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Products Technologies Corporate Profile Contact Us Metals for Environment and Energy Clad metals for batteries Metals for batteries Clad metals for heat exchangers Metals for Automobiles Clad metals for rechargeable batteries Clad metals for batteries Clad metals for heat spreaders Materials for resistors Bimetals Temperature compensator alloys Permalloys Copper phosphorus brazing filler metal/Copper clad Copper-clad stainless steel Joining materials Metals for Communications, Semiconductors and Packages Iron-Nickel-Cobalt alloys Iron-Nickel alloys Low thermal expansion alloys for precision equipment Permalloys Clad metals for heat spreaders Metals for laser diodes Clad metals for smartphones Bimetals Metal parts for package sealing Au coated Ni-P particles Lead pins Metals for functional parts Copper alloy strip for semiconductor lead frames Dual gauge copper strip Plated copper strip and dual gauge copper strip Copper strip for heat sinks and heat spreaders Copper strip for ceramic substrates General industry Copper bar, copper rod, formed bars, hollow conductors Fabricated products Copper strip for industrial applications Oxygen-free copper rods containing zirconium Oxygen-free copper Class 1 Metals for Domestic Electrical Applications Lead frame materials for LEDs Iron/Copper clad Clad metals for button-type batteries Bimetals Temperature-sensitive magnetic materials Permalloys Clad metals for conductive springs Temperature compensator alloys Metals for information technology devices Stainless steels for heater applications Metals for Special Applications Corrosion-resistant alloys/Heat-resistant alloys Low thermal expansion alloys Alloys for high tensile strength springs Material technologies Material technologies Extremely thin metallic foils (High-precision rolled foils) Processing technology Forming modified cross-section shape Machining Bending Welding Punching Drawing press Heading Metal ball manufacturing process Brazing Magnetic annealing Surface treatment technologies Plating(Fine processed products、Strip) Plating on hoops and extremely thin metallic foils Corporate Profile Message from the President --> Corporate Summary and History Major Offices and Access Map Proterial Group Codes of Conduct CSR Activities of Proterial Group Companies Environmental Activities Quality Management Cautions Regarding Product Use Contact Us Contact Us Japanese Products Technologies Corporate Profile Contact Us Proterial Metals, Ltd. TOP > Products > Metals for Automobiles > Clad metals for heat spreaders (Cu/36Ni-Fe/Cu, etc.) Metals for Automobiles ●Clad metals for heat spreaders (Cu/36Ni-Fe/Cu, etc.) 【Features】 ・This clad metal features high heat conductivity combined with low thermal expansion property. ・The coefficient of thermal expansion of this alloy can be controlled by changing the sheet thickness ratio. 【Usage example 1】 ［Heat-dispersion substrates and lead frames］ Clad metals for heat spreaders (Cu/36Ni-Fe/Cu, etc.) Thermal conductivity and thermal expansion coefficients of various types of heat spreaders Developed using our proprietary technology, these special clad metals have low thermal expansivity (compared to Cu) and high heat conductivity (compared to 36Ni-Fe and Fe). They are also deep-drawable and can be easily press-molded. And, they can be plated, soldered or directly brazed. These special clad metals are suitable for heat-dispersion substrates and lead frame materials. 【Usage example 2】 [LED mounting boards] Heat-dispersion materials for LEDs (Cu/36Ni-Fe/Cu, Cu/Fe/Cu, Aℓ striped Cu, etc.) With their attributes of appropriate heat conductivity and thermal expansivity, these materials have the characteristics needed to meet the growing demand for LEDs with higher intensity and longer lives. Aluminum may be placed on the lightreflecting area to prevent sulfuration. 【技術資料・カタログ】 ・クラッド（PDF形式、clad.pdf、7,073KB） --> Products Metals for Environment and Energy Clad metals for batteries Metals for batteries Clad metals for heat exchangers Metals for Automobiles Clad metals for rechargeable batteries Clad metals for batteries Clad metals for heat spreaders Materials for resistors Bimetals Temperature compensator alloys Permalloys Copper phosphorus brazing filler metal/Copper clad Copper-clad stainless steel Joining materials Metals for Communications, Semiconductors and Packages Iron-Nickel-Cobalt alloys Iron-Nickel alloys Low thermal expansion alloys for precision equipment Permalloys Clad metals for heat spreaders Metals for laser diodes Clad metals for smartphones Bimetals Metal parts for package sealing Au coated Ni-P particles Lead pins Metals for functional parts Copper alloy strip for semiconductor lead frames Dual gauge copper strip Plated copper strip and dual gauge copper strip Copper strip for heat sinks and heat spreaders Copper strip for ceramic substrates General industry Copper bar, copper rod, formed bars, hollow conductors Fabricated products Copper strip for industrial applications Oxygen-free copper rods containing zirconium Oxygen-free copper Class 1 Metals for Domestic Electrical Applications Lead frame materials for LEDs Iron/Copper clad Clad metals for button-type batteries Bimetals Temperature-sensitive magnetic materials Permalloys Clad metals for conductive springs Temperature compensator alloys Metals for information technology devices Stainless steels for heater applications Metals for Special Applications Corrosion-resistant alloys/Heat-resistant alloys Low thermal expansion alloys Alloys for high tensile strength springs Material technologies Material technologies Material technologies Extremely thin metallic foils (High-precision rolled foils) Processing technology Forming modified cross-section shape Machining Bending Welding Punching Drawing press Heading Metal ball manufacturing process Brazing Magnetic annealing Surface treatment technologies Plating(Fine processed products、Strip) Plating on hoops and extremely thin metallic foils Corporate Profile Message from the President --> Corporate Summary and History Major Offices and Access Map Proterial Group Codes of Conduct CSR Activities of Proterial Group Companies Environmental Activities Quality Management Cautions Regarding Product Use Contact Us PAGE TOP Corporate Profile Message from the President > --> Corporate Summary and History > Major Offices and Access Map > Proterial Group Codes of Conduct > CSR Activities of Proterial Group Companies > Environmental Activities > Quality Management > Cautions Regarding Product Use > Contact Us > About Personal Information Protection | Sitemap | Proterial Metals Website Terms of Use COPYRIGHT ©Proterial Metals, Ltd. 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