RU2008109198A - ENVIRONMENTALLY SAFE SURFACE TREATED STEEL SHEET FOR ELECTRONIC COMPONENTS WITH PERFECT WETTABILITY OF BRAZE, RESISTANCE TO THE FORMATION OF MUSTARS AND EXTERNAL APPEARANCE. - Google Patents

ENVIRONMENTALLY SAFE SURFACE TREATED STEEL SHEET FOR ELECTRONIC COMPONENTS WITH PERFECT WETTABILITY OF BRAZE, RESISTANCE TO THE FORMATION OF MUSTARS AND EXTERNAL APPEARANCE. Download PDF

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RU2008109198A
RU2008109198A RU2008109198/02A RU2008109198A RU2008109198A RU 2008109198 A RU2008109198 A RU 2008109198A RU 2008109198/02 A RU2008109198/02 A RU 2008109198/02A RU 2008109198 A RU2008109198 A RU 2008109198A RU 2008109198 A RU2008109198 A RU 2008109198A
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steel sheet
alloy
electronic components
treated steel
layer
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RU2008109198/02A
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RU2391445C2 (en
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Реуити ЕСИХАРА (JP)
Реуити ЕСИХАРА
Ясухико МИУРА (JP)
Ясухико МИУРА
Казухиде ХИДАКА (JP)
Казухиде ХИДАКА
Кендзи ИМАИ (JP)
Кендзи ИМАИ
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Ниппон Стил Корпорейшн (JP)
Ниппон Стил Корпорейшн
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/22—Orthophosphates containing alkaline earth metal cations
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/08—Tin or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer

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  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

1. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении, который включает в себя стальной лист или никелированный стальной лист, покрытый Sn и Zn и затем обработанный методом термодиффузии или покрытый Sn-Zn сплавом с образованием слоя Sn-Zn сплава, причем этот поверхностно обработанный стальной лист для электронных компонентов, отличающийся тем, что указанный слой Sn-Zn сплава наносят в количестве 3 г/м2 или больше, слой Sn-Zn сплава имеет весовое отношение Zn/Sn от 0,001 до 0,1 и этот слой Sn-Zn сплава имеет неорганическое покрытие, состоящее в основном из фосфорной кислоты-цинка-магния, где нанесенное количество P+Zn+Mg составляет от 0,1 до 100 мг/м2. ! 2. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по п.1, отличающийся тем, что указанный слой Sn-Zn сплава имеет весовое отношение Zn/Sn от 0,001 до 0,01. ! 3. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по п.2, отличающийся тем, что неорганическое покрытие, состоящее в основном из фосфорной кислоты-цинка-магния, на указанном слое Sn-Zn сплава имеет нанесенное количество P+Zn+Mg от 0,1 до 10 мг/м2. ! 4. Способ производства экологически безопасного поверхностно обработанного стального листа для электронных компонентов с прекрасными смачиваемость1. Environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, whisker resistance and aging consistency, which includes steel sheet or nickel-plated steel sheet coated with Sn and Zn and then thermally diffused or coated with Sn -Zn alloy to form a layer of Sn-Zn alloy, this surface-treated steel sheet for electronic components, characterized in that said layer of Sn-Zn alloy is applied in an amount of 3 g / m2 or more, the layer of Sn-Zn alloy has a weight ratio of Zn / Sn from 0.001 to 0.1 and this layer of Sn-Zn alloy has an inorganic coating consisting mainly of phosphoric acid-zinc-magnesium, where the amount of P + Zn + Mg applied is from 0.1 to 100 mg / m2. ! 2. An environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, whisker resistance and aging consistency according to claim 1, wherein said Sn-Zn alloy layer has a Zn / Sn weight ratio of 0.001 to 0.01. ! 3. Environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, whisker resistance and aging consistency according to claim 2, characterized in that the inorganic coating consisting mainly of phosphoric acid-zinc-magnesium on the specified layer of Sn-Zn alloy has a deposited amount of P + Zn + Mg from 0.1 to 10 mg / m2. ! 4. Manufacturing method of environmentally friendly surface-treated steel sheet for electronic components with excellent wettability

Claims (5)

1. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении, который включает в себя стальной лист или никелированный стальной лист, покрытый Sn и Zn и затем обработанный методом термодиффузии или покрытый Sn-Zn сплавом с образованием слоя Sn-Zn сплава, причем этот поверхностно обработанный стальной лист для электронных компонентов, отличающийся тем, что указанный слой Sn-Zn сплава наносят в количестве 3 г/м2 или больше, слой Sn-Zn сплава имеет весовое отношение Zn/Sn от 0,001 до 0,1 и этот слой Sn-Zn сплава имеет неорганическое покрытие, состоящее в основном из фосфорной кислоты-цинка-магния, где нанесенное количество P+Zn+Mg составляет от 0,1 до 100 мг/м2.1. An environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, resistance to mustache formation and consistent appearance during aging, which includes a steel sheet or nickel-plated steel sheet coated with Sn and Zn and then heat-diffused or coated with Sn -Zn alloy to form a Sn-Zn alloy layer, this surface-treated steel sheet for electronic components, characterized in that said Sn-Zn alloy layer is applied in an amount f 3 g / m 2 or more, a layer of Sn-Zn alloy has a weight ratio Zn / Sn 0.001 to 0.1, and this layer is Sn-Zn alloy has an inorganic coating composed mainly of phosphoric acid-zinc-magnesium, where applied the amount of P + Zn + Mg is from 0.1 to 100 mg / m 2 . 2. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по п.1, отличающийся тем, что указанный слой Sn-Zn сплава имеет весовое отношение Zn/Sn от 0,001 до 0,01.2. An environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, mustache resistance and consistent appearance during aging according to claim 1, characterized in that said Sn-Zn alloy layer has a Zn / Sn weight ratio of from 0.001 to 0.01. 3. Экологически безопасный поверхностно обработанный стальной лист для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по п.2, отличающийся тем, что неорганическое покрытие, состоящее в основном из фосфорной кислоты-цинка-магния, на указанном слое Sn-Zn сплава имеет нанесенное количество P+Zn+Mg от 0,1 до 10 мг/м2.3. An environmentally friendly surface-treated steel sheet for electronic components with excellent solder wettability, resistance to mustache formation and a constant appearance during aging according to claim 2, characterized in that the inorganic coating, which consists mainly of phosphoric acid-zinc-magnesium, is the specified layer of Sn-Zn alloy has an applied amount of P + Zn + Mg from 0.1 to 10 mg / m2. 4. Способ производства экологически безопасного поверхностно обработанного стального листа для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по пп.1-3, отличающийся, тем что в качестве покрытия на стальной лист или никелированный стальной лист наносят Sn и Zn с последующей обработкой термодиффузией или нанесением покрытия Sn-Zn сплава с образованием слоя Sn-Zn сплава, после чего лист без удаления с его поверхности слоя оксида цинка погружают в раствор дифосфата магния при температуре от 30 до 70°С и затем немедленно промывают лист и сушат его при 170°С или более низкой температуре.4. A method of manufacturing an environmentally friendly surface-treated steel sheet for electronic components with excellent wettability by solder, resistance to the formation of whiskers and a constant appearance during aging according to claims 1-3, characterized in that, as a coating, a steel sheet or a nickel-plated steel sheet is applied Sn and Zn followed by thermal diffusion or coating of the Sn-Zn alloy to form a Sn-Zn alloy layer, after which the sheet is immersed in a diff Veils magnesium at a temperature from 30 to 70 ° C and then immediately washed with a sheet and dried at 170 ° C or a lower temperature. 5. Способ производства экологически безопасного поверхностно обработанного стального листа для электронных компонентов с прекрасными смачиваемостью припоем, стойкостью к образованию усов и постоянством внешнего вида при старении по п.4, отличающийся тем, что температуру операции погружения в раствор дифосфата магния устанавливают от 50 до 70°С и температуру сушки после последующей промывки устанавливают равной 100°С или ниже. 5. A method of manufacturing an environmentally friendly surface-treated steel sheet for electronic components with excellent wettability by solder, resistance to the formation of whiskers and a constant appearance during aging according to claim 4, characterized in that the temperature of the immersion operation in the solution of magnesium diphosphate is set from 50 to 70 ° C and the drying temperature after subsequent washing is set to 100 ° C or lower.
RU2008109198/02A 2005-08-12 2006-08-08 Environmentally safe steel sheet with surface finish for electronic components with excellent solder wettability, whisker-proof properties and exterior stability, and method of sheet production RU2391445C2 (en)

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JP2005234623A JP4571895B2 (en) 2005-08-12 2005-08-12 Surface-treated steel sheet for environment-friendly electronic parts with excellent solder wettability, whisker resistance, and appearance stability over time, and method for producing the same
JP2005-234623 2005-08-12

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MY148760A (en) 2013-05-31

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