Disclosed is a heat radiation device, which is in contact with a first heat-producing component having a higher value of guaranteed temperature and a second heat-producing component having a lower value of guaranteed temperature, and the heat radiation device comprises a metal member provided with a
Disclosed is a heat radiation device, which is in contact with a first heat-producing component having a higher value of guaranteed temperature and a second heat-producing component having a lower value of guaranteed temperature, and the heat radiation device comprises a metal member provided with a slit. The metal member is divided by the slit to have two heat radiation regions, a first heat radiation region and a second heat radiation region that are loosely coupled with each other in terms of heat conduction. The first heat-producing component is placed in contact with the first heat radiation region, and the second heat-producing component is placed in contact with the second heat radiation region.
대표청구항▼
1. A heat radiation device comprising a metal member provided with an opening, the opening dividing the metal member into a first heat radiation region and a second heat radiation region loosely coupled with each other in terms of heat conduction, wherein: the first heat radiation region is in conta
1. A heat radiation device comprising a metal member provided with an opening, the opening dividing the metal member into a first heat radiation region and a second heat radiation region loosely coupled with each other in terms of heat conduction, wherein: the first heat radiation region is in contact with a first heat-producing component,the second heat radiation region is in contact with a second heat-producing component,a maximum allowable operating temperature of the first heat-producing component is higher than a maximum allowable operating temperature of the second heat-producing component,a heat dissipating capacity of the second heat radiation region is higher than a heat dissipating capacity of the first heat radiation region,the metal member includes one or more fins in each of the first and second heat radiation regions, andthe second heat radiation region includes a greater number of fins than the first heat radiation regions. 2. The heat radiation device according to claim 1, wherein: the opening includes a slit, andthe slit is formed in a portion of the metal member that is thinner than other portions of the metal member. 3. A heat radiation device according to claim 1, further comprising a plurality of holes, wherein the opening includes a plurality of slits spaced apart from the plurality of holes. 4. The heat radiation device according to claim 1, further comprising: a first heat conductive member in contact with the first heat-producing component and the metal member; anda second heat conductive member in contact with the second heat-producing component and the metal member, whereina thermal conductivity of the first heat conductive member is smaller than a thermal conductivity of the second heat conductive member. 5. A heat radiation device according to claim 1, wherein: the opening includes a U-shaped slit,the first heat radiation region is located inside of the U-shaped slit, andthe second heat radiation region is located outside of the U-shaped slit. 6. An electronic equipment comprising: a first heat-producing component having a first maximum allowable operating temperature;a second heat-producing component having a second maximum allowable operating temperature; anda heat radiation device including a metal member with an opening, the opening diving the metal member into a first heat radiation region and a second heat radiation region loosely coupled with each other in terms of heat conduction, wherein:the first heat radiation region is in contact with the first heat-producing component,the second heat radiation region is in contact with the second heat-producing component,the first maximum allowable operating temperature of the first heat-producing component is higher than the second maximum allowable operating temperature of the second heat-producing component,a heat dissipating capacity of the second heat radiation region is higher than a heat dissipating capacity of the first heat radiation region,the metal member includes one or more fins in each of the first and second heat radiation regions, andthe second heat radiation region includes a greater number of fins than the first heat radiation regions. 7. An electronic component comprising: a heat radiation device having a first heat radiation portion and a second heat radiation portion that are loosely coupled with each other in terms of heat conduction, the first heat radiation portion and the second heat radiation portion having different heat dissipating capacities;a first heat-producing component in contact with the first heat radiation portion; anda second heat-producing component in contact with the second heat radiation portion, wherein:a maximum allowable operating temperature of the first heat-producing component is higher than a maximum allowable operating temperature of the second heat-producing component,the first heat radiation portion includes a first metal member and a first heat conductive member,the second heat radiation portion includes a second metal member and a second heat conductive member, anda thermal conductivity of the first heat conductive member is smaller than a thermal conductivity of the second heat conductive member. 8. The electronic component according to claim 7, wherein the second heat radiation portion has a higher heat dissipating capacity than a heat dissipating capacity of the first heat radiation portion.
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이 특허에 인용된 특허 (12)
Casey, Jon A.; Corbin, Jr., John S.; Danovitch, David; Depatie, Isabelle; Jadhav, Virendra R.; Liptak, Roger A.; Marston, Kenneth C.; Muncy, Jennifer V.; Ouimet, Sylvain; Salvas, Eric, Achieving mechanical and thermal stability in a multi-chip package.
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