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World’s Largest Provider(*)
TANAKA’s Bonding Wires

TANAKA offers bonding wires and ribbons, such as gold (Au), silver (Ag), copper (Cu), and aluminum (Al) ultra-fine wires (10 to 38µm) as metal bonding materials and thick wires (100 to 500um) for power devices. Wires with smooth and clean surfaces that have excellent dimensional stability are provided together with solutions that include expertise on metal bonds.

  • (*)Source: SEMI Industry Research and Statistics/TECHCET, April 2020

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  Wire Type
Thick Wire Fine Wire Coated Wire Ribbon
Wire Material Gold
Silver
Copper
Aluminum

* Please inquire regarding product and development items for which detailed information is not provided on this site.

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  Bonded Material
Al Au/Pd/Ni
Plating
Ag
Plating
Au Ni
Plating
Cu
Wire Au/Au Alloy ★★★ ★★★ ★★★ ★★★ ☆☆ ★★
PCC ★★★ ★★ ★★★ ★★★ ☆☆ ☆☆
Cu/Cu Alloy ★★★ ★★ ★★ ★★★ ☆☆ ☆☆
Ag Alloy ★★★ ★★★ ★★★ ★★★ ☆☆ ★★
Al ★★★ ★★ ★★★ ★★ ★★★ ★★★

*Note: Bondability may depend on application. Please inquire for details.

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极速赛车官方开奖直播

Gold (Au) and gold alloy bonding wires with high performance continue to support the semiconductor industry. They boast chemical stability and excellent electrical conductivity not found in other metals. Through material development, we can achieve functions such as fine pitch and low loop while maintaining high purity.

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极速赛车开奖预测

Silver (Ag) alloy bonding wires have excellent electrical and thermal conductivity. They are also effective wires for optical semiconductor devices such as LEDs as they have high reflectivity in the visible spectrum. In addition, as an alternative material for gold (Au) wires, costs can be reduced by approximately 80%.

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TANAKA offers high-purity copper (Cu) ultra-fine wires (down to 15um) of oxygen-free copper grade as well as palladium (Pd) coated copper wire (PCC) added with oxidation resistance through precious metal coating. Costs can be reduced by approximately 90% compared to expensive gold (Au) wires.

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极速赛车精准两期计划

TANAKA Denshi Kogyo offers high-purity aluminum (Al) and copper (Cu) bonding wires (100 to 500µm) and ribbons (width 0.5 to 2.0mm) with excellent surface properties of automotive grade. As aluminum has excellent moisture resistance , it is often used in power device applications that drive high currents under harsh environments. We also have wires for power devices that use copper, which has even better electrical conductivity.

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(mm)
Type Material A B C D E F
AL-2 Aluminum 58.5 48.8 50.3 0.75 26.4 27.9
AL-4 58.5 48.8 50.3 0.75 45.5 47

极速赛车官方计划

(mm)
Type Material A B C D E F
No.88 Poly Carbonate 88 10 50 3 25 31
No.88B 89 10 71 3 25 31
No.88K 88 11 50 3 31 37
No.120 120 10 54 4 30 38
No.120K 120 11 64 4 30 38

  • Al-2

    Al-4

  • No.88

    No.88B

  • No.88K

    No.120K

*Please inquire about other specifications.

极速赛车开奖结果大小

  Unit Gold Copper Aluminum Silver Palladium Platinum
Atomic symbol   Au Cu Al Ag Pd Pt
Atomic number   79 29 13 47 46 78
Atomic weight   196.96655 63.546 26.981538 107.8682 106.42 195.078
Crystal structure   fcc fcc fcc fcc fcc fcc
Lattice constant Å 4.0785 3.6147 4.0496 4.0862 3.8907 3.924
Melting point K 1336.15 1356.45±0.1 933.25 1233.95 1825.15 2042.15±1
Boiling point K 2983 2855 2750±50 2423±20  3150±100 4100±100
Density (20℃) g・cm-3 19.32 8.92 2.70 10.50 12.02 (22℃) 21.45
Resistivity (20℃) μΩ・cm 2.3 1.694 2.7 1.63 10.8 10.58
Heat of fusion kJ・mol-1 12.37 13.1 8.40±0.16 11±0.5 16.7 19.7
Thermal conductivity (0~100℃) W・m-1・K-1 315.5 397 238 425 75.2 73.4
Specific heat (0~100℃) J・kg-1・K--1 130 386.0 917 234 247 134.4
Coefficient of linear expansion (0~100℃) x 10-6・K-1 14.1 17.0 23.5 19.1 11.0 9.0
Young’s modulus GPa 88.3 (300K) 136 (298K) 69 (300K) 100.5 (300K) 121 (293K) 169.9 (293K)
Shear modulus GPa 29.6   26.0 31.3    
Poisson’s ratio   0.440 0.343 0.345 0.367 0.393 0.377

About TANAKA Denshi Kogyo, Supporting the Semiconductor Industry

Creation of a New Business Starting From Bonding Wires

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