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Aluminum Nitride Wafers

AlN wafers offers high thermal conductivity for thermal management application. A variety of specifications available. Satisfying various technical request.

item no. :
CS-AlN-B032
Color :
White, Grey, Customized.
Material : Aluminum Nitride
Shape : Round

contact now catalogue

description

Aluminum Nitride Wafers

Product Description:

Aluminum nitride ceramic substrate, high thermal conductivity, low coefficient of expansion, high strength, high temperature resistance, chemical resistance, high resistivity , low dielectric loss, is the ideal LSI heat dissipation board and packaging materials.

Aluminum Nitride is one of the few materials that offers electrical insulation and high thermal conductivity. This makes AlN extremely useful in high power electronic applications in heat sink and heat spreader applications.

ALN ceramics use heat resistant melt erosion and thermal shock resistance, can produce GaAs crystal crucible, Al evaporation pan, MHD power generation equipment and high temperature turbine corrosion resistant parts, using its optical properties can be used as an infrared window.

Size details:

Aluminum Nitride Substrate Size
Item NO.	Diameter (mm)	Thickness (mm)	Purity	Item NO.	Diameter (mm)	Thickness (mm)	Purity
CS-AlN-B032	10	1	99%	CS-AlN-B049	50	2	99%
CS-AlN-B033	15	1.5	99%	CS-AlN-B050	52	2	99%
CS-AlN-B034	18	0.5	99%	CS-AlN-B051	72.6	0.6	99%
CS-AlN-B035	30	1	99%	CS-AlN-B052	100	0.38	99%
CS-AlN-B036	35	1.5	99%	CS-AlN-B053	100	0.5	99%
CS-AlN-B037	40	1	99%	CS-AlN-B054	100	1.5	99%
CS-AlN-B038	40	1.5	99%	CS-AlN-B055	100	2	99%
CS-AlN-B039	40	2	99%	CS-AlN-B056	129.5	0.635	99%
CS-AlN-B040	45	1.5	99%	CS-AlN-B057	45	1	99%
CS-AlN-B041	45	2	99%	CS-AlN-B058	26	2	99%
CS-AlN-B042	50	0.38	99%	CS-AlN-B059	76.2	0.6	99%
CS-AlN-B043	50	0.5	99%	CS-AlN-B060	80	1	99%
CS-AlN-B044	50	1	99%	CS-AlN-B061	14	0.385	99%
CS-AlN-B045	50	1.5	99%	CS-AlN-B062	52	1	99%
CS-AlN-B046	20	1	99%	CS-AlN-B063	52	1.5	99%
CS-AlN-B047	26	1	99%	CS-AlN-B064	26	1.5	99%
CS-AlN-B048	30	0.5	99%	CS-AlN-B065	6	1	99%

Features:

1) A variety of specifications available.

2) Satisfy various technical request

3) Lower medium spoilage

4) Good insulation performance and high temperature resistance

5) Stiffness texture

6) Used in all electric products, electric heating products and wear resistant machinery parts.

Applications:

High-power circuits, RF and microwave circuits, GaAs crystal crucible, Al evaporation pan, MHD power generation equipment.

Properties:

Alumina Nitride (AlN)
Item	AlN180	AlN200	AlN220	Unit
Colour	Gray	Gray	Beige
Density	3.3	3.3	3.28	g/cm3
Flexural Strength	≥350	≥350	≥350	MPa
Compressive Strength	2500	2500	-	MPa
Elastic Modulus	320	320	320	GPa
Vickers Hardness (Load 500g)	10	9.5	9	HV0.5
Coefficient of Line Thermal Expansion	4.8	4.6	4.5	10^-6K^-1
Thermal Conductivity(20℃)	180	200	220	W/m·K
Volume Resistance at 20°C	>10¹⁴	>10¹⁴	>10¹³	cm
Dielectric Strength	≥15	≥15	≥15	KV/mm
Dielectric Constant (1MHz)	9	8.8	8.6	εr
Loss Tangent	5	5	3	10^-4

Production Process:

Packing:

Our Certificate:

FAQ

Q1: What is Aluminum Nitride(AlN)?
Aluminum Nitride (AlN) is a covalently bonded ceramic material formed from the two abundant elements, aluminum and nitrogen. It is highly stable in an atmosphere that is inert at temperatures over 2000°C and has a remarkable combination of properties, boasting high thermal conductivity and strong dielectric strength.T his makes it an indispensable material for thermal management and electrical applications.

Q2: What is Aluminium Nitride used for?
a. Heat sinks & Heat spreaders
b. Electrical insulators
c. Chucks and clamp rings for semiconductor processing equipment
d. Silicon wafer handling and processing
e. Substrates for electronic packages
f. Chip carriers for sensors and detectors
g. Laser heat management components
h. Molten metal fixtures
i. Packaging for microwave devices

Q3: Why is AlN a favored material for substrate and thermal management applications?
Aluminum Nitride is a one-of-a-kind ceramic material that offers both excellent thermal conductivity and high electrical resistivity. While Beryllium Oxide and cubic Boron Nitride also possess high thermal conductivity, usage of BeO is limited due to its toxicity and it is quite challenging to manufacture c-BN.

The capacity of a material to move heat while under the effect of a temperature differential is known as "thermal conductivity". In dielectrics such as AlN, heat transmission happens through lattice oscillations (or "phonons"). Elements having a straightforward composition, covalent bonding and low atomic mass normally demonstrate elevated thermal conductivity.

The thermal conductivity of a material is impacted by elements that hamper phonon dissemination. Such factors include temperature, impurities, pore size and placement, grain size, compositional homogeneity and alignment, all of which can significantly affect the lattice vibrations and, subsequently, the thermal conductivity.

The thermal conductivity of aluminium nitride, theoretically, is approximately 280 Wm-1K-1. The real thermal conductivity, on the other hand, is dependent on the processing parameters and the raw material quality. The incorporation of oxygen impurities into the lattice is a great disadvantage; as oxygen displaces nitrogen in the lattice, it forms vacancies that impede phonon propagation and scatter the phonons, thus leading to a decrease in thermal conductivity.

Q4. What information should we supply to get a quote?

Please offer the specification of ceramic boat for furnace, such as shape, dimension, quantity, application etc.

Q5. What type or material should we choose?

If you are not sure about the type/material needed, please kindly supply more details about working condition and application. Then our technical staff will check and offer you the most suitable type or material.

Q6. How can we place an order?

You can contact any sale person by email, Skype, WhatsApp, WeChat and so on.

And more details of the products you supplied will be helpful to get the targeted responses.

Q7. How long our order can be finished?

A mass of semi-finished products and standard sizes are available in stock, and according to the final confirm with the sales for bulk production or customized products.

Q8. What do you do on quality control?

For every batch, each step and finished products will be inspected when producing by QC department.

Q9. How can we get the sample?

Free samples can be supplied after communication, but freight is for your account.

Q10. Can you accept OEM/ODM?

Yes, your goods will be produced exactly according to your drawings or inquiry.

Contact information:

Ella Yu

Email:Ella@csceramic.com

Tel: 0086-731-23455639 Fax: 0086-731-23455639

Mobile / WhatsApp / WeChat: 0086-15377338375

ADD: Chashan Town Liling City Hunan Province ,China.