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    • 5. 发明授权
    • Cooling system for cooling an electronic device and heat radiation fin
for use in the cooling system
    • 用于冷却电子设备的冷却系统和用于冷却系统的散热片
    • US5077601A
    • 1991-12-31
    • US404350
    • 1989-09-07
    • Toshio HatadaTakayuki AtarashiTakahiro DaikokuSatomi KobayashiShizuo ZushiFumiyuki KobayashiSusumu Iwai
    • Toshio HatadaTakayuki AtarashiTakahiro DaikokuSatomi KobayashiShizuo ZushiFumiyuki KobayashiSusumu Iwai
    • H01L23/467
    • H01L23/467H01L2924/0002
    • A cooling system for cooling an electronic device by allowing a cooling fluid to flow in contact with heat generating components such as LSI chips of the electronic device arranged in series along the major flow of the cooling fluid. The cooling system has heat radiation fins attached to the heat-generating components, and a cooling duct defining a cooling fluid flow passage in which assemblies composed of the heat-generating components and the heat radiation fins are disposed. The flow passage has, at the upstream end of the upstream end assembly, a cross-sectional area greater than that of the assembly when taken in a plane perpendicular to the direction of the major flow of the cooling fluid. The cross-sectional area of the flow passage progressively decreases towards the downstream end, whereby the flow passage is divided into a main passage through which a main flow component of the cooling fluid directly flows into the series of assemblies and an auxiliary passage through which an auxiliary component of the cooling fluid flows substantially vertically towards the heat-generating component to impinge upon the heat generating component.
    • 一种冷却系统,用于通过使冷却流体沿着沿着冷却流体的主流排列成串联的电子装置的发热部件等发热部件而流动而冷却电子设备。 冷却系统具有附接到发热部件的散热翅片,以及限定冷却流体流动通道的冷却管道,其中设置有由发热部件和散热翅片组成的组件。 当在垂直于冷却流体的主流方向的平面中时,流动通道在上游端组件的上游端处具有大于组件的截面面积的横截面面积。 流动通道的横截面积朝向下游端逐渐减小,由此流动通道被分成主通道,冷却流体的主流分量通过该主通道直接流入一系列组件和辅助通道,通过该辅助通道 冷却流体的辅助部件基本垂直地朝着发热部件流动以撞击发热部件。
    • 6. 发明授权
    • Cooling apparatus for electronic device
    • 电子设备冷却装置
    • US5705854A
    • 1998-01-06
    • US632618
    • 1996-04-15
    • Takayuki AtarashiTetsuya TanakaTakahiro Daikoku
    • Takayuki AtarashiTetsuya TanakaTakahiro Daikoku
    • H01L23/433H01L23/467H01L23/34
    • H01L23/4336H01L23/467H01L2924/0002
    • A cooling apparatus for electronic devices which is capable of reducing the flow resistance in an exhaust air flow passage to lessen noises and to improve the cooling performance of heat sinks when heat-generating semiconductor parts are very tightly mounted in a plane or when the calorific value of the heat-generating semiconductor parts is extremely large. In addition, the cooling apparatus realizes uniform air quantity distribution and uniform temperature distribution to the heat-generating semiconductor parts. Heat sinks 13 are respectively attached onto a plurality of heat-generating semiconductor parts 12a, 12b and 12c on a board 11. Further, nozzles 14 are respectively provided on the opposite side surfaces of heat-generating semiconductor part fitted surfaces of the heat sinks 13. The nozzles 14 have a substantially rectangular cross section parallel to the board, and are designed such that, when the ratio of the distance between the adjacent heat sinks to the pitch of the plurality of mounted heat sinks is not less than 0.00 but below 0.02, the ratio of the width of the nozzles 14 in the direction (X direction) that a refrigerant flows within the heat sinks 13 to the width of the heat sinks 13 is not less than 0.16 and not more than 0.35.
    • 一种用于电子设备的冷却装置,其能够在发热半导体部件非常紧密地安装在平面中时或者当发热量(以下简称为热值)时能够降低排气流路中的流动阻力以减小噪声并提高散热器的冷却性能 的发热半导体部件非常大。 此外,冷却装置实现均匀的空气量分布和对发热半导体部件的均匀的温度分布。 散热片13分别安装在板11上的多个发热半导体部分12a,12b和12c上。此外,喷嘴14分别设置在散热片13的发热半导体部件装配表面的相对侧表面上 喷嘴14具有与板平行的大致矩形的横截面,并且被设计成使得当相邻散热器之间的距离与多个安装的散热器的间距之比不小于0.00但小于0.02时 制冷剂在散热器13内流动的方向(X方向)上的喷嘴14的宽度与散热片13的宽度的比率不小于0.16且不大于0.35。
    • 9. 发明授权
    • Low thermal resistant, fluid-cooled semiconductor module
    • 低耐热,流体冷却的半导体模块
    • US5774334A
    • 1998-06-30
    • US520338
    • 1995-08-28
    • Keizo KawamuraNoriyuki AshiwakeTakahiro DaikokuAkio IdeiKenichi KasaiHideyuki KimuraAtsuo NishiharaToshio HatadaShigeyuki Sasaki
    • Keizo KawamuraNoriyuki AshiwakeTakahiro DaikokuAkio IdeiKenichi KasaiHideyuki KimuraAtsuo NishiharaToshio HatadaShigeyuki Sasaki
    • H01L23/433H05K7/20
    • H01L23/4338H01L2224/16H01L2224/73253
    • Semiconductor devices are fixed on a substrate by solder and a semiconductor module having an enclosed structure is formed by the substrate, flanges and a housing. Two groups of heat conducting members, each having fins respectively in contract with the semiconductor devices and an inner wall of the housing are attached to the semiconductors. A fin thickness of each fin of the two groups of heat conducting members is comparatively thick, a fin height is low and the respective fins of the respective opposed heat conducting members have with very small clearances therebetween. A liquid as a heat conducting medium is enclosed in the semiconductor module. The liquid level of the semiconductor module is controlled such that it contacts a uppermost semiconductor device in the semiconductor module in a vertical arrangement. Further, valve mechanisms for introducing and removing a cooling fluid are provided at a top face and a bottom face of a space formed in the semiconductor module. The mass production capability of the heat conducting members is improved by providing such highly rigid fins, and improved cooling function is provided by firmly introducing the cooling medium to the respective fins while permitting the module to be reduced in size.
    • 半导体器件通过焊料固定在衬底上,并且具有封闭结构的半导体模块由衬底,凸缘和壳体形成。 两组导热构件分别与半导体装置收缩的翅片和壳体的内壁连接到半导体。 两组导热构件的每个翅片的翅片厚度相对较厚,翅片高度低,并且相应的相对的导热构件的各个翅片之间的间隙非常小。 作为导热介质的液体封装在半导体模块中。 半导体模块的液面被控制成使得其以垂直方式接触半导体模块中的最上面的半导体器件。 此外,在半导体模块中形成的空间的顶面和底面设置有用于引入和移除冷却流体的阀机构。 通过提供这种高度刚性的翅片来提高导热构件的批量生产能力,并且通过将冷却介质牢固地引入各个翅片来提供改进的冷却功能,同时允许模块减小尺寸。