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    • 1. 发明授权
    • Pick up and placement head for green sheet and spacer
    • 拾取和放置头为绿色和间隔
    • US4185814A
    • 1980-01-29
    • US859778
    • 1977-12-12
    • Albert H. BuchmannThomas J. CochranWalter W. FickerAlfred A. StrickerWalter von Kaenel
    • Albert H. BuchmannThomas J. CochranWalter W. FickerAlfred A. StrickerWalter von Kaenel
    • B65H5/14B25J15/06B65G47/91B65H3/08H01L21/683B65H7/02
    • H01L21/6838B25J15/0076B25J15/0246B65G47/91B65H3/0883
    • A vacuum pick up and transfer head adapted for handling flimsy sheets of material such as spacer sheet and uncured ceramic sheet commonly referred to as green sheet. The vacuum transfer head is of generally rectangular configuration having a sheet contacting lip having vacuum slots formed through the periphery thereof to hold the sheets in place by vacuum pressure. The center of the sheet contacting face is recessed whereby, with a sheet in place and acting as a diaphragm, a central vacuum chamber is also defined. A series of check valves are provided to control application of vacuum and positive pressure to the green sheet for picking the sheet up, retaining it and stripping it. A plurality of probes are provided in the handling head, adapted to selectively project through the sheet contacting surface for detecting green sheet and/or spacer sheet utilized inbetween layers of green sheet. These probes also can act as positive strippers when the head enters a green sheet spacer tray in the process of removing a sheet of spacer or green sheet.
    • 真空拾取和转印头,适用于处理通常称为生片的隔离片和未固化的陶瓷片等薄片材料。 真空转印头通常为矩形,其具有通过其周边形成有真空槽的片接触唇缘,以通过真空压力将片保持在适当位置。 片接触面的中心是凹陷的,由此,当片材在适当位置并且用作隔膜时,还限定了中央真空室。 提供一系列止回阀,以控制对生片的真空和正压施加,以拾取纸张,保持并剥离纸张。 多个探针设置在处理头中,适于选择性地突出通过片接触表面,用于检测在生片之间使用的生片和/或间隔片。 在去除间隔物或生片的过程中,当头部进入绿色片间隔托盘时,这些探针也可以作为正剥离器。
    • 5. 发明授权
    • Freeze holding device and process
    • 冻结装置和过程
    • US5452932A
    • 1995-09-26
    • US153378
    • 1993-11-16
    • David Griffin
    • David Griffin
    • B25J15/00B65G47/90
    • B25J15/00B25J15/0076B65G47/90
    • A gripping device for grasping and releasing articles by freezing and thawing water between a gripping surface and the article. The device includes a base plate, a mesh like gripping surface, a water passage to the gripping surface, a freezing element for freezing the water and bonding the gripping surface to the article and a thawing element for melting the frozen bond for releasing the article. The cooling and thawing elements use semi-circular tubing extending from the base plate and adjacent the gripping surface, through which are introduced a coolant for freezing the water and a heated liquid for thawing. Upon movement of the water via an atomizer to the gripping surface, coolant is introduced into the tubing to freeze the same. Upon freezing, the article and gripping surface become bonded. To release the article, the heated fluid is moved through the tubing so as to thaw the frozen bond.
    • 一种夹持装置,用于通过在夹持表面和制品之间冻结和解冻水来抓取和释放制品。 该装置包括基板,网状抓握表面,到抓握表面的水通道,用于冷冻水并将抓持表面粘合到制品上的冷冻元件和用于熔化冻结的解冻元件以释放物品。 冷却和解冻元件使用从基板延伸并且靠近抓握表面的半圆形管道,通过该管道引入用于冷冻水的冷却剂和用于解冻的加热液体。 当水通过雾化器移动到抓握表面时,将冷却剂引入管道中以使其冷冻。 在冷冻时,制品和夹紧表面变粘合。 为了释放制品,将加热的流体移动通过管道以解冻冷冻粘合剂。