導熱材料
LTK/LTP/LAS/LA/LAX
| 產品特性 | Unit | Spec. | LTK | LTP | LAS | LA | LAX | Test Method | ||
| 基板導熱係數 | W/mK | 1.5 | 1.8 | 2.2 | 2.5 | 3.0 | ASTM D5470 | |||
| 膠片導熱係數 | W/mK | 2.8 | 3.2 | 5.5 | 6.3 | 8 | E1461( Laser Flash) | |||
| 熱阻 | ℃cm²/W | ≦1 | 0.4 | 0.38 | 0.36 | 0.34 | 0.28 | ASTM D5470 | ||
| 剥離強度 | Kgf/cm | ≧1.0 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | IPC-TM-650 2.4.8 | ||
| 漂錫耐熱測試 [300℃] | min | >3 | 5 | 5 | 5 | 5 | 5 | IPC-TM-650 2.4.13 | ||
| 破壞電壓 | 交流電 (AC) | KV | ≧3 | 4 | 4 | 4 | 4 | 4 | IPC-TM-650 2.5.6.2 | |
| 直流電 (DC) | KV | ≧3 | 5 | 5 | 5 | 5 | 5 | |||
| 玻璃轉移溫度Tg [DMA 30~300℃] | ℃ | 130 | 150 | 180 | 190 | 200 | IPC-TM-650 2.4.25 | |||
| 熱裂解溫度Td [TGA 5% weight loss] | ℃ | ≧350 | 380 | 380 | 420 | 420 | 420 | IPC-TM-650 2.3.41 | ||
| 熱膨脹係數CTE [TMA] | >Tg | ppm/℃ | ≦120 | 53 | 53 | 48 | 48 | 38 | IPC-TM-650 2.4.24 | |
| <Tg | ppm/℃ | ≦60 | 33 | 33 | 24 | 24 | 30 | |||
| 介電常數Dk @10GHz | - | <8 | 4.8 | 6.6 | 6.5 | 6.5 | 5.8 | IPC-TM-650 2.5.5.9 | ||
| CTI | >600 | >600 | >600 | >600 | >600 | |||||
| MOT | 130* | 130* | 130 | 130 | 130* | |||||
