Method for producing perforations in an adhesive-coated porous web
    21.
    发明授权
    Method for producing perforations in an adhesive-coated porous web 失效
    用于在粘合剂涂覆的多孔织物中生产穿孔的方法

    公开(公告)号:US4472461A

    公开(公告)日:1984-09-18

    申请号:US395529

    申请日:1982-07-06

    Inventor: David A. Johnson

    CPC classification number: B05D3/04 B26F1/26

    Abstract: An apparatus and method is disclosed herein for producing controlled perforations in an adhesive-coated porous web. A porous, woven or nonwoven web backing material has an adhesive, or the like, coated onto a surface thereof, and prior to drying of the adhesive thereon, a gas, or the like, is directed through a gas perforating means, which incorporates a plurality of apertures therein. While said gas perforating means is variably positioned in contiguous proximity to the moving adhesive-coated porous web, the gas stream impinges on the adhesive-coated porous web, resulting in a plurality of discontinuties or perforations being formed in the adhesive-coated porous web. Various predetermined patterns of perforations in the adhesive-coated web may be obtained by oscillating the gas perforating means in different directions, altering the physical dimensions of the apertures located in the gas perforating means, altering the spatial pattern of said openings, rotating the gas perforating means during the operation, and the like.

    Abstract translation: 本文公开了一种用于在粘合剂涂覆的多孔织物中产生受控穿孔的装置和方法。 多孔,织造或无纺织物背衬材料具有涂覆在其表面上的粘合剂等,并且在其上粘合剂干燥之前,气体等被引导通过气体穿孔装置,其包括 多个孔。 虽然所述气体穿孔装置可变地定位成与移动的粘合剂涂覆的多孔织物连续地邻近,但气流冲击粘合剂涂覆的多孔织物,导致在粘合剂涂覆的多孔织物中形成多个不连续或穿孔。 可以通过在不同方向上振动气体穿孔装置来改变涂覆有粘合剂的织物中的各种预定的穿孔图案,改变位于气体穿孔装置中的孔的物理尺寸,改变所述开口的空间图案,使气体穿孔 在操作期间的装置等。

    Method for controlling the conductivity of polyimide films and improved
devices utilizing the method
    22.
    发明授权
    Method for controlling the conductivity of polyimide films and improved devices utilizing the method 失效
    利用该方法控制聚酰亚胺膜的导电性和改进的装置的方法

    公开(公告)号:US4393092A

    公开(公告)日:1983-07-12

    申请号:US357375

    申请日:1982-03-12

    Applicant: Graham P. Gill

    Inventor: Graham P. Gill

    Abstract: When ion bombardment milling is used to each electronic devices having metal-polymer sandwich stuctures, the ion bombardment induces conductivity in the normally insulating polymer layers, even at low (e.g. 100 eV) bombardment energies. Bombarded polymer layers can be used to produce thin film resistors. Where it is desired to reduce or eliminate the bombardment induced conductivity, this may be accomplished, for a polyimide polymer, by a brief (e.g. 30 sec) exposure to a low energy (e.g.

    Abstract translation: 当对具有金属 - 聚合物夹层结构的每个电子器件使用离子轰击研磨时,即使在低(例如100eV)的轰击能量下,离子轰击也在常规绝缘聚合物层中引起电导率。 骨架聚合物层可用于制造薄膜电阻器。 在希望减少或消除轰击诱导的电导率的情况下,对于聚酰亚胺聚合物,可以通过短时间(例如30秒)暴露于低能量(例如<10eV)等离子体或通过加热更长时间来实现 时间段(例如250℃下2小时)或其组合。 期望等离子体含有氧。

    Multi-zone oven with cool air modulation
    23.
    发明授权
    Multi-zone oven with cool air modulation 失效
    多区域烤箱与冷气调制

    公开(公告)号:US4326342A

    公开(公告)日:1982-04-27

    申请号:US176251

    申请日:1980-08-07

    Abstract: An oven is disclosed as having a plurality of chambers which are sealed from the ambient atmosphere, and to which gas, heated to a high temperature outside the chambers, is circulated to each of the chambers for admixture with gas which is cool compared to the high temperature gas, to produce in the chambers a mixture of hot and cool gas at a predetermined temperature. The hot gas is circulated to the chambers at a certain desired pressure, wherein the cool gas is circulated to the chambers at a certain rate of flow. Gas is exhausted from the oven also at a fixed rate of flow. The gas pressure in the first oven to be encountered by an element passing through the oven, is monitored and triggers a change in the flow of cool gas when the pressure varies from a desired norm. This change in flow of cool gas influences the temperature which is also monitored. A change in the temperature produces a corresponding change in the mixture of hot and cool gas to return the oven temperature to the desired level.

    Abstract translation: 公开了一种烘箱,其具有与环境大气密封的多个室,并且在室外加热到高温的气体循环到每个室,用于与高温的气体混合,与高温相比较 在室内产生预定温度的热气和冷气的混合物。 热气体以一定的期望压力循环到腔室,其中冷气体以一定的流速循环到腔室。 气体也以固定的流量从炉中排出。 当通过烘箱的元件遇到的第一烘箱中的气体压力被监测并且当压力从期望的标准变化时触发冷气流的变化。 冷气流量的这种变化也影响了监控的温度。 温度的变化产生热和冷气体的混合物的相应变化,以将烘箱温度恢复到所需的水平。

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