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    • 51. 发明授权
    • Membrane filtered pipette tip
    • 膜过滤移液器吸头
    • US06482362B1
    • 2002-11-19
    • US09625227
    • 2000-07-24
    • James C. Smith
    • James C. Smith
    • B01L302
    • B01L3/0275G01N2035/1023G01N2035/1053Y10T436/119163Y10T436/255Y10T436/2575
    • An apparatus and method of manufacture for a pipette tip having a membrane filter includes a pipette tip having an interior annulus for receiving an exterior perimeter of the membrane filter. A shear plate overlying the pipette tip defines an aperture having a dimension equal to the exterior perimeter of the membrane filter. A cylindrical punch has a path of motion for passing through the aperture in the shear plate to the interior annulus of the pipette tip. Membrane filter material is placed over the shear plate in the path of motion of the cylindrical punch. By the expedient of moving the cylindrical punch through the membrane filter material, the aperture in the shear plate, to the interior annulus of the pipette tip to place sheared filter material over the annulus of the pipette tip. Specific embodiments of pipette tips are illustrated including tips having a first filter for filtering material drawn into the pipette tip and second filters from preventing contamination of the pipette.
    • 用于具有膜过滤器的移液管尖端的装置和制造方法包括具有用于接收膜过滤器的外周边的内环的移液管尖端。 覆盖移液管尖端的剪切板限定具有等于膜过滤器外周的尺寸的孔。 圆柱形冲头具有用于穿过剪切板中的孔的移动路径到移液管尖端的内部环。 膜过滤材料放置在圆柱冲头运动路径上的剪切板上。 通过将圆柱形冲头穿过膜过滤材料(剪切板中的孔)移动到移液管尖端的内部空间以将剪切的过滤材料置于移液管尖端的环上。 示出了移液管尖端的具体实施例,其包括具有用于过滤吸入移液管末端的材料的第一过滤器的尖端和第二过滤器以防止吸移管的污染。
    • 53. 发明授权
    • Method for increasing contact area between a viscous liquid and a substrate
    • 增加粘性液体和基材之间接触面积的方法
    • US06291016B1
    • 2001-09-18
    • US09324704
    • 1999-06-02
    • William E. DongesJames C. Smith
    • William E. DongesJames C. Smith
    • B05D312
    • B05C11/1034B05B7/066B05C5/0225B05C11/06Y10S239/21
    • A method of assembling electronic components using a dispenser having a nozzle in fluid communication with a source of viscous liquid having a high surface tension and having an air discharge passage in fluid communication with a source of pressurized air. A droplet of the viscous liquid is dispensed from the nozzle onto a printed circuit board to form an initial contact area between the droplet and the printed circuit board and the high surface tension of the droplet causes the initial contact area to remain substantially constant. A burst of air is then discharged from the air discharge passage for impinging the droplet after the droplet contacts the printed circuit board, which increases the initial contact area between the droplet and the printed circuit board.
    • 一种使用具有喷嘴与具有高表面张力的粘性液体源流体连通并具有与加压空气源流体连通的排气通道的分配器组装电子部件的方法。 将粘性液体的小滴从喷嘴分配到印刷电路板上以形成液滴和印刷电路板之间的初始接触面积,并且液滴的高表面张力使初始接触面积保持基本恒定。 然后,在液滴与印刷电路板接触之后,从空气排出通道排出空气以冲击液滴,这增加了液滴和印刷电路板之间的初始接触面积。
    • 54. 发明授权
    • Method and apparatus for identifying a print media type
    • 用于识别打印介质类型的方法和装置
    • US06210052B1
    • 2001-04-03
    • US09409031
    • 1999-09-29
    • James C. Smith
    • James C. Smith
    • B41J530
    • B41J11/009B41J11/46B41J11/706
    • The invention includes a method and apparatus for identifying a media type to be printed upon and communicating the identification to a printer. The method includes the steps of: reading data printed on a leading edge of the media to at least identify the media type; storing the data and employing information from the data to establish printer control parameters; removing the leading portion of the media which contains the data and thereafter printing on the media, as required. Upon occurrence of a later event, data identifying the media is reprinted on a leading edge of the media, which data is derived from data that was stored when the data from the media was initially read. The data printed on the leading edge, in addition to identifying the media type, preferably indicates a remaining length of media available for printing.
    • 本发明包括一种用于识别要打印并将标识传送到打印机的媒体类型的方法和装置。 该方法包括以下步骤:读取打印在介质的前缘上的数据,以至少识别媒体类型; 存储数据并从数据中采用信息建立打印机控制参数; 去除包含数据的介质的引导部分,然后根据需要在介质上进行打印。 在发生后续事件时,标识媒体的数据被重印在媒体的前沿,该数据是从最初读取来自媒体的数据时存储的数据导出的。 除了识别介质类型之外,打印在前沿上的数据优选地表示可用于打印的介质的剩余长度。
    • 60. 发明授权
    • Ergonomic pipette tip
    • 符合人体工学的吸头
    • US08202495B1
    • 2012-06-19
    • US12215029
    • 2008-06-23
    • James C. Smith
    • James C. Smith
    • B01L3/02B01L3/00
    • B01L3/0275B01L2200/0689B01L2300/021B01L2300/0681B01L2300/123
    • An ergonomically designed pipette tip that can be securely mounted to a barrel of a pipetter yet is designed to substantially reduce the axial force necessary to install and eject the pipette tip from the pipetter thus reducing the injuries resulting in repetitive stress injury to the thumb and hand. The new ergonomic pipette tip incorporates a separate sealing member constructed from an elastomer that is coupled to the more rigid and chemically inert elongated tubular member that becomes the receptacle for transferring the fluid sample aspirated by the pipetter. The new elastomeric sealing member allows for greater sealing capability or squeeze between the pipetter barrel and the new pipette tip while lowering the coefficient of friction between the mating parts, thus decreasing the axial ejection forces require to overcome the breakaway friction between the new ergonomic pipette tip and the pipetter.
    • 符合人体工程学设计的移液器吸头可以牢固地安装在移液器的枪管上,而且被设计成基本上减小了从移液器安装和喷射移液管尖端所需的轴向力,从而减少了对拇指和手的重复性应激伤害的伤害 。 新的符合人体工程学的移液管尖端包括由弹性体构成的单独的密封构件,弹性体联接到更刚性和化学惰性的细长管状构件,其成为用于传送由移液管吸出的流体样品的容器。 新的弹性体密封构件允许在移液管筒和新的移液管尖端之间具有更大的密封能力或挤压,同时降低配合部件之间的摩擦系数,因此减小轴向弹出力需要克服新的符合人体工程学的移液管尖端 和移液器。