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| 鉆孔機(jī)CNC機(jī)定位底板 電木板?General?Properties?一般特性 | |||||
| Test?Item?????測試項(xiàng)目 | Unit????單位 | TestMethod(IPC-TM-650)??????????測試方法 | Test?Condition??處理?xiàng)l件 | Specification(IPC-4101B)??規(guī)格值 | Typical?Value???典型值 |
| Bow?/?Twist???彎弓度/翹曲度 | % | JIS?C?6481 | A | ≤?1.8 | 0.15?/?0.17 |
| Surface?Resistivity???表面電阻 | MΩ | JIS?C?6481 | C-96/35/90 | ≥1.0×104 | 1.0×106 |
| Volume?Resistivity????體積電阻 | Ω-cm | JIS?C?6481 | C-96/35/90 | ≥1.0×106 | 1.0×108 |
| Dielectric?Constant??????介電常數(shù) | — | JIS?C?6481 | Etched/@1?MHZ | ≤5.4 | 4.0~5.0 |
| Loss?Tangent??介質(zhì)損耗 | — | JIS?C?6481 | Etched/@1?MHZ | ≤0.035 | 0.025~0.035 |
| Moisture?Absorption????吸水率 | % | JIS?C?6481 | D-24/23 | ≤2(min0.51) | 1.0--1.2 |
| Density 密度 | g/cm3 | — | A | 1.4--1.5 | 1.45 |
| Through?a?minute?withstand?voltage???????貫穿一分鐘耐電壓 | KV/mm | — | C-90/20/65 | 15 | 15 |
| Resistance?along?the?voltage?level?沿?層?耐?電?壓 | KV | JIS?C?6481 | C-0.5/90 | 10 | 10 |
| Insulation????絕緣阻抗 | Ω | JIS?C?6481 | C-90/20/65 | 1.0*1013-14 | 1.0*1013-14 |
| Dielectric?rate????????誘電率 | 1MHz | — | C-90/20/65 | 3.5--4.5 | 3.5--4 |
| Bending?strength???????彎?曲強(qiáng)?度 | Kgf/mm2 | JIS?C?6481 | A | 11--13 | 12 |
| Tensile?strength???????引?張?強(qiáng)?度 | Kgf/mm2 | JIS?C?6481 | A | 7--9 | 9 |
| Faces?strength面?開?強(qiáng)?度 | Kgf | JIS?C?6481 | A | 600-800 | 750 |
| Hardness??????硬???度 | HR-R | — | A | 110-115 | 110 |
| Shock?level????沖?擊?度 | Kgf/mm2 | — | A | 8--12 | 11 |
| Heat?resistance 耐?熱?性 | — | — | 130℃??3H?? | — | 無異常 |
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