H ELECTRICITY
H05 ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
H05K7/00 Constructional details common to different types of electric apparatus
H05K7/20 Modifications to facilitate cooling, ventilating, or heating
H05K7/20709 for server racks or cabinets; for data centers, e.g. 19-inch computer racks
H05K7/20836 Thermal management, e.g. server temperature control