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Puwei Ceramic specializes in manufacturing precision laser scribed alumina substrates specifically engineered for demanding integrated circuit applications. Our advanced alumina ceramic substrates deliver exceptional electrical insulation, superior thermal management, and outstanding dimensional stability, making them ideal for high-performance electronic packaging solutions. Utilizing state-of-the-art laser scribing technology, we create precise patterns and circuits on high-purity aluminum oxide (Al₂O₃) ceramics, providing reliable performance in high-frequency and high-temperature environments.
These substrates serve as the fundamental foundation for various electronic ceramic products, offering enhanced durability and electrical properties compared to conventional materials. The laser scribing process enables micron-level accuracy for complex designs and high-density interconnects, positioning our products as ideal solutions for microelectronics packaging and advanced sensor packaging applications.
Our laser scribed alumina substrates feature high-purity Aluminum Oxide (Al₂O₃) material composition with fully customizable dimensions to meet specific customer requirements. Standard thickness is 0.635mm with custom options available from 0.2mm to 2.00mm. Thermal performance includes thermal conductivity of 29W/m·K and operating temperature range up to 1600°C. Electrical properties feature dielectric constant of 9-10.5 at MHz frequencies, dielectric strength >10 kV/mm, and volume resistivity >10¹⁴ Ω·cm. Physical characteristics include bulk density of 3.9 g/cm³ and surface roughness Ra: 0.03-0.7 μm, making them suitable for high-frequency modules and precision electronic applications.
Precision Laser Scribed Alumina Substrate for High-Density Integrated Circuits
Our alumina substrates provide outstanding electrical insulation with excellent dielectric constant and minimal dielectric loss across wide temperature and frequency ranges. This makes them particularly suitable for microwave applications and high-frequency circuits where signal integrity is paramount.
Advanced laser scribing enables precise circuit patterns with micron-level accuracy, allowing for complex designs and high-density interconnects unachievable with traditional manufacturing methods. This precision supports the development of sophisticated thick film hybrid microcircuits and advanced electronic assemblies.
With thermal conductivity of 29W/m·K, our substrates efficiently dissipate heat from sensitive electronic components, enhancing device reliability and longevity. This thermal performance is crucial for power devices and high-power applications where heat management directly impacts performance.
Alumina ceramic offers superior hardness, wear resistance, and mechanical strength, ensuring dimensional stability and protection for delicate electronic components. These properties make our substrates ideal as insulation elements in demanding environments.
Highly resistant to chemical attack and corrosion, our substrates maintain performance in harsh environments where other materials would degrade, ensuring long-term reliability for industrial and automotive applications.
Laser scribing technology allows for rapid design changes and customization without expensive tooling requirements, making it perfect for prototyping and low-to-medium volume production of specialized hybrid micro circuits.
Our laser scribed alumina substrates serve critical functions across multiple advanced electronic applications:
Ideal for RF and microwave components where precise impedance control and minimal signal loss are critical. The consistent dielectric properties ensure stable performance across frequency ranges, making them suitable for communication systems and radar applications.
For power semiconductor devices and modules, our substrates provide excellent electrical isolation and thermal management, serving as reliable foundations for high-power microelectronic components in inverters, converters, and motor drives.
The precision and stability of our alumina substrates make them perfect for housing sensitive MEMS devices and sensors, providing mechanical protection while maintaining optimal electrical performance in demanding environments.
In LED arrays and optoelectronics applications, our substrates offer excellent reflectivity and thermal management, extending device lifespan and maintaining consistent performance characteristics.
For medical imaging, diagnostic equipment, and critical healthcare devices, our substrates provide the reliability and precision required in medical applications where performance cannot be compromised.
The durability and performance stability under extreme conditions make our substrates suitable for aerospace and defense applications where reliability and long-term performance are essential requirements.
Our manufacturing facilities and processes maintain certification to international quality standards (Certificate: GXLH41023Q10642R0S), ensuring consistent quality and reliability. We implement rigorous quality control protocols throughout the production process to guarantee product performance meets specified requirements.
Our laser scribed alumina substrates comply with relevant industry standards for electronic ceramics and are suitable for use in automotive, medical, aerospace, and industrial applications requiring certified components. This compliance ensures global market acceptance and facilitates integration into international supply chains.
We offer comprehensive OEM & ODM services tailored to specific customer requirements. Our technical team can produce ceramic substrates with thicknesses ranging from 0.2mm to 2.00mm, with custom dimensions, shapes, and laser scribed patterns according to customer specifications.
Our expertise extends to specialized requirements including custom metallized ceramics with various metal coatings (Cu, Al, Au, Ag) optimized for specific application needs. We can also provide hybrid solutions incorporating other advanced materials like aluminum nitride ceramics for enhanced thermal performance in demanding applications.
Whether you require standard 96% alumina or high-purity 99.6 alumina ceramic substrate for enhanced performance characteristics, our engineering team develops solutions that meet exact technical requirements and application specifications.
Our manufacturing process incorporates advanced techniques specifically developed for precision laser scribed substrates, beginning with high-purity alumina powder selection and formulation. The tape casting process ensures uniform thickness distribution, followed by high-temperature sintering in controlled atmospheres for optimal density and material properties.
Precision laser scribing utilizes computer-controlled systems for accurate pattern generation, while surface finishing processes including precision polishing and cleaning deliver optimal surface quality. Optional metallization services apply conductive layers as required, with rigorous inspection procedures ensuring 100% dimensional verification and electrical performance testing.
Each production batch undergoes multiple quality checkpoints to guarantee dimensional accuracy, surface quality, and electrical performance consistency, supporting applications ranging from standard bare ceramic plates to advanced hybrid microcircuits.
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Main Product:
Alumina Ceramic Substrates,
Aluminum Nitride Substrates ,
Metallized Ceramics,
AlN Ceramics Disc,
DPC Substrate,
DBC Ceramic Substrate
