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    • 1. 发明授权
    • Method of melting material between telescopingly engaged elements
    • 在伸缩接合元件之间熔化材料的方法
    • US06805281B1
    • 2004-10-19
    • US09722775
    • 2000-11-27
    • Joseph Sirgedas
    • Joseph Sirgedas
    • B23K100
    • B23K1/0008B23K2101/06
    • A method of forming a meltable material at a joint between telescopingly engaged male and female elements, with the female element having a joint surface that surrounds a joint surface of the male element. The method includes the steps of: placing a ring of the meltable material around one of the male and female elements at a first location spaced from the joint; heating the male and female elements at the joint to a temperature at which the meltable material melts; sliding the ring of meltable material from the first location to a second location; with the ring of meltable material at the second location and the male and female elements of the joint at a temperature at which the meltable material melts, causing the meltable material to flow between the male and female joint surfaces; and cooling the male and female elements at the joint to solidify the meltable material between the male and female joint surfaces.
    • 在可伸缩接合的阳和阴元件之间的接头处形成可熔材料的方法,其中阴元件具有围绕阳元件的接合表面的接合表面。 该方法包括以下步骤:将可熔融材料的环围绕其中一个阳元件和阴元件放置在与接头间隔开的第一位置处; 将接头处的阳元件和阴元件加热到可熔材料熔化的温度; 将可熔材料的环从第一位置滑动到第二位置; 在第二位置处的可熔材料环和接头的阳和女元件处于可熔材料熔化的温度,使可熔材料在阳接头表面和阴接头表面之间流动; 并且在接头处冷却阳元件和阴构件,以使阳和阳接头表面之间的可熔材料固化。
    • 7. 发明授权
    • Solder reflow oven
    • 焊锡回流炉
    • US06386422B1
    • 2002-05-14
    • US09847278
    • 2001-05-03
    • Chi Wah ChengPing Chun Benson ChongHoi Shuen Joseph TangKai Chiu Adam WuKa On Alfred Yue
    • Chi Wah ChengPing Chun Benson ChongHoi Shuen Joseph TangKai Chiu Adam WuKa On Alfred Yue
    • B23K100
    • B23K1/008B23K2101/40
    • A solder reflow oven for the processing of ball grid array substrates bearing solder balls is described, comprising: input means for introducing substrates into the oven, a processing chamber within which the substrates are subject to a solder reflow process, and output means for discharging substrates from the oven for further processing or handling, and means for transferring the substrates through the processing chamber in a first direction towards the output means. The processing chamber comprises a plurality of heating and cooling zones arranged with a constant pitch in the first direction, and the transferring means is adapted to move the substrates in the first direction in stages, with each component moving a distance equal to the pitch between two zones in each stage, whereby the components are moved from zone to zone in stages. In addition each block of each heating zone and each block of each cooling zone is connected to a source of fresh gas, and each block of each heating zone is provided with means for heating the gas, and each block of each cooling zone is provided with means for cooling the gas, and each block is formed with a serpentine channel between the source of fresh gas and at least one opening through which the gas is discharged from the block towards a substrate.
    • 描述了用于处理支撑焊球的球栅阵列基板的焊料回流炉,包括:用于将基板引入烘箱的输入装置,其中基板经受焊料回流处理的处理室,以及用于放电基板的输出装置 从烤箱进一步处理或处理,以及用于将基板沿着第一方向朝向输出装置传送通过处理室的装置。 所述处理室包括沿所述第一方向以恒定间距排列的多个加热和冷却区,并且所述传送装置适于分阶段移动所述基板沿所述第一方向,其中每个部件移动距离等于所述第二方向之间的间距 每个阶段的区域,从而分量从一个区域逐步移动到另一个区域。 此外,每个加热区和每个冷却区的每个块的每个块连接到新鲜气体源,并且每个加热区的每个块设置有用于加热气体的装置,并且每个冷却区的每个块被提供有 用于冷却气体的装置,并且每个块在新鲜气体源和至少一个开口之间形成有蛇形通道,气体通过该开口从块向衬底排出。
    • 8. 发明授权
    • Fluxless joining process for enriched solders
    • 富集焊剂的无焊接加工工艺
    • US06250540B1
    • 2001-06-26
    • US09302740
    • 1999-04-30
    • Frank D. EgittoLuis J. Matienzo
    • Frank D. EgittoLuis J. Matienzo
    • B23K100
    • B23K35/0244B23K1/206B23K2101/40H05K3/3489
    • A process for promoting fluxless soldering of a mass of bulk solder having a bulk ratio of a first metal to a second metal, such as lead-enriched solder that has significantly more lead than tin. The process comprises exposing the bulk solder to energized ions of a sputtering gas in the presence of a halogen, such as fluorine, and forming a surface layer having a desired surface layer ratio of the first to the second metal that is less than the bulk ratio, the surface layer further comprising an uppermost surface film containing the fluorine or other halogen. After the solder exposure and surface-layer formation, the process may further comprise electrically joining the solder to a surface without using externally-applied flux. This process enables the joining step to be performed at less than 300° C., at approximately 180° C.
