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    • 1. 发明申请
    • Heat sinks for CPUs for use in personal computers
    • 用于个人电脑的CPU散热器
    • US20020044424A1
    • 2002-04-18
    • US09992407
    • 2001-11-26
    • Showa Aluminum Corporation
    • Suzushi HashimotoKazuo KinagaShoji Akutsu
    • H05K007/20
    • H01L21/4878H01L23/3672H01L23/4093H01L23/467H01L2924/0002H01L2924/00
    • A heat sink for CPUs for use in personal computers comprises a radiating base plate of metal having on one surface thereof a flat portion for receiving the heat generated by the CPU, and a plurality of radiating fins formed in a raised shape on the other surface of the radiating base plate integrally therewith by cutting. The heat sink is 3 to 8 mm in the thickness of the radiating base plate, 20 to 50 mm in the height of the radiating fins from the base ends of the fins to the outer ends thereof, 0.2 to 0.7 mm in the thickness of the radiating fins, 1.5 to 4 mm in the fin pitch of the radiating fins, and 6 to 62 in the ratio of the height of the radiating fins from the base ends to the outer ends to the spacing between the radiating fins adjacent to one another. When equipped with a cooling fan, the heat sink is 3 to 8 mm in the thickness of the radiating base plate, 15 to 35 mm in the height of the radiating fins from the base ends of the fins to the outer ends thereof, 0.2 to 0.7 mm in the thickness of the radiating fins, 1.5 to 2.5 mm in the fin pitch of the radiating fins, and 7 to 44 in the above-mentioned ratio. The heat sink can be provided with a greater number of radiating fins than the conventional heat sink wherein platelike radiating fins are formed integrally with a radiating base plate when both the sinks are identical in the size of the base plate, hence an increased radiating area.
    • 用于个人计算机的用于CPU的散热器包括金属辐射基板,其一个表面上具有用于接收由CPU产生的热量的平坦部分,以及在另一个表面上形成为凸起形状的多个散热片 辐射基板通过切割与其一体地形成。 散热基板的厚度为3〜8mm,翅片基端至其外端的散热片的高度为20〜50mm,厚度为0.2〜0.7mm 辐射翅片翅片间距为1.5〜4mm,散热翅片从基端至外端的高度与相邻的散热片间的间隔为6〜62°。 当配备冷却风扇时,散热板的厚度为3至8毫米,散热片从翅片底端至其外端的高度为15至35毫米,为0.2至 散热片的厚度为0.7mm,散热片的翅片间距为1.5〜2.5mm,上述比为7〜44。 散热器可以设置有比常规散热器更大数量的散热片,其中当两个接收器在基板的尺寸相同时,板状散热片与辐射基板一体形成,因此辐射面积增加。
    • 3. 发明申请
    • Flat heat exchange tubes
    • 扁平换热管
    • US20010006105A1
    • 2001-07-05
    • US09748015
    • 2000-12-27
    • SHOWA ALUMINUM CORPORATION
    • Hirohiko WatanabeRyouichi Hoshino
    • F28F001/00
    • F28D1/0316F28F3/04
    • A flat heat exchange tube comprises an upper wall, a lower wall, right and left side walls interconnecting right and left side edges of the upper and lower walls, and a plurality of reinforcing walls connected between the upper and lower walls, extending longitudinally of the tube and spaced apart from one another. The tube has parallel fluid passages formed inside thereof and extending forward or rearward. Each of the reinforcing walls has a plurality of communication holes arranged at a spacing longitudinally thereof for holding the parallel fluid passages in communication with one another therethrough. The upper surface of the lower wall is provided at a portion thereof forming each of the fluid passages with a plurality of turbulence producing portions extending over the entire width of the fluid passage and arranged at a spacing longitudinally of the passage.
