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    • 6. 发明授权
    • Photographic elements having a process-surviving polysiloxane block
copolymer backing
    • 具有工艺存活的聚硅氧烷嵌段共聚物背衬的照相元件
    • US5723270A
    • 1998-03-03
    • US752338
    • 1996-11-19
    • Thomas M. SmithVito A. DePalmaScott E. Tunney
    • Thomas M. SmithVito A. DePalmaScott E. Tunney
    • G03C1/76G03C1/83G03C1/835G03C1/89
    • G03C1/83G03C1/7614Y10S430/162
    • A photographic element is disclosed which comprises (a) a support, (b) a radiation-sensitive silver halide emulsion layer on one side of the support, and (c) a protective backing on the opposite side of the support which provides scratch and abrasion resistance and process surviving lubricity. The protective backing is comprised of one or more layers, the outermost of which comprises a film-forming hydrophobic lubricious polyimide-siloxane block copolymer. In preferred embodiments of the invention, the backing further comprises a solid particle dye dispersion of a filter dye which is readily soluble or decolorizable in alkali aqueous photographic processing solutions at pH of 8 or above dispersed in an alkaline aqueous insoluble, organic solvent soluble film forming binder, and an electrically conductive agent, such that the backing provides halation protection during exposure as well as process-surviving antistatic protection. The present invention provides photographic elements with a backing which provides photographic process-surviving lubricity. In preferred embodiments, the backing includes a filter dye layer which provides effective antihalation protection, where the filter dyes are decolorized or removed upon processing, preferably over a protected antistatic layer. The invention employs hydrophobic, inherently lubricious, polymeric binders that may be used as film-backing binders for anti-halation dyes, provide an adequate level of scratch and abrasion resistance, an appropriate level of slip or friction, and is coatable from relatively safe organic solvents.
    • 公开了一种照相元件,其包括(a)载体,(b)载体一侧上的辐射敏感卤化银乳剂层,和(c)在支撑体的相对侧上提供刮擦和磨损的保护背衬 电阻和工艺保持润滑性。 保护背衬由一层或多层组成,最外层包含成膜疏水性的聚酰亚胺硅氧烷嵌段共聚物。 在本发明的优选实施方案中,背衬还包含过滤染料的固体颗粒染料分散体,其在pH8或更高的碱性水性照相处理溶液中容易溶解或脱色,分散在碱性水溶性有机溶剂可溶性成膜剂 粘合剂和导电剂,使得背衬在曝光期间提供遮光保护以及加工存活的抗静电保护。 本发明提供具有背衬的照相元件,其提供感光过程保持润滑性。 在优选的实施方案中,背衬包括提供有效的防旋光保护的过滤染料层,其中过滤染料在加工时被脱色或除去,优选在保护的抗静电层上。 本发明使用疏水性,固有的光滑聚合物粘合剂,其可用作抗晕染染料的膜背衬粘合剂,提供足够水平的耐刮擦和耐磨性,适当水平的滑动或摩擦,并且可从相对安全的有机物 溶剂。
    • 8. 发明授权
    • Laminate for the formation of beam leads for IC chip bonding
    • 用于形成用于IC芯片接合的光束引线的层叠体
    • US5098814A
    • 1992-03-24
    • US514814
    • 1990-04-26
    • Scott E. TunneyJohn J. Fitzgerald
    • Scott E. TunneyJohn J. Fitzgerald
    • G03F7/032G03F7/075G03F7/095
    • G03F7/032G03F7/0757G03F7/0957
    • A laminate, adapted for manufacturing frames of metal beam leads that are bonded to integrated circuit chips comprising:(a) a flexible metal strip(b) a layer of a first resist adhered to one surface of the metal strip, and(c) a layer of a second resist adhered to the opposite surface of the metal strip, wherein the second resist is a negative-working resist which forms a semi-interpenetrating polymer network-II upon curing and comprises a homogeneous blend.(A) a solvent soluble polyimide-siloxane containing about 0.5-30 weight percent silicon and (B) an ethylenically unsaturated multifunctional monomer. The siloxane units in the polyimide-siloxane have from 10 to about 200 ##STR1## linkages per unit, more preferably from about 15 to about 100 linkages, and most preferably from about 40 to about 100 linkages per siloxane unit. A second embodiment of the invention comprises a metal strip having one side thereof, a composition obtained by curing the above-identified curable composition. Curable compositions of this invention can be cured by either actinic radiation; for example, ultraviolet light, or by thermal radiation. In the cured composition, the polymer produced upon polymerization of the monomer, and the polyimide portion of the polyimide-siloxane form a homogeneous blend, in which the siloxane portion of the polyimide-siloxane is phase separated. The cured composition is a semi-interpenetrating network. The cured composition is especially useful in the fabrication of electronic devices such as frames of metal beam leads to be bonded to integrated circuit (IC) chips since it reduces stress at the polymer/metal interface, thereby reducing curl in such thin, coated objects.
