Intel QX9770 Design Guidelines - Page 79
Thermal Calibration and Controls, IHS Groove, Omega Thermocouple
UPC - 735858197564
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Case Temperature Reference Metrology Figure 31. Omega Thermocouple D.3 D.4 Thermal Calibration and Controls It is recommended that full and routine calibration of temperature measurement equipment be performed before attempting to perform case temperature measurements. Intel recommends checking the meter probe set against known standards. This should be done at 0 ºC (using ice bath or other stable temperature source) and at an elevated temperature, around 80 ºC (using an appropriate temperature source). Wire gauge and length also should be considered as some less expensive measurement systems are heavily impacted by impedance. There are numerous resources available throughout the industry to assist with implementation of proper controls for thermal measurements. NOTES: 1. It is recommended to follow company standard procedures and wear safety items like glasses for cutting the IHS and gloves for chemical handling. 2. Ask your Intel field sales representative if you need assistance to groove and/or install a thermocouple according to the reference process. IHS Groove Cut a groove in the package IHS according to the drawing given in Figure 32. Thermal and Mechanical Design Guidelines 79