Aerospace / Microelectronics Industry Beryllium Oxide Ceramic

Beryllium Oxide Ceramic

 

 

We mainly produce beryllium oxide, boron nitride, silicon carbide, corundum mullite ceramic, A-75 ceramic, A-95 ceramic, A-96 ceramic, A-99 ceramic and other ceramic products, which are widely used in aerospace, microelectronics, optoelectronics, communications, electric vacuum and power electronics industries, among which the production technology of beryllium oxide ceramics represents the highest level in China, and the product performance indexes reach the world advanced level.

 

Technique Data of Beryllium Oxide Ceramic

 

Item	Test Conditions	Specification		Unit
		B-97	B-99
Dielectric Constant	1MHz	6.9士0.4	6.9士0.4
	(10士0.5)GHz
Dielectric Loss Tangent	1MHz	≤4X 10-4	≤4X 10-4
	(10士0.5)GHz	≤8X 10-4	≤8X 10-4
Volume Resistivity	25℃	≥1014	≥1014	Ω.cm
	300℃	≥10"	≥10"
Breakdown Strength	D C	≥15	≥20	kV/mm
CMOR	-	≥170	≥190	MPa
Average Linear Expansion Coefficient	25℃~500℃	(7.0~8.5)*10-4	(7.0~8.5)*10-4	I/K
Thermal Conductivity	25℃	≥200	≥240	W/m.K
	100℃	≥160	≥190
Thermal Shock Resistance	0℃-800℃	There should be no cracks
Bulk Density		≥2.85	≥2.85	g/ cm3
Chemical Stability	1:9HCL	≤0.3	≤0.3	Mg/cm2
	10% NaOH	≤0.2	≤0.2
Air Tightness	-	≤10*10-11	≤10*10-11	Pa. m3/s
Average Grain Size	-	12~30	12~30	μm

Product Tags:

Microelectronics Industry Beryllium Oxide Ceramic

      

Microelectronics Industry Beryllium Oxide Ceramic

      

Microelectronics Industry BeO Ceramic

      

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