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地址:龙华新区观湖街道白鸽湖路65号
焊接规格:Solder Specfications
组成(质量%)Composition(Mass%) | |||
SN | CU | AG | NI |
余量Balance | 0.7±0.1% | 0.3±0.1% | 0.3±0.1% |
密度(g/cm3) Density |
拉伸强度(Mpa) Tensile Strength |
延伸率(%) Elongation |
楊氏模量(Gpa) Young’s Module |
0.2%屈服点(Mpa) 0.2%Yield Point |
维氏硬度(Hv) Vickers Hardness |
7.31 | N.D. | N.D. | N.D. | N.D. | N.D. |
技术数据:
物理性质Physical properties
项目Ctegory | 值/结果Values/Results | 测试方法/说明Methods/Remarks |
外观 Appearance |
外观灰白色,圆滑膏状,无明显分层。Shall not have separarated flux,and shall be in smooth paste state | 目视 Visual inspection |
金属含量% Metal Loading% |
89.00 | IPC-TM -650 2.2.20 |
粘度 Viscosity Pa.S |
170±30 pa.s |
JIS-Z-3284 6@ Malcom PCU-205:10RPM 3Min 25±1°C<60%RH |
粘着性 Tack |
Initial:75.6 gm Takc retention @ 24 hr: 120.2 gm Tack retention @ 72 hr: 96 gm | JIS Z-3284 9 |
扩散率% Spread Test% |
>80% | JIS-Z-3197-8.3.1.1 |
锡球实验 Solder Ball Test |
可接受Acceptable | IPC-TM-650 2.4.4.3 |
坍塌测试 Slump Test |
No bridges all spacings | IPC- TM-650 2.4.35 |
印刷寿命 Stencil Life |
>8小时Hours | @50%RH,23°C(74°F) |
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