996 Alumina Ceramic Sheet for Alumina Ceramic Heat Sink

• Customization: Available
• Application: Refractory, Industrial Ceramics
• Material: Industrial Ceramics
• Model NO.: G-E212
• Process: Special Ceramic Plate
• Pressing Speed: Punch Forming
• Suppression Method: Unidirectional Pressurization
• Color: White, Yellow, Pink, Cream
• Useage: Thin Film Device
• Shape: Round, Square, Rectangular, Cylindrical
• Surface Finish: Polished, Machined, Slot, Bore, Notch
• Working Temperature: 1400-1800c
• Synonyms: Aluminium Oxide, Alundum, Corundum, Alumina Oxide
• Size: Customers′ Requests
• Feature: Heat Resistance, Mechanical Strength, Abrasion Res
• Grain Size: 1-10um
• Purity: 95%
• Type: Ceramic Part
• Transport Package: Carton
• Specification: CUSTOMIZED
• Trademark: Yunnuo
• Origin: China Shanghai
• HS Code: 8547100000
• Production Capacity: 500000 PCS/Year
• Package Size: 15.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

Alumina substrates for thin film circuits

    We can provide thin-film ceramic substrates,thin-film circuits and thick-film circuits.Advanced technology capability:powder modification,casting,sintering,CMP,sputtering,evaporation, photolithography, electroplating, etching, screen printing Isostatic pressure, laser cutting, etc

 

*Professional suppliers of ceramic thin-film substrates
*Maintains strict process controls and testing parameters to ensure a consistent product on every lot providing optimal value and performance
*Advanced secondary processes like laser machining, polishing, and lapping

Characteristics

Al2O3 %:≥99.6	Thermal Conductivity:≥30W/m.K@25ºC
Size:up to Dia. 8 inch	TCE:7.1 ppm/ºC(25-300ºC)
Thickness:0.05~2mm,±2%	Surface Finish :
Density:≥3.9 g/cm3	As fired:50-80nm/80-150nm
Water absorption %:0	Lapped:<300nm
Flexural strength:550 MPa	Polished:≤25nm
Dielectric Constant:9.9±0.1@10GHz	Volume Resistivity:≥1*1014 Ω.cm
Dielectric loss tangent:0.0001@10GHz	Dielectric Strength:≥15KV/mm

Size: Maximum Outer Dimensions 152.4mm.
Outer Dimension ± 0.3mm.
Typical Dimensions 50.8 *50. 8mm,76.2mm*76.2mm,101.6mm*101.6mm,OD 101.6mm
Substrate thickness
T:0.1- 3mm
Grinding and Polishing Disc Thickness ±0.01 mm
Typical thickness :0.127,0.254,0.381,0.508,0.635

95% 99% 99.7% alumina ceramic substrate 

Application:
They are used in thick film circuits, ceramic metallization, ozone generators, audio, LED lighting, electronic insulation devices,solar new energy and other industries.

Features:
It has the characteristics of low dielectric loss, stable electrical performance, smooth surface, consistent thickness, good
flatness, and overall dimensions,ect.

Size:
The thickness can be produced from 0.25mm -----15 mm, and the ceramic substrate can be punched and lineated.

We can customize to your requirements. 
 

Material data

 

AL2O3%	60	75	80	85	92	95	99	99.7
Bulk Density (g/cm3)	3.0	3.1	3.3	3.4	3.6	3.7	3.81	3.91
Flexural strength (MPa)	205	280	215.7	230	312	304	340	370
Linear expansion coefficient (×10-6/C)(25-800C)	7.1	7.6	7.6	7.6	7.5	7.3	7.6	7.6
Thermal conductivity [w/(m.R)]	16	17	17	17	18	20	34	35
Dielectric strength (KV/mm)	10	10	10	10	10	10	10	10
Volume resistivity (Ω.cm) 20C	>1014	>1014	>10 14	>1014	>1014	>1014	>1014	>1014
300C	>1013	>1013	>10 13	>1013	>1013	>1012	>1010	>1010
Max C	1350	1100	1300	1350	1500	1600	1700	1800
Moh's hardness	7.5	7.5	7.5	7.5	8.5	8.8	9	9
Refractoriness	1800	1700	1800	1850	1920	2000	2030	2040

 

Length mm	Width mm	Thickness mm
3	10	1
22	20	0.8
100	50	1
4	4	1
50	20	0.8
100	100	0.5-1
80	80	2
88	77	8
8.4	7.5	0.635
150	75	1
152	135	1
150	100	0.6
Diameter mm	Thickness mm
50	0.5
80	2
100	2

 

Company Profile

Way of shipping

Our Advantages

FAQ

Q1: How can know your quality?
We can send you samples or sample material for you to check or test.Let our physical samples speak loudly.
Q2:Are these samples free of charge?
Some standard small samples are free.If same as your requirements,we will just charge for mould to support.
Q3:If products are not to requirement,how can you do?
We will try our every best to solove it.Meeting your requirement is our mission.
Q4:What's the lead time?
Normally,for standard items,will ship within 1-10 days.For mass production order,we will finish within 30 working days after we receive payment.
Q5:Payment terms:
We can negotiate.