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| | | Thermal Clad Reliability | | |
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| | | Thermal Clad Long Term Reliability New materials undergo a rigorous 12 to 18 month qualification program prior to being released to the market. In state-of-the-art laboratories and test facilities, Bergquist performs extensive testing on all their thermal materials for electrical integrity. Bergquist utilizes stringent development procedures outlined in Bergquist document #Q-6019. The lab facilities at Bergquist are UL certified and manufacturing facilities are QS 9000 certified. | | |
| | | Extensive qualification testing consists of mechanical property validation, adhesion, temperature cycling, thermal and electrical stress. To validate long term reliability, electrical testing is performed at selected intervals to 2000 hours where final evaluation is completed. To ensure consistent product performance with materials manufactured, we couple the up-front qualification test with ongoing monthly audits. These audits include physical, electrical and thermal property tests. | | |
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| | | Qualification Programs | | |
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| | | Physical Properties | | Electrical Properties | | Other Properties Evaluated | | |
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| | | Insulation Impedance Temp/Hum/Bias 85C/85%RH/100V 2000 hours Thermal Bias Aging 125C/100V/2000h | | Permitivity/Dissipation Temp/Hum/Bias 85C/85%RH/100V 2000 hours Thermal Bias Aging 125C/100V/2000h | | Thermal Shock Sand Bath 300C/1 minute and 200C/72 hour post | | |
| | | Peel Adhesion Pull Strength Sequential Aging | | Breakdown Voltage DC and AC Sequential Aging | | |
| | | Ten Cycle Solder Shock | | |
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| | | Thermal Conductivity | | |
| | | Thermal Stress 230C/10 min. | | Thermal Stress 230C/10 min. | | |
| | | Flammability | | |
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| | | Thermal Aging 125C/2000 hours | | Thermal Aging 125C/2000 hours | | Thermal Bias Aging 125C/480V/2000h | | Thermal Bias Aging 125C/480V/2000h | | |
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| | | Temp Cycling 500 cycles/-40C-150C 350 hours | | Temp Cycling 500 cycles/-40C-150C 350 hours | | Thermal Bias Aging 175C/100V/2000h | | Thermal Bias Aging 175C/100V/2000h | | |
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| | | Temp/Hum/Bias 85C/85%RH/100V 2000 hours | | Temp/Hum/Bias 85C/85%RH/100V 2000 hours | | |
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| | | Chemical Soak Loncoterge - 15 min. Alcohol - 15 min. | | Chemical Soak Loncoterge - 15 min. Alcohol - 15 min. | | |
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