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    • 4. 发明授权
    • Method of producing printed circuit boards
    • 生产印刷电路板的方法
    • US4451505A
    • 1984-05-29
    • US380165
    • 1982-05-20
    • Johannes M. Jans
    • Johannes M. Jans
    • C23C18/16C23C18/22G03C1/705G03C1/91H05K3/18H05K3/38B05D3/06B05D1/06B05D3/10
    • G03C1/915C23C18/1608C23C18/1612C23C18/22G03C1/705H05K3/185H05K3/387
    • The manufacture of printed circuit boards on a substrate material with a thermosetting adhesive layer. The adhesive layer is roughened by spraying with a suspension of hard particles. Thereafter the surface is provided with a layer of uniformly distributed particles of a light-sensitive, semiconductive metal oxide by spraying with a suspension of said oxide particles, which oxide after exposure to light is capable of releasing copper and/or a metal which is nobler than copper from a solution of the relevant metal salt the layer is exposed to light and is sprayed prior to and/or after the exposure with a solution of the afore-said metal salt, so that metal nuclei are formed in the exposed areas. Both operations are effected by spraying and that in such a way that the semiconductive oxide and the metal salt, respectively are substantially dry when they reach the surface. After exposure, the nuclei are intensified by means of an electroless copper plating bath.
    • 在具有热固性粘合剂层的基底材料上制造印刷电路板。 通过喷涂硬质颗粒的悬浮液将粘合剂层粗糙化。 此后,通过喷射所述氧化物颗粒的悬浮液,该表面设置有均匀分布的光敏半导体金属氧化物颗粒,该氧化物颗粒在曝光后能够释放铜和/或贵金属 比铜从相关金属盐的溶液中暴露于光并在暴露之前和/或之后用上述金属盐的溶液喷雾,使得金属核在暴露的区域中形成。 这两种操作都是通过喷涂实现的,并且使得半导体氧化物和金属盐当它们到达表面时基本上是干的。 暴露后,通过化学镀铜浴加强核。
    • 8. 发明授权
    • Method of high sensitivity imaging and imaging film therefor
    • 高灵敏度成像方法及成像薄膜
    • US4211838A
    • 1980-07-08
    • US827470
    • 1977-08-25
    • Masatsugu IzuVincent D. Cannella
    • Masatsugu IzuVincent D. Cannella
    • B41M5/28B41M5/36G03C1/705G03C5/56G03C1/00G01D15/10G01D15/24G03C5/24
    • G03C5/56G03C1/705Y10S428/913Y10S430/165Y10T428/12535Y10T428/1259Y10T428/12611Y10T428/1266Y10T428/12681Y10T428/12701Y10T428/12708Y10T428/12785Y10T428/12792Y10T428/12986
    • A dry process high sensitivity imaging film includes a solid, high optical density and substantially opaque film of dispersion imaging material deposited on a substrate. The film of dispersion imaging material comprises a plurality of separate layers of different and substantially mutually insoluble metal components having relatively high melting points and relatively low melting point eutectics, and interfaces between said layers having relatively low melting points. Energy is applied to the film of dispersion imaging material, in an amount above a certain critical value sufficient to increase the absorbed energy in the film material above a certain critical temperature value related to the relatively low melting points of the interfaces, to substantially melt the low melting point interfaces and incorporate the different and substantially mutually insoluble components of the separate layers into the substantially molten interfaces and, hence, to change the film to a substantially fluid state in which the surface tension of the film material acts to cause the substantially opaque film, where subject to said energy, to disperse and change to a discontinuous film comprising openings and deformed material which are frozen in place following the application of energy and through which openings light can pass for decreasing the optical density thereat. Also, means may be associated with the film of dispersion imaging material for retarding the dispersion and change to the discontinuous film, caused by the surface tension, and for controlling the amount of such dispersion and change in accordance with the intensity of the applied energy above said certain critical value to provide continuous tone imaging of the dry process imaging film.
    • 干法高灵敏度成像膜包括沉积在基底上的分散成像材料的固体,高光密度和基本不透明的膜。 分散成像材料膜包括多个具有相对高熔点和相对低熔点共晶体的不同且基本相互不溶的金属组分的分开的层,并且所述层之间的界面具有相对较低的熔点。 将能量施加到分散成像材料的膜上,其量高于足以增加膜材料中吸收的能量高于与界面的相对低熔点相关的一定临界温度值的一定临界值,以基本上熔化 低熔点界面,并且将不同的和基本相互不溶的分离层的组分并入基本熔融的界面中,并因此将膜改变为基本上流体的状态,其中薄膜材料的表面张力起到引起基本上不透明的作用 在所述能量受到所述能量的情况下,分散并改变为包含开口和变形材料的不连续膜,所述不连续膜在施加能量之后被冻结就位,并且光可以通过该光通过以降低其光密度。 此外,手段可以与分散成像材料薄膜相关联,用于延缓分散和由表面张力引起的不连续薄膜的变化,并且用于根据所施加的能量的强度来控制这种分散量和变化量 表示提供干法成像胶片连续色调成像的一定临界值。