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公开(公告)号：EP2560466A4
公开(公告)日：2015-05-06
申请号：EP11768652
申请日：2011-01-26
发明人： HARA TOSHITAKA , HASHIMOTO KYOSUKE , NOJI KIYONOBU , ABE KYUTARO , FUKAI HIROYUKI , TAKAHASHI NAOMI
CPC分类号： H05K1/183 , H05K1/0271 , H05K1/141 , H05K2201/048 , H05K2201/09063 , H05K2201/09118 , H05K2201/1003
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公开(公告)号：EP2685795A4
公开(公告)日：2015-03-25
申请号：EP12754301
申请日：2012-02-27
发明人： ABE KYUTARO , FUKAI HIROYUKI , KIHARA YASUSHI , UTSUMI JURO , TAKAHASHI NAOMI
CPC分类号： H05K1/0263 , H05K1/141 , H05K1/142 , H05K1/183 , H05K3/3447 , H05K3/4092 , H05K2201/0397 , H05K2201/09118 , H05K2201/10409 , Y10T29/49144
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公开(公告)号：EP2574159A4
公开(公告)日：2016-11-30
申请号：EP11783574
申请日：2011-05-18
IPC分类号： H05K7/20 , F28D15/02 , F28F1/32 , F28F3/02 , H01L23/367 , H01L23/427 , H01L23/467
CPC分类号： F28D1/00 , F28D15/0266 , F28D15/0275 , F28F1/32 , F28F3/022 , F28F2215/04 , H01L23/3672 , H01L23/427 , H01L23/467 , H01L2924/0002 , H05K7/20218 , H05K7/2039 , H01L2924/00
摘要： It is an object to provide a cooling device with an increased leeward cooling capacity without increasing the number of heat radiation fins to be installed and the amount of cooling air. The cooling device comprises a heat-receiving block thermally connected to a heat-generating element and heat radiation fin groups having a plurality of fins thermally connected to the heat-receiving block. A flow of cooling air is set in the direction parallel to the heat-receiving block. The plurality of heat radiation fin groups are arranged in tandem along the flow direction of the cooling air. Of the plurality of the heat radiation fin groups, the fin pitch of the heat radiation fin group arranged on the windward side of the cooling air is larger than the fin pitch of the heat radiation fin group arranged on the leeward side of the cooling air.
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