Unit | Spec Limits | |||||
Item | Detection method | Min | Max | Result | ||
外观 Appearance | 内部标准 Internal standard | visual | 无杂质、缺胶、褶皱 | Pass | ||
厚度 Ahickness | 内部标准 Internal standard | μm | 57 | 63 | 62 | |
幅宽 Breadth | 内部标准 Internal standard | mm | 249 | 251 | 250 | |
溢胶量 Excess glue amount | IPC-TM-650-2.3.17.1 | mm | 0.05 | 0.15 | 0.126 | |
剥离强度 Peel strength | IPC-TM-650-2.4.9 | kgf/cm | 0.7 | 1.44 | ||
焊锡耐热性 Heat resistance of solder | IPC-TM-650-2.4.13 | 288℃/10s | 无分层、起泡 | Pass | ||
尺安安定性 Ruler stability | IPC-TM-650-2.2.4 | % | TD | ±0.15 | -0.01 | -0.04 |
MD | -0.03 | -0.08 |