    • 一种用于促进具有第一金属与第二金属的体积比的大块焊料的无助焊剂的方法,例如比锡显着更多的铅的富铅焊料。 该方法包括在诸如氟的卤素存在下将大块焊料暴露于溅射气体的激发离子,并形成表面层,该表面层具有小于体积比的第一至第二金属的所需表面层比 表面层还包含含氟或其它卤素的最上表面膜。 在焊料曝光和表面层形成之后,该方法还可以包括将焊料电连接到表面而不使用外部施加的焊剂。 该方法使接合步骤能够在低于300℃,约180℃下进行。
    • 9. 发明授权
    • Solder collecting capsule and solder extracting desoldering tool using same
    • 焊料采集胶囊和焊料提取脱焊工具使用相同
    • US06237831B1
    • 2001-05-29
    • US09510682
    • 2000-02-22
    • David W. LawrenceDung T. LeWilliam Jordan SiegelDavid Lee Gilbert
    • David W. LawrenceDung T. LeWilliam Jordan SiegelDavid Lee Gilbert
    • B23K100
    • B23K3/029B23K1/018
    • A disposable solder receiving capsule for a hand held vacuum solder extracting desoldering tool is formed of an outer tube which is closed at one end by a porous filter and has an opening at its opposite end, and a hollow solder collection chamber part, having a tubular member with an open end and which is closed with respect to the passage of solder therethrough at an opposite end, forming a solder receiving space within it. The solder collection chamber part is concentrically positioned within the outer tube with an air plenum disposed between the closed end of the chamber part and the filter and with at least one air channel extending the length of solder collection part for providing a path for gases entering the open end of the outer tube to the plenum and the filter that is separated from the solder receiving space. For facilitating solder reclamation, the capsule can be formed entirely of materials which are shape-sustaining when exposed to a temperature of 400° F., are not reactive with either solder and flux, which will burn with little or no residue at a temperature less than 800° F. A desoldering tool for use with the capsule has a detachable, tubular capsule holding part that is open at each of its opposite ends for enabling a solder receiving capsule received in it to be removed from one of the end of the holding tube by pushing another soldering capsule into the opposite end of the holding tube when the detachable holding part is detached from the body of the desoldering tool. In a most preferred embodiment, the tool is designed so that solder cannot be drawn into it if the capsule has not been inserted or has been inserted incorrectly.
    • 用于手持式真空焊料提取脱焊工具的一次性焊料接收胶囊由外管形成,该外管在一端由多孔过滤器封闭并且在其相对端具有开口,并且具有管状的中空焊料收集室部分 构件具有开口端,并且在相对端相对于焊料通过而封闭,在其内形成焊料容纳空间。 焊料收集室部分同心地定位在外管内,空气压力室设置在室部分的封闭端和过滤器之间,并且至少一个空气通道延伸长度的焊料收集部分,以提供进入气体的气体的路径 将外管的开口端连接到通风室和与焊料接收空间分离的过滤器。 为了促进焊料回收,胶囊可以完全由暴露于400°F的温度下保持形状的材料形成,不会与焊料和助焊剂反应,在少量或没有残留物的温度下会燃烧 与胶囊一起使用的拆焊工具具有可拆卸的管状胶囊保持部分,其在其每个相对端处开口,用于使容纳在其中的焊料接收胶囊能够从保持的一个端部移除 当可拆卸保持部分与脱焊工具的主体分离时,将另一个焊接胶囊推入保持管的相对端。 在最优选的实施例中,工具被设计成如果胶囊未被插入或不正确插入,则焊料不能被吸入。