chain support faster time-to-market
• Design Flexibility: Comprehensive customization options eliminate design compromises and optimize performance

Manufacturing Process & Quality Assurance

Puwei's vertically integrated manufacturing ensures complete quality control from raw materials to finished products:

1. Material Selection & Preparation: High-purity alumina powders are meticulously selected and processed with specialized binders
2. Precision Forming: Advanced tape casting and dry pressing techniques create substrates with exact dimensional requirements
3. High-Temperature Sintering: Controlled firing processes achieve optimal density and mechanical properties
4. Surface Finishing: Precision grinding and lapping ensure superior surface quality and dimensional accuracy
5. Metallization Processing: For Metalization Ceramics, precision application of conductive layers and circuit patterns
6. Comprehensive Validation: Rigorous testing for dimensional accuracy, electrical properties, and thermal performance

Quality Certifications & Standards Compliance

All Puwei 99.6% Alumina Substrates are manufactured under stringent quality management systems and comply with international standards. Our production facilities maintain ISO 9001 certification, ensuring consistent quality and performance reliability. Products comply with relevant ROHS and REACH regulations, with certification code: GXLH41023Q10642R0S.

Customization & Engineering Solutions

Puwei offers comprehensive OEM & ODM services to meet specific application requirements:

• Flexible Dimensions: Custom thickness from 0.2mm to 2.00mm with precise length and width specifications
• Large-Format Expertise: Specialized production of large-size substrates including 240×280×1mm and 95×400×1mm configurations
• Advanced Metallization: Multiple options including DBC, DPC, and thick film processes to suit specific assembly requirements
• Material Variations: Access to alternative ceramic compositions including Aluminum Nitride for specialized thermal needs
• Technical Collaboration: Engineering support from design optimization through prototyping to mass production

Technical Considerations

What advantages does 99.6% alumina offer over lower purity grades?

Higher purity (99.6% vs 96% or 90%) delivers significantly better thermal conductivity, superior electrical insulation, enhanced mechanical strength, and improved resistance to chemical corrosion and thermal shock - critical for high-reliability power applications.

How does alumina compare to Aluminum Nitride for thermal performance?

While Aluminum Nitride Ceramics offer higher thermal conductivity, our 99.6% alumina provides an excellent balance of performance and cost-effectiveness for most high-power applications. We offer both materials and can recommend the optimal solution based on technical and budgetary requirements.

What metallization services are available for these substrates?

We provide comprehensive Metallized Ceramics services including Direct Bonded Copper (DBC) and Active Metal Brazed (AMB) processes, delivering fully processed substrates ready for component assembly and integration into Microelectronics Packaging systems.

What level of customization is possible for specialized applications?

We offer extensive customization including dimensional specifications, surface finishes, metallization patterns, and specialized material treatments to meet unique application requirements in Electronic Packaging and power electronics.

Puwei's 99.6% Alumina Substrate represents the convergence of material science excellence and precision manufacturing expertise. With robust production capabilities, comprehensive customization options, and rigorous quality control, we provide reliable thermal management solutions that enhance system performance, improve reliability, and reduce operational costs across renewable energy, electric vehicle, industrial automation, and advanced electronics sectors.