MODIFIED SOLDER ALLOYS FOR ELECTRICAL INTERCONNECTS, METHODS OF PRODUCTION AND USES THEREOF
    2.
    发明申请
    MODIFIED SOLDER ALLOYS FOR ELECTRICAL INTERCONNECTS, METHODS OF PRODUCTION AND USES THEREOF 审中-公开
    用于电气互连的改性焊料合金,生产工艺及其用途

    公开(公告)号:WO2008033828A1

    公开(公告)日:2008-03-20

    申请号:PCT/US2007/078146

    申请日:2007-09-11

    Abstract: Lead-free solder compositions having a thermal conductivity are disclosed that include at least about 2% of silver, at least about 60% of bismuth, and at least one additional metal in an amount that will increase the thermal conductivity of the solder composition over a comparison solder composition consisting of silver and bismuth, wherein the at least one additional metal does not significantly modify the solidus temperature and does not shift the liquidus temperature outside of an acceptable liquidus temperature range. Methods of producing these lead-free solder compositions are also disclosed that include providing at least about 2% of silver, providing at least about 60% of bismuth, providing at least one additional metal in an amount that will increase the thermal conductivity of the solder composition over a comparison solder composition consisting of silver and bismuth, blending the bismuth with the at least one additional metal to form a bismuth-metal blend, and blending the bismuth-metal blend with copper to form the solder composition, wherein the at least one additional metal does not significantly modify the solidus temperature and does not shift the liquidus temperature outside of an acceptable liquidus temperature range. Additional methods of producing a lead-free solder composition having a thermal conductivity include providing at least about 2% of silver, providing at least about 60% of bismuth, providing at least one additional metal in an amount that will increase the thermal conductivity of the solder composition over a comparison solder composition consisting of silver and bismuth, blending the silver with the at least one additional metal to form a silver-metal alloy, and blending the silver-metal alloy with bismuth to form the solder composition, wherein the at least one additional metal does not significantly modify the solidus temperature and does not shift the liquidus temperature outside of an acceptable liquidus temperature range.

    Abstract translation: 公开了具有导热性的无铅焊料组合物,其包含至少约2%的银,至少约60%的铋以及至少一种额外的金属,其量将增加焊料组合物的热导率 由银和铋组成的比较焊料组合物,其中所述至少一种附加金属不会显着地改变固相线温度,并且不将液相线温度移动到可接受的液相线温度范围之外。 还公开了生产这些无铅焊料组合物的方法,其包括提供至少约2%的银,提供至少约60%的铋,提供至少一种额外的金属,其量将增加焊料的热导率 通过比较由银和铋组成的焊料组合物,将铋与至少一种另外的金属共混以形成铋 - 金属共混物,并将铋 - 金属共混物与铜混合以形成焊料组合物,其中至少一种 附加金属不会显着地改变固相线温度,并且不将液相线温度移动到可接受的液相线温度范围之外。 制备具有导热性的无铅焊料组合物的附加方法包括提供至少约2%的银,提供至少约60%的铋,提供至少一种额外的金属,其量将增加该导电性的导热性 焊料组合超过由银和铋组成的比较焊料组合物,将银与至少一种另外的金属共混以形成银 - 金属合金,并将银 - 金属合金与铋共混以形成焊料组合物,其中至少 一种额外的金属不会显着改变固相线温度,并且不会将液相线温度移动到可接受的液相线温度范围之外。

    IMPROVED COMPOSITIONS, METHODS AND DEVICES FOR HIGH TEMPERATURE LEAD-FREE SOLDER
    3.
    发明申请
    IMPROVED COMPOSITIONS, METHODS AND DEVICES FOR HIGH TEMPERATURE LEAD-FREE SOLDER 审中-公开
    改进的用于高温无铅焊料的组合物,方法和装置

    公开(公告)号:WO03026828A3

    公开(公告)日:2003-06-19

    申请号:PCT/US0230608

    申请日:2002-09-25

    Abstract: A lead-free (130) solder comprises an alloy of silver and bismuth in amounts of about 2 wt% to about 18 wt% and about 98 wt% to about 82 wt%, respectively. Contemplated alloys further comprise at least one of zinc, nickel, germanium or a combination thereof in an amount of up to about 1000 ppmy and have a solidus of no lower than about 262.5 DEG C and a liquidus of no higher than about 400 DEG C. Contemplated alloys may further comprise a chemical element with an oxygen affinity that is higher than the oxygen affinity of at least one of the constituents of the alloy, and particularly contemplated elements are phosphorus and germanium.