    • 扁平的热交换管包括上壁,下壁,互连上壁和下壁的左右侧边缘的左右侧壁,以及连接在上壁和下壁之间的多个加强壁, 并彼此间隔开。 管具有在其内部形成并且向前或向后延伸的平行流体通道。 每个加强壁具有多个沿其长度方向布置的连通孔,用于保持彼此连通的平行流体通道。 下壁的上表面在其形成每个流体通道的部分处设置有多个湍流产生部分,其在流体通道的整个宽度上延伸并且沿通道的纵向布置。
    • 4. 发明授权
    • Evaporator
    • 蒸发器
    • US6145587A
    • 2000-11-14
    • US158067
    • 1998-09-22
    • Tatsuya Hanafusa
    • Tatsuya Hanafusa
    • F25B39/02F28D1/03F28F3/04F28F27/02F28D9/00
    • F28F9/027F25B39/022F28D1/0341F28F3/04
    • An evaporator comprises front and rear header portions, and U-shaped flat tubular portions arranged in parallel and each connected at opposite ends thereof to the header portions. Each of the header portions is provided with a partition for blocking a refrigerant flowing inside thereof and directing the refrigerant toward some of the flat tubular portions to thereby form a refrigerant channel comprising a plurality of paths each turned by the partition. The rear header portion of the final path is provided with a refrigerant dividing wall having refrigerant apertures for passing therethrough a portion of the refrigerant flowing in from the path immediately upstream from the final path, with the remaining portion of the refrigerant blocked by the wall and directed toward some of the flat tubular portions.
    • 蒸发器包括前集管部分和后集管部分,并且平行布置的U形扁平管状部分,并且每个连接在其两端部与集管部分。 每个集管部分设置有用于阻挡在其内部流动的制冷剂的分隔件,并将制冷剂引向一些扁平的管状部分,从而形成包括由分隔件转动的多个路径的制冷剂通道。 最终路径的后集管部分设置有制冷剂分隔壁,该制冷剂分隔壁具有制冷剂孔,用于使从其中最后路径的上游路径流入的制冷剂的一部分通过,制冷剂的剩余部分被壁阻塞, 指向一些扁平管状部分。
    • 5. 发明授权
    • Magnetic hard disc substrate and process for manufacturing the same
    • 磁性硬盘基板及其制造方法
    • US6123603A
    • 2000-09-26
    • US94915
    • 1998-06-12
    • Kiyoshi TadaKenji TomitaKurata AwayaTomoya Utashiro
    • Kiyoshi TadaKenji TomitaKurata AwayaTomoya Utashiro
    • B24B1/00G11B5/82
    • G11B5/8404G11B5/82Y10T428/1275Y10T428/24355
    • A magnetic hard disc substrate made of an aluminum alloy for memory devices such as a computer must correspond to an improved structure in which the interval between a head and a medium is made narrower to attain high density recording. In order to prevent head crash, it is required that the magnetic hard disc substrate have a smooth surface and decreased defects. The present invention provides a process for manufacturing a magnetic hard disc substrate made of an aluminum alloy which satisfies the above requirements and also provides a disc substrate which has a surface roughness Ra.ltoreq.0.5 nm and is free from abrasive flaws with a depth of 5 nm or more and from micro-waviness or provides a disc substrate which has a surface roughness Ra.ltoreq.5 angstroms and a surface roughness Rmax.ltoreq.80 angstroms and in which the number of scratches with a depth of 50 angstroms or more is 5 or less and the number of pits with a depth of 50 angstroms or less is 5 or less in the surface.
    • 用于计算机等存储装置的由铝合金制成的磁性硬盘基板必须对应于头部和介质之间的间隔变窄以达到高密度记录的改进结构。 为了防止头部碰撞,需要磁性硬盘基板具有光滑的表面和减少的缺陷。 本发明提供一种制造满足上述要求的由铝合金制成的磁性硬盘基板的方法,并且还提供了具有表面粗糙度Ra <0.5nm并且没有磨蚀缺陷的盘基片,其深度为 5nm以上,微波纹或提供具有表面粗糙度Ra 5埃,表面粗糙度Rmax <80埃的圆盘基板,其中深度为50埃以上的划痕数 为5以下,深度为50埃以下的凹坑的数量在表面为5以下。