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- Bare laminate, copper, solder resist or other surface. 光面基材,覆铜板,绿油之或其它表面。
- Tests show that the FCCL is excellent at flame-retardance, soldering resistance, high peel strength, low water absorption. 通过测试表明,该FCCL阻燃性能、耐锡焊性能、剥离强度高、吸水率低。
- The results showe the 2L-FCCL have excellent solder resistance and lower water-absorption. 研究表明其相应的2L-FCCL具有良好的耐锡焊性能和较低的吸水率。
- This paper describes the development of solder resist for laser direct imaging(LDI), can rises position alignment accuracy of solder resist in high density PCB manafacturing. 概述了激光直接成像(LDI)用阻焊剂的开发,可以提高高密度PCB制造中阻焊剂的位置重合精度。
- The application of acrylate adhesive in FCCL was researched.And the FCCL showed good flame resistance,excellent solder resistance,high peeling strength and chemical resistance. 并研究了不同配比的丙烯酸酯胶粘剂制得的挠性覆铜板的阻燃性能、力学性能和热学性能。
- DC testing, applying to transformer and inductor winding copper resistance、relay contact resistance、switch and socket contact resistance、lead resistance、compenent solder resistance、PCB line and hole resistance、metal detection,ect. 直流测试,适用于变压器及电感线圈铜阻、继电器接触电阻、开关、接插件接触电阻、导线电阻、元件焊点接触电阻印制板线条及焊孔电阻、金属探伤等。
- The process using polyester FRP composite corrosion resistant layer on the steel sluice gate is simple, and it features good corrosion resistance and low cost. 聚酯玻璃钢复合防腐层的水工钢闸门防腐工艺具有使用设备少,工艺简单、腐效果好、本低等优点,适用于各种水环境中作的各种形式的水工钢闸门防腐,效果良好。
- When re-install the fire resistant layer core, should guarantee the jointing surfaces are tight and without leakage. 重新安装阻火层芯子时应保证各接合面严密无泄漏。
- Thickness Uniformity of Solder Resist for PCB 改善PCB阻焊膜厚度均匀性
- The blocked fire resistant layer core found when check should be cleaned, to guarantee each pore is unblocked, distorted and corroded fire resistant layer should be replaced. 检查发现被堵塞的阻火层芯子应清洗干净,确保芯子上每个孔眼畅通,对于变形或腐蚀的阻火层应更换。
- Solder Resist for Direct Imaging 直接成像用阻焊剂
- Liquid photoimageable solder resist ink 液态感光防焊油墨
- While there are low resistivity layer above anomaly body, amplitude of anomaly will be influenced greatly because of current decreasing through the body. 在异常体上方存在低阻屏蔽层时,由于低阻层会吸引电流,从而导致通过异常体的电流减少,因此异常的幅值也会受到较大的影响。
- The results show that aquiclude of coal seam floor has obvious elimination to water head, and the actual water pressure exerting to the effective water resistant layer is lower than that of aquifer. 结果表明:隔水层的原始导高带对含水层水头具有较大的消减作用,作用于有效隔水层的实际水头压力远小于含水层的水头压力。
- Etching Process for Residual Resist Layer in Ultraviolet-Imprint Lithography 紫外压印光刻中阻蚀胶残膜刻蚀工艺
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- Being as two layer refractory lining on valve plate and valve body,light mullite and phosphate corundum refractory castables are taken as heat isolation and heat resisting layers respectively. 阀板、阀体的耐火衬里隔热层采用莫来石轻质耐火浇注料、耐热层采用磷酸刚玉质耐火浇注料,进行两层浇注。
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。