High Density 96 99 Alumina Al2O3 Substrates for Semiconductor Packaging

Price Negotiable

Price: Negotiated

MOQ: 100

Delivery Time: 10-30days

Brand: YH

Product Description

High Density Superior Thermal Conductivity 96 99 9999 Alumina (Al2O3) Substrates

for Semiconductor Packaging

	
			Alumina (Al₂O₃) ceramic plates:
Alumina (Al₂O₃) ceramic plates are advanced engineering components manufactured from high-purity aluminum oxide. Renowned for

			exceptional hardness, thermal stability, and electrical insulation, they serve critical roles across demanding industrial,

			electronic, and high-temperature applications. Available in purity grades from 92% to 99.5% and customizable geometries, they

			offer a superior alternative to metals, plastics, and other ceramics in extreme environments.

Application 
                                              Feature&Application                                                           

			√ High Voltage Insulator

			√ High Purity, Max. 99.8%

			√ Various Available Grades

			√ Hard and Wear Resistant

			√ High Corrosion Resistance

			√ High Mechanical Strength

			√ Good Thermal Conductivity

			√ High Operating Temperature

			√ Most Favorable Fine Ceramic

Performance That Outperforms Alternatives

	
			Item

			Unit

			95 Al2O3

			96 Al2O3

			99 Al2O3

			Physical Characteristics

			Heat resistance

			0C

			1500

			1550

			1800

			Bulk density

			g/cm3

			3.6

			3.6

			3.9

			Water absorption

			%

			0

			0

			0

			Mechanical Characteristics

			Flexural strength

			Mpa

			320

			340

			360

			Hardness vickers

			Gpa

			12.2

			13.5

			15.6

			Elastic modulus

			Gpa

			280

			320

			370

			Poisson’s ratio

			0.22

			0.23

			0.23

			Thermal Characteristics

			Linear expansion coefficient

			(20-5000C) 10-6/0C

			7.1

			7.2

			8

			Thermal conductivity

			w/(m.k)

			16

			24

			32

			Specific Heat

			*10-3J/(kg*K)

			0.78

			0.78

			0.9

			Electrical Characteristics

			Dielectric constant (1MHZ)

			-

			9

			9.4

			9.9

Various Types of Aluminum Nitride Sheets

We Can Do OEM and 0BM According to Your Drawing and Requirements.

Machining Ability of Alumina Ceramics:
Dimensional accuracy: Up to 0.02mm

Surface roughness: Ra0.02-3.2μm

Concentricity: Up to 0.02mm

Parallelism: Up to 0.01mmFlatness:Up to 0.01mm
Accuracy of Inner hole Drilling: Up to 0.01mm

Cylindricity: Up to 0.02mm

Thread machining: Minimum internal thread M2

Surface finish: As fired, glazed, grinding, polishing, metallization,coating

Packing 
FAQ
Q1. Do you provide product samples?
Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods?
We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time?
Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment?
Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer?
We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics.

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Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Yuanhong New Materials Co.,Ltd

Location No.22012 Building B,Wanda,Kaifu District,Changsha City,Hunan Province

Contact Person Julia

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√ High Voltage Insulator	√ High Purity, Max. 99.8%	√ Various Available Grades
√ Hard and Wear Resistant	√ High Corrosion Resistance	√ High Mechanical Strength
√ Good Thermal Conductivity	√ High Operating Temperature	√ Most Favorable Fine Ceramic

Item		Unit	95 Al2O3	96 Al2O3	99 Al2O3
Physical Characteristics	Heat resistance	0C	1500	1550	1800
	Bulk density	g/cm³	3.6	3.6	3.9
	Water absorption	%	0	0	0
Mechanical Characteristics	Flexural strength	Mpa	320	340	360
	Hardness vickers	Gpa	12.2	13.5	15.6
	Elastic modulus	Gpa	280	320	370
	Poisson’s ratio		0.22	0.23	0.23
Thermal Characteristics	Linear expansion coefficient	(20-5000C) 10^-6/0C	7.1	7.2	8
	Thermal conductivity	w/(m.k)	16	24	32
	Specific Heat	10^-3J/(kgK)	0.78	0.78	0.9
Electrical Characteristics	Dielectric constant (1MHZ)	-	9	9.4	9.9