High Electrical Insulation 2" 4" 96% Alumina Ceramic Substrate

• Application: Refractory, Structure Ceramic, Industrial Ceramic
• Material: Alumina Ceramic
• Type: Ceramic Plates
• Product Name: Ceramic Substrate
• Purity of Material: 96%, 99% Alumina
• Color: White, Ivory, Pink
• Model NO.: Standard
• Min. Thickness: 0.10mm
• Max. Thickness: 30mm
• Features: High Insulation Strength
• Transport Package: Individual Packaging with Pallet
• Specification: Max. 500mm x 500mm
• Trademark: JingHui
• Origin: China
• HS Code: 8547100000
• Production Capacity: 5000000/Month

Product Description

High Electrical Insulation Tape Casting 96% Alumina Ceramic Substrate 4 inch
 

Product Description

We focus on manufacturing alumina (Aluminum oxide, Al2O3) ceramic substrate for over 14 years under rigorous quality control with carefully selected high purity ceramic materials ranging from 95% to 99.6%.

All these ceramic substrates offer extraordinary electrical, thermal and mechnical properties, especially the outstanding thermal conductivity, similar coefficient of thermal expansion thermal to Si.  Furthermore, one of the unique properties is its superb surface roughness to be Ra0.2 which results in excellent adhesion strength with a thin film and thick film metallization due to fine particles, it's an ideal material for a wide range of circuit board.

The regular forming methods we use include tape-casting, isostatic pressing, dry pressing. We are dealing with a variety of selection of thicknesses from small-size to large-size capability. With our comprehensive types of manufacturing types of equipment, we have the capability from prototyping to mass production in the short term.

The Prime Characteristics

High thermal conductivity	Up to 31 W/m.k at room temperature
Low density	Over 3.75 g /cm3, with light weight
Good thermal shock	Greater than 800 T(ºC) without any cracks
Good surface roughness	Roughness to be Ra0.2 or better, and warpage less than 0.3%
Anti-aging	Resistance to oxidization and free of rusty forever
Ideal electrical properties	Dielectric Strength≥15 KV/mm,  Dielectric Loss Angle ≤3 ×10^-4, Dielectric Constant : 9.4 MHz
Heat dissipation	Much quicker than tradditional cooper and aluminum metal materials

 

Typical Applications

Remark:
Alumina ceramic substrates are widely used in high power modules, LED lighting, power semiconductor, automotive electronics, DBC ceramic substrate
 

Our Advantages

We have sufficient safety stock for standard ceramic substrate,  it's easy to meet your quick and flexible delivery requirement. Refer to the checklist of alumina ceramic substrate in stock. 

Size  (Unit: mm)	Thickness
132 x 142	1.0	0.635	0.80
114 x 114	1.0	0.635	0.80	0.385
109 x 130	1.0	0.635	0.80
109 x 109	1.0	0.635	0.80
287 x 87		0.635
395 x 83	1.0
122 x 120	1.0		0.80	0.50
109 x 120	1.0	0.635	0.80
138 x 190	1.0	0.635	0.80	0.50
127 x 127	1.0	0.635	0.80
280 x 240	1.0	0.635	0.80

Remark: 
All the above ceramic substrate can be cut as per customers' specific specifications, the largest diameter to be 500mm for 2mm thick substrate.

We also produce

Remark:
We offer ceramic substrates in selection of materials, mainly including aluminum nitride, silicon nitride and zirconium oxide and so on. All these substrates can be in-house lapped, polished and metallized. 

Packaging & Shipping

Remark:
The attached packaging solution is our standard one. In common case, the internal configuration will be customize designed per customers' specification of ceramic substrate.

Certifications

FAQ

Q01.What are the main advantages of a Ceramic PCB?

A: Maximum operating temperatures of the substrates of 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 with the DPC production method.

Q02: What sizes are available for the Alumina substrates?
A: The typical largest size available is 280x140mm. Rectangular shapes are available up to 400x110mm. Maximum standard thickness is 1.27mm and up to 2.0mm thicknesses are available per request. We offer customized products for special requirements.

Q3: 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.

Q4:How are the ceramic substrates machined?
A: We use 100% laser processes. This is the best way to ensure precise and clean milling and drilling of the ceramic.

Q5: What other products do you manufacture?
A: Yes, we also produce metalized ceramics, ceramic seals and high precision pump plunger and pistons besides alumina ceramic substrates.