    Abstract translation: 无铅(130)焊料包含量分别为约2重量%至约18重量%和约98重量%至约82重量%的银和铋的合金。 考虑的合金进一步包含至多约1000ppmy的锌,镍,锗或其组合中的至少一种,并具有不低于约262.5℃的固相线和不高于约400℃的液相线 考虑的合金可以进一步包含具有比合金的至少一种成分的氧亲和力更高的氧亲和力的化学元素,并且特别考虑的元素是磷和锗。

    IMPROVED COMPOSITIONS, METHODS AND DEVICES FOR HIGH TEMPERATURE LEAD-FREE SOLDER
    4.
    发明申请
    IMPROVED COMPOSITIONS, METHODS AND DEVICES FOR HIGH TEMPERATURE LEAD-FREE SOLDER 审中-公开
    改进的组合物,高温无铅焊料的方法和装置

    公开(公告)号:WO2003026828A2

    公开(公告)日:2003-04-03

    申请号:PCT/US2002/030608

    申请日:2002-09-25

    IPC: B23K

    Abstract: A lead-free solder comprises an alloy of silver and bismuth in amounts of about 2 wt% to about 18 wt% and about 98 wt% to about 82 wt%, respectively. Contemplated alloys further comprise at least one of zinc, nickel, germanium or a combination thereof in an amount of up to about 1000 ppm (preferably about 500ppm) and have a solidus of no lower than about 262.5 °C and a liquidus of no higher than about 400 °C. Contemplated alloys may further comprise a chemical element with an oxygen affinity that is higher than the oxygen affinity of at least one of the constituents of the alloy, and particularly contemplated elements are phosphorus and germanium.

    Abstract translation: 无铅(130)焊料包含分别为约2重量%至约18重量%和约98重量%至约82重量%的量的银和铋合金。 考虑的合金还包含至多约1000ppmy的锌,镍,锗或其组合中的至少一种,并且具有不低于约262.5℃的固相线和不高于约400℃的液相线。 考虑的合金可以进一步包含具有高于合金的至少一种成分的氧亲和力的氧亲和力的化学元素,并且特别考虑的元素是磷和锗。

    THERMAL INTERCONNECT AND INTERFACE MATERIALS, METHODS OF PRODUCTION AND USES THEREOF
    6.
    发明申请
    THERMAL INTERCONNECT AND INTERFACE MATERIALS, METHODS OF PRODUCTION AND USES THEREOF 审中-公开
    热互连和界面材料,生产方法及其用途

    公开(公告)号:WO2008147825A4

    公开(公告)日:2009-05-07

    申请号:PCT/US2008064422

    申请日:2008-05-21

    Abstract: Thermal interface materials are disclosed that include at least one matrix material component, at least one high conductivity filler component, at least one solder material; and at least one material modification agent, wherein the at least one material modification agent improves the thermal performance, compatibility, physical quality or a combination thereof of the thermal interface material. Methods of forming thermal interface materials are also disclosed that include providing each of the at least one matrix material component, at least one high conductivity filler, at least one solder material and at least one material modification agent, blending the components; and optionally curing the components pre- or post-application of the thermal interface material to the surface, substrate or component. Also, thermal interface materials are disclosed that include at least one matrix material component, at least one high conductivity filler component, at least one solder material; and at least one material modification agent, wherein the at least one material modification agent at least one modified thermal filler profile.

    Abstract translation: 公开了热界面材料,其包括至少一种基质材料组分,至少一种高电导率填料组分,至少一种焊料材料; 和至少一种材料改性剂,其中所述至少一种材料改性剂改善所述热界面材料的热性能,相容性,物理质量或其组合。 还公开了形成热界面材料的方法,其包括提供至少一种基质材料组分,至少一种高电导率填料,至少一种焊料材料和至少一种材料改性剂中的每一种,混合组分; 并且可选地将热界面材料预施加或后施加到表面,基材或组分上固化。 此外,公开了热界面材料,其包括至少一种基体材料组分,至少一种高电导率填料组分,至少一种焊料材料; 和至少一种材料改性剂,其中所述至少一种材料改性剂至少一种改性的热填料型材。

    SOLDER PASTE FORMULATIONS, METHODS OF PRODUCTION AND USES THEREOF
    9.
    发明申请
    SOLDER PASTE FORMULATIONS, METHODS OF PRODUCTION AND USES THEREOF 审中-公开
    焊膏配方,生产方法及其用途

    公开(公告)号:WO2003068447A1

    公开(公告)日:2003-08-21

    申请号:PCT/US2003/004374

    申请日:2003-02-12

    Abstract: A solder paste formulation has been developed that comprises a) at least one metal-based material; b) at least one support material; and c) at least one stability modification material. Furthermore, a method of producing a solder paste formulation having a stability component, as described herein, comprises a) providing at least one metal-based material; b) providing at least one support material; c) providing at least one stability modification material; and d) combining the at least one metal-based material, the at least one support material and the at least one stability modification material such that the stability component of the solder paste formulation is increased over a reference stability component of a conventional or reference solder paste formulation comprising similar metal-based materials and similar support materials.

    Abstract translation: 已经开发了焊膏配方,其包括:a)至少一种金属基材料; b)至少一种支撑材料; 和c)至少一种稳定性改性材料。 此外,如本文所述的制备具有稳定性组分的焊膏制剂的方法包括:a)提供至少一种金属基材料; b)提供至少一种支撑材料; c)提供至少一种稳定性改性材料; 以及d)组合所述至少一种金属基材料,所述至少一种支撑材料和所述至少一种稳定性改性材料,使得所述焊膏配方的稳定性组分比常规或参考焊料的参考稳定性组分增加 糊剂制剂包含类似的金属基材料和类似的支撑材料。

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