Laser Scribed 0.25mm 0.30mm Thick Aluminum Oxide Substrate Alumina Ceramic Al2O3 Plate
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Product Highlights
- Wide Thickness Range: Available thickness from 0.15mm to 30mm to suit various application needs.
- High Purity Options: Offering 96% and 99.6% Alumina purity levels for diverse performance requirements.
- Customizable Colors: Optional colors include White, Ivory, and Pink for specific aesthetic needs.
- Versatile Surface Treatments: Options include natural surface, lapping, diamond-like polishing, and metallizing.
- OEM and ODM Services: Full customization support including prototyping and mass production capabilities.
Product Attributes
- Customization
- Available
- Application
- Electronic Devices, Lighting, Power Supply, Semiconductors
- Material
- Al2O3
- Model NO.
- Customized
- Thickness
- From 0.15mm to 30mm Available
- Forming Methods
- Tape Casting or Dry Pressed
- Optional Color
- White, Ivory, Pink
- Purity of Material
- 96%, 99.6% Alumina
- Density
- Over 3.65g/cm3
- Processing Technology
- Laser Scribing, Cutting, etc.
- Customized Service
- OEM, ODM, Prototyping, Mass Production
- Transport Package
- Individual Packaging
- Specification
- Standard or Customized
- Trademark
- JingHui
- Origin
- China
- HS Code
- 6914100000
- Production Capacity
- 50000 PCS/Month
- Package Size
- 27.00cm * 17.00cm * 20.00cm
- Package Gross Weight
- 2.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Laser Scribed 0.25mm 0.30mm Thick Aluminum Oxide Substrate Alumina Ceramic Al2O3 Plate
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Product Description
1. Material: 96% or 99.6% alumina ceramic
2. Dimensional capability: side length max. 400mm x 600mm; Thickness range from 0.15mm to 30mm.
3. Surface treatment: natural surface, lapping, diamond-like polishing, metallizing
4. Hole size and tolerance after laser cutting:
| Hole Diameter (mm) | Standard Tolerance (mm) |
| φ≤0.5 | 0.08 |
| φ>0.5 | 0.20 |
5. The scribing line specification:
| Substrate Thickness (mm) | The Percentage of Laser Scribe Line Depth to Thickness (%) |
| 0.2-0.3 | 40%±5% |
| 0.3<T≤0.5 | 50%±3% |
| 0.5<T≤1.0 | 43%±3% |
| 1.2 | 55%±3% |
| 1.5 | 55%±3% |
| 2.0 | 55%+10% |
| The scribing spot can be in different sizes. Generally there are small spot 0.03-0.04mm (Substrate Thickness≤0.5mm ) and large spot 0.08-1.0mm (Substrate Thickness>0.5mm), and the accuracy is ±0.01mm. | |
Laser scribing has been becoming the most popular machining process for electronic ceramic substrates. It offers much high efficiency and precision dimensional tolerance. The process involves pulsing a CO2 laser through an optical configuration, through a focusing lens, focusing the beam through an air assisted nozzle assembly, and finally onto the substrate's work surface. Most Laser scribing systems utilize a CNC or PC based motion control system, moving the substrate below the fixed beam assembly at speeds as fast as 10 in./sec, or faster.
Each pulse of the Laser provides an efficient and effective evacuation of molten and ablated ceramic substrate particulates. Well executed scribes allow for subsequent controlled breaks, or "Snapping", of the substrate to its final size.


Q01: What sizes are available for the alumina substrates?
A: The typical largest size available is 280x240mm. Maximum standard thickness is 1.27mm and up to 2.0mm thicknesses are available per request. We offer customized products for special requirements.
Q02: What are the main advantages of a Ceramic PCB?
A: Maximum operating temperature is over 800°C; high Thermal Conductivity of up to 180W/mK;, very low CTE (Coefficient of Thermal Expansion); 0% water absorption for hermetic packages; low signal loss and fine microcircuit applications.
Q03: What is the via diameter available for alumina substrates?
A: Round vias with diameters of 0.2mm are available. Square holes and special shape holes are also available per request. Please contact us for details.
Q04: How are the ceramic substrates machined?
A: We use 100% laser processing. It is the best way to ensure precise and clean milling and drilling of ceramics.
About the Supplier
Company Profile
Established in 2008, JingHui Industry Ltd is a professional manufacturer and exporter that integrates the design, development, and production of various ceramic components in zirconia, alumina, silicon nitride, and aluminum nitride.
Our Facility is located in Loudi City, Hunan Province, and the export division is set up in Shenzhen city, with convenient transportation access. All of our products comply with international quality standards, such as ISO9001: 2015, RoHS, REACH, and FDA, and are greatly appreciated in various markets throughout the world.
We have over ten production lines covering raw material preparation, shaping, sintering, post-processing, metalizing and plating, and so on. The export business accounts for around 70% of our annual turnover. Our well-equipped facilities and excellent quality control system throughout all stages of production enable us to guarantee total customer satisfaction. Our high-quality products and outstanding customer service have helped us to build a global sales network in over 60 countries.
Our company offers a variety of technical ceramic products which can meet your multifarious demands. We have adhered to the management principles of "Quality First, Customer Orientation, and Credit-based" since the company's establishment and always do our best to satisfy every potential need of our customers. Our company is sincerely willing to cooperate with esteemed enterprises worldwide to realize a win-win situation since the trend of economic globalization has developed with irresistible force.
About Our Factory & Business Background
- Address
- 1st Bldg, No. 6352, Pingshan Ave., Shatian Community, Kengzi, Pingshan, Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram, RMB
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays - Nearest Port
- Shenzhen, HongKong, Shanghai
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2009-03-11
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What sizes are available for the alumina substrates?
- The typical largest size available is 280x240mm. Maximum standard thickness is 1.27mm and up to 2.0mm thicknesses are available per request. We offer customized products for special requirements.
- What is the via diameter available for alumina substrates?
- Round vias with diameters of 0.2mm are available. Square holes and special shape holes are also available per request. Please contact us for details.
- How are the ceramic substrates machined?
- We use 100% laser processing. It is the best way to ensure precise and clean milling and drilling of ceramics.
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