| CoorsTek, the largest technical ceramics manufacturer in North America, provides advanced material solutions to virtually every industry in the global economy – and has for over 90 years. CeraLase Ceramics – Designed for Laser Equipment CoorsTek CeraLase ceramics are engineered specifically for high-performance, long-life laser equipment components. These advanced materials provide: • High reflectance (see chart at right) • Excellent dielectric strength • Superior corrosion resistance • Exceptional thermal stability • High strength and hardness • Inherent cleanliness Variety of Materials for a Variety of Applications CoorsTek manufactures custom ceramic components for numerous types of lasers and laser applications: Lasers • Excimer • CO2 • Solid state/NdYag • Diode pump • Ion lasers Applications • Diffuse reflectors • Feedthroughs • Insulators, channeled cooling • Laser waveguides • Ion laser tubes Advanced Manufacturing Capabilities Our state-of-the-art forming methods and statistically controlled processing ensure leading-edge, low-cost manufacturing. Advanced capabilities in green machining and precision grinding enable extreme customization of design to meet the most demanding applications. Secondary Processing Capabilities • Metallizing • Brazing • Glazing • Component assembly • Hermeticity/helium leak testing Table 1. CeraLase Ceramics for Laser Equipment | | | Density | gm/cc | ASTM-C 20 | 3.70 | 3.72 | 3.80 | 3.90 | 3.93 | | Flexural Strength (MOR), 20 °C | MPa (psi X 103) | ASTM-F417 | 352 (51) | 358 (52) | 375 (54) | 379 (55) | 390 (58) | | Elastic Modulus, 20 °C | GPa (psi X 106) | ASTM-C848 | 303 (44) | 303 (44) | 350 (51) | 370 (54) | 370 (54) | | Poisson's Ratio, 20 °C | * | ASTM-C848 | 0.21 | 0.21 | 0.22 | 0.22 | 0.22 | | Compressive Strength, 20 °C | MPa (psi X 103) | ASTM-C773 | 2103 (305) | 2068 (300) | 2500 (363) | 2600 (377) | 2700 (390) | | Hardness | GPa | Rockwell 45N | 78 | 78 | 82 | 83 | 83 | | Thermal Conductivity, 20 °C | W/mK | ASTM-C408 | 22.4 | 24.7 | 27.5 | 30.0 | 30.0 | | CTE, 25-1000 °C | 1x10-6/°C | ASTM-C372 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | | Volume Resistivity, 25 °C | Ohm-cm | ASTM-D1829 | >1014 | >1014 | >1014 | >1014 | >1014 |
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