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Contact Us GLOBAL Search this site 日本語 中文 Corporate Overview Products and Services Research and Development Sustainability News Corporate Overview Message from the Management Philosophy Quick Guide to JX Advanced Metals Business Segments Corporate Data Organization and Executive Officers Corporate History Operating Sites and Group Companies Long-Term Vision and Medium- to Long-term Business Strategies and Business Targets Purchasing Information Products and Services Search by Category Copper Alloys and Special Steel Products Copper Foil Sputtering Targets Compound Semiconductors and Crystal Materials Metal and Compound Powders Special Ceramic Powders High Purity Metals Surface Treatment Agents Upinorg (high-purity copper sulfate) Electroless UBM Plating Service MoSi2 Heater Shielding Materials Nonferrous Metals and Chemical Products Products Under Development Search by Keyword Semiconductors and Sensors Circuit Boards Assembly Displays Batteries and Energy Additive Manufacturing Connectors Magnetic Devices Electromagnetic Shielding Communications Optics Camera Modules Piezoelectricity Thermal Control Research and Development Our Core Technologies Contributing to Societal Growth and Innovation Initiatives for Co-creation Collaboration in the Group SQUARE LAB Sustainability Sustainability Report Toward Net-Zero CO2 Emissions Activities in Environmental Conservation CSR Purchasing News News Release Trade Fairs and Exhibitions MENU HOME Products and Services Copper Alloys and Special Steel Products Copper Alloy Foil Titanium Copper Foil ― alternative to Cu-Ni-Sn foil Copper Alloy Foil Titanium Copper Foil ― alternative to Cu-Ni-Sn foil Overview A Hyper titanium copper foil (model code C1990HP) offering the highest level of strength of any copper alloy. The high strength and excellent spring properties make it an alternative to beryllium copper foil. Higher thickness precision than conventional materials is achieved by optimizing the manufacturing processes. This higher thickness precision in turn improves the stability of spring properties. All production processes from metal melting to product-width slitting take place in our Kurami Works, enabling quick delivery time. S-S curve data Technical data Features High strength Excellent spring properties Can be used in place of beryllium copper High thickness precision High reliability Excellent stress relaxation resistance Excellent fatigue properties Full-process production for quick delivery Manufacturable thickness (typical dimensions) 30&＃181;m~100&＃181;m Maximum width 450 mm Typical applications Connectors Spring material in autofocus camera modules for mobile phones Table 1. C1990HP foil chemical composition (%)   Ti Cu + Ti Standard composition 2.90~3.50 &＃8807; 99.5 Table 2. Physical properties of C1990HP foil Electrical conductivity 10 %IACS (@20&＃8451;) Specific resistance 172 n&＃937;&＃183;m (@20&＃8451;) Thermal conductivity 47 W/mK Linear expansion coefficient 18.6 ×10-6/K (20 to 300&＃8451;) Modulus of elasticity XSH : 115 GPa GSH : 127 Density 8.70 g/cm3 Table 3. Mechanical properties of C1990HP foil (upper: typical values, lower: specification range) Temper Tensile strength (MPa) Vickers hardness (Hv) C1990HP-XSH 1150 1050-1400 340 310-380 C1990HP-GSH 1400 1300-1600 400 350-450 Figure 1. Histogram of thickness distribution in the longitudinal direction (comparison of high thickness precision material with conventional material; thickness 30&＃181;m) Data obtained by X-ray measurements of thickness at the center of the transverse direction (perpendicular to the rolling direction) of the mother coil, taken every 0.01 seconds for approximately 1,000 meters. The values shown are typical values and are not intended as specifications. Figure 2. Thickness distribution in the transverse direction (high thickness precision material N = 3, thickness 30 &＃181;m) Thickness distribution was measured in the transverse direction using a direct contact thickness gauge. The values shown are typical values and are not intended as specifications. Contact Information From the Web Contact Form Inquiries accepted 24 hours a day. 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