    • 一种层压板,适于制造结合到集成电路芯片的金属梁引线的框架,其包括:(a)柔性金属条(b)附着在所述金属条的一个表面上的第一抗蚀剂层,以及(c) 粘附到金属带的相对表面的第二抗蚀剂层,其中第二抗蚀剂是负性抗蚀剂,其在固化时形成半互穿聚合物网络II并且包含均匀的共混物。 (A)含有约0.5-30重量%硅的溶剂可溶性聚酰亚胺硅氧烷和(B)烯属不饱和多官能单体。 聚酰亚胺 - 硅氧烷中的硅氧烷单元每单位具有10至约200个键,更优选约15至约100个键,最优选约40至约100个键。 本发明的第二实施方案包括具有一侧的金属带,通过固化上述可固化组合物获得的组合物。 本发明的可固化组合物可通过光化辐射固化; 例如紫外光,或通过热辐射。 在固化的组合物中,在单体聚合时产生的聚合物和聚酰亚胺 - 硅氧烷的聚酰亚胺部分形成均匀的共混物,其中聚酰亚胺 - 硅氧烷的硅氧烷部分相分离。 固化的组合物是半互穿网络。 固化的组合物特别可用于制造电子器件,例如将金属束引线的框架结合到集成电路(IC)芯片,因为它减少了聚合物/金属界面处的应力,从而减少了这种薄的涂覆物体的卷曲。
    • 10. 发明授权
    • Photographic elements having a process-surviving polysiloxane block
copolymer backing
    • 具有工艺存活的聚硅氧烷嵌段共聚物背衬的照相元件
    • US5723271A
    • 1998-03-03
    • US752339
    • 1996-11-19
    • Thomas M. SmithVito A. DePalmaScott E. Tunney
    • Thomas M. SmithVito A. DePalmaScott E. Tunney
    • G03C1/76G03C1/83G03C1/85G03C1/53G03C1/835G03C1/89
    • G03C1/7614G03C1/83G03C1/85Y10S430/162
    • A photographic element is disclosed which comprises (a) a support, (b) a radiation-sensitive silver halide emulsion layer on one side of the support, and (c) a protective backing on the opposite side of the support which provides scratch and abrasion resistance and process surviving lubricity. The protective backing is comprised of one or more layers, the outermost of which comprises a film-forming hydrophobic lubricious polyester-siloxane block copolymer and a hydrophobic co-binder which does not contain polysiloxane block units. In preferred embodiments of the invention, the backing further comprises a solid particle dye dispersion of a filter dye which is readily soluble or decolorizable in alkali aqueous photographic processing solutions at pH of 8 or above dispersed in an alkaline aqueous insoluble, organic solvent soluble film forming binder, and an electrically conductive agent, such that the backing provides halation protection during exposure as well as process-surviving antistatic protection. The present invention provides photographic elements with a backing which provides photographic process-surviving lubricity. In preferred embodiments, the backing includes a filter dye layer which provides effective antihalation protection, where the filter dyes are decolorized or removed upon processing, preferably over a protected antistatic layer. The invention employs hydrophobic, inherently lubricious, polymeric binder combinations that may be used as film-backing binders for anti-halation dyes, provide an adequate level of scratch and abrasion resistance, an appropriate level of process-surviving slip or friction, and is coatable from relatively safe organic solvents.
    • 公开了一种照相元件,其包括(a)载体,(b)载体一侧上的辐射敏感卤化银乳剂层,和(c)在支撑体的相对侧上提供刮擦和磨损的保护背衬 电阻和工艺保持润滑性。 保护背衬由一层或多层组成,其最外层包括成膜疏水性润滑聚酯 - 硅氧烷嵌段共聚物和不含聚硅氧烷嵌段单元的疏水性共粘合剂。 在本发明的优选实施方案中,背衬还包含过滤染料的固体颗粒染料分散体,其在pH8或更高的碱性水性照相处理溶液中容易溶解或脱色,分散在碱性水溶性有机溶剂可溶性成膜剂 粘合剂和导电剂,使得背衬在曝光期间提供遮光保护以及加工存活的抗静电保护。 本发明提供具有背衬的照相元件,其提供感光过程保持润滑性。 在优选的实施方案中,背衬包括提供有效的防旋光保护的过滤染料层,其中过滤染料在加工时被脱色或除去,优选在保护的抗静电层上。 本发明使用疏水性,固有的光滑聚合物粘合剂组合,其可用作防晕染料的膜背衬粘合剂,提供足够水平的耐划伤和耐磨性,适当水平的工艺存活滑脱或摩擦,并且是可涂覆的 来自相对安全的有机溶剂。