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1. 发明授权

US6152281A Magnetic bulk feeder for electronic components 失效
标题翻译：用于电子元件的磁性批量供料器
公开(公告)号：US6152281A
公开(公告)日：2000-11-28
申请号：US149071
申请日：1998-09-04
申请人： Michael Bednarz , Lawrence Leroy Kneisel , Jay DeAvis Baker , Hsin-Hong Huang
发明人： Michael Bednarz , Lawrence Leroy Kneisel , Jay DeAvis Baker , Hsin-Hong Huang
IPC分类号： B65G11/20 , B65G47/14 , H05K13/02 , B65G47/24
CPC分类号： H05K13/028
摘要： There is disclosed herein an apparatus for bulk-feeding electronic components which utilizes magnetic force and a rotating feeder tube to properly orient the components for presentment to an automated pick-and-place machine. The apparatus comprises: (1) a generally straight tube 10 having a raised end 12, a lowered end 14, a longitudinal axis L--L, and a generally cylindrical interior passage 16 therethrough; (2) a generally straight bar magnet 20 arranged beneath and proximate the tube 10, wherein the bar magnet has a North pole-South pole axis N-S oriented generally parallel with the tube longitudinal axis L--L; (3) a receptacle 30 having first and second ends 32/34 and a tapered throat 36 running therethrough, wherein the throat extends from an enlarged inlet 38 defined in the first end to a constricted outlet 39 defined in the second end, the receptacle being disposed such that the inlet is elevated above the outlet, the second end 34 of the receptacle being disposed in rotatably slidable contact with the raised end 12 of the tube such that the constricted outlet 39 is placed in communication with the tube interior passage 16 thereat; and (4) a mechanism 40 for rotating the tube 10 about its longitudinal axis L--L.
摘要翻译：这里公开了一种用于散装电子元件的装置，其利用磁力和旋转馈送管来将用于呈现的组件适当地定向到自动拾取和放置机器。该装置包括：（1）具有升高端12，下降端14，纵向轴线L-L和通过其的大致圆柱形的内部通道16的大致直的管子10。（2）布置在管10下方并靠近管10的大致直的棒状磁体20，其中，所述棒状磁体具有大致平行于管纵向轴线L-L的北极 - 南极轴线N-S; （3）具有第一和第二端部32/34以及从中穿过的锥形喉管36的容器30，其中喉部从限定在第一端的扩大的入口38延伸到限定在第二端的收缩出口39，被设置为使得入口在出口上方升高，容器的第二端34设置成与管的升高端部12可旋转地滑动接触，使得收缩出口39与管内部通道16连通; 和（4）用于使管10围绕其纵向轴线L-L旋转的机构40。

2. 发明授权

US5968386A Method for protecting electronic components 失效
标题翻译：保护电子部件的方法
公开(公告)号：US5968386A
公开(公告)日：1999-10-19
申请号：US993112
申请日：1997-12-18
申请人： Lakhi Nandlal Goenka , Delin Li , Daniel Phillip Dailey , Charles Frederick Schweitzer , Michael Bednarz , Brenda Joyce Nation
发明人： Lakhi Nandlal Goenka , Delin Li , Daniel Phillip Dailey , Charles Frederick Schweitzer , Michael Bednarz , Brenda Joyce Nation
IPC分类号： H05K3/28 , H05K5/06 , H05B1/00
CPC分类号： H05K5/068 , H05K3/284
摘要： An an electronic circuit having improved protection against harsh environments, a preferred embodiment thereof including: a substrate 10 having a top surface 12; an electronic component 14 attached to the top surface of the substrate; a plastic and metal foil laminated barrier 16 having an outer periphery 18 thereabout, the outer periphery being sealably attached to the top surface 12 of the substrate so as to define a closed pocket 20 between the top surface 12 and the barrier 16 within which the electronic component 14 is enclosed; and a desiccant element 50. The desiccant element 50 includes: a case 51 having an internal chamber, an inlet orifice 58, and an outlet orifice 59, wherein the inlet and outlet orifices are each in communication with the internal chamber; a predetermined amount of desiccant material 53 contained within the internal chamber; a normally-open interior valve 54 situated between the inlet orifice 58 and the internal chamber; a normally-closed exterior valve 56 situated between the outlet orifice 59 and the internal chamber; and heating means 52 for selectably heating the desiccant material 53 preferably above a regeneration temperature thereof. The desiccant element 50 is situated such that at least the interior orifice 54 thereof is sealably enclosed within the closed pocket 20.
摘要翻译：一种具有改善的防恶劣环境保护的电子电路，其优选实施例包括：具有顶表面12的基板10; 电子部件14，其安装在基板的上表面上; 塑料和金属箔层压壁板16，其周边具有外周边18，外周边密封地附接到基板的顶表面12，以便在顶表面12和阻挡层16之间形成封闭的袋20，组件14被封闭; 干燥剂元件50包括：具有内部室的壳体51，入口孔58和出口孔59，其中入口孔和出口孔各自与内部室连通; 包含在内部室内的预定量的干燥剂材料53; 位于入口孔58和内室之间的常开内部阀54; 位于出口孔59和内室之间的常闭外部阀56; 以及用于可选地加热干燥剂材料53的加热装置52，优选地在其再生温度之上。干燥剂元件50被定位成使得至少其内孔54密封地封闭在封闭的口袋20内。

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