99.95% Pure Polished Molybdenum Discs
99.95% pure polished molybdenum discs Molybdenum Disks have a similar low coefficient of thermal expansion to that of si
Description
Basic Info.
Model NO. | MD-1 |
Specification | ISO9001: 2000 |
Trademark | shibo |
Origin | China |
HS Code | 81029500 |
Production Capacity | 50ton/Month |
Product Description
99.95% pure polished molybdenum discsMolybdenum Disks have a similar low coefficient of thermal expansion to that of silicon and high-performance machining properties, it is used for heat dissipation as electronic component of high power and high reliability semiconductor, contact materials in silicon controlled rectifiers diodes, transistors and thyristors (GTO'S), mounting material for power semiconductor, heat sink bases in IC'S, LSI'S and hybrid circuits.
Specification:
Products | Molybdehum discs, disks, circles. |
Name of material | Molybdenum ( Pure): Mo>=99.95% TZM: 0.5% Ti / 0.08% Zr / 0.01-0.04 C Molybdenum lanthanum alloy: 0.3% - 0.6% La2O3 |
Density at 20 degree | >=10.18g/cm3 |
Size | 0.1 - 100mm ( thickness ) * 5 - 500mm ( diameter ) |
Flatness tolerance | <4um |
Roughness | Ra 1.6 - Ra 0.8 |
Surface | Black, Cleaned, Machined, Polished. |
Characteristics: | 1) high melting point, high strength,2) smooth and clean surface,3) good conductions, small linear expansion coefficient and good heat-resistance |
Application | Molybdenum discs are widely used as contact materials in silicon controlled rectifier diodes, transistors and thyristors mounting material for power semiconductor devices and heat sink bases. |
Our test for pure molybdenum discs | |||||
Fe | Ni | Ca | Mg | Al | Cu |
0.001 | 0.0033 | 0.0012 | 0.0022 | 0.00048 | 0.00075 |
Pb | Bi | Cd | Sb | P | O |
< 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | 0.033 |
C | Mo | ||||
0.003 | > 99.95% |
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