60p Easy Recoil Ceramic Disk
The thermal expansion coefficient (4.5脳10-6掳C) is matched with Si (3.5-4脳10-6掳C) and GaAs (6脳10-6掳C);
Excellent electrical properties (dielectric constant, dielectric loss, volume resistivity, dielectric strength);
Data Sheet
Item | Unit | Typical Values |
Physical Properties | ||
Color | White/Grey | |
Chemical Formula | / | AIN |
Gas permeability | 0 | |
Water Absorption | 0 | |
Mechanical Properties | ||
Rockwell Hardness(45N) | R45N | 40 |
Vickers Hardness (Load 500g) | Gpa(Kg/mm虏) | 11.5(1175) |
Flexural Strength | Mpa | 50~60 |
Compressive Strength | Mpa | 280~500 |
Modulus of Elasticity(25掳C) | Gpa | 65 |
Thermal Properties | ||
Thermal Conductivity | W/m路K | 320 |
Thermal Expansion Coefficient | 10-6/潞C | 4.5脳10-6潞C |
Thermal Shock Resistance | T掳C | 200 |
Maximum Use Temperature | 掳C | 2200 |
Electronic Properties | ||
Dielectric Constant | Er | 3.5-3.7 |
Volume Resistivity(400~600潞C) | 惟.cm | 2.3~5.6M |
(1) High thermal conductivity (about 320W / m 路 K), close to BeO and SiC, more than 5 times that of Al2O3;
(2) The thermal expansion coefficient (4.5脳10-6掳C) is matched with Si (3.5-4脳10-6掳C) and GaAs (6脳10-6掳C);
(3) Excellent electrical properties (dielectric constant, dielectric loss, volume resistivity, dielectric strength);
(4) Good mechanical properties, higher flexural strength than Al2O3 and BeO ceramics, can be sintered at normal pressure;
(5) Good optical transmission characteristics;
(6) Non-toxic;
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