.
| lamp 电灯 | lamp arrangement 灯泡排列 | lamp lumen depreciation factor，LLD 灯管流明降落系数 |
| lamp power control 照射灯功率控制 | lamp shielding angle 电灯遮光角 | lapped wafer 经磨光晶圆 |
| Lapping 研磨,磨光 | lapping wafer 刚磨光晶圆 | laser ablation 激光烧蚀 |
| laser annealer 激光退火处理机 | laser assisted CVD system 激光辅助型CVD系统 | laser beam prober 激光束探测器 |
| laser beam test system 激光束测试系统 | laser beam welding equipment 激光束焊接装置 | laser bonding 激光接合 |
| laser cavity 苗射谐振腔 | laser doping system 激光掺杂系统 | laser homogenizer 激光波束均匀化机 |
| laser mark 激光标记 | laser marker 激光标印机 | laser microscope 激光显微镜 |
| laser output stability 激光输出稳定度 | laser power 激光功率 | laser processing system 激光处理系统 |
| laser scattering tomograph defect 激光散射X光断层摄影缺陷 | laser surface scanner 晶圆表面激光扫描仪 | latch-up 闭锁 (锁存；闩锁；锁上) |
| lattice constant 晶格常数 | lattice parameter 晶格参数 | Layout 布局 |
| layout driven synthesis 布置驱动合成 | layout editor 配置编辑器 | layout parameter extraction 配置参数萃取 |
| layout versus schematic 配置、检图对照 | layout-circuit comparison 配置电路比较 | lead acid battery 铅酸电池 |
| lead coplanarity 脚端同平面性 | lead cutting/lead trimming 脚端切断/脚端修剪 | lead forming 脚端整形，脚端弯曲 |
| lead frame 引导框架，花架 | lead frame loader 引导框架装载机 | lead locater 引线定位器 |
| lead on chip 脚端由芯片引线端焊接之封装体 | Lead time 前置时间 | lead-acid cell 酸性电池 |
| leaf type contract 薄板型接触 | leak test 漏气试验 | length of fresh wire feeding 新线馈线长度 |
| lens 透镜 | lens projection aligner 透镜投影对准曝光器 | license 许可证、执照 |
| life time 寿命 | lifetime measurement system （载子）寿命测试系统 | light 光 |
| light figure method 光像法 | light integrator 光线积分器 | light loss factor, LLF 光损失系数 |
| light scattering measurement system 光散射测量系统 | light scattering measurement system (LSM) 光散射测量系统 | light scattering method 光散射法 |
| light-dependent resistor (LDR) 光敏电阻器 | Light-Emitting Diode (LED) 发光二极管 | limbo 备用行与被用列之焦点 |
| line and space/L&S 线与间隙/L&S | line defect 线缺陷 | line defect test 线缺陷试验 |
| line width accuracy 线宽精确度 | line-of-sight (LOS) 视线 | line-of-sight transmission 视线传输 |
| lineage defect 系属缺陷，系谱缺陷 | Linear Operation 线性放大 | linear test system 线性测试系统 |
| linear tube 线性温度加热管，均热管 | linearity 线性 | link cut data 链环切断资料 |
| link to layout 连接布置 | liquid burn-in system 液体老化测试系统 | liquid encapsulation Czochralski method 液体密封切克劳斯基法 |
| liquid phase epitaxial growth system 液相磊晶生长系统 | liquid source delivery system 液体源输送系统 | liquid spill sensor 液体溢流传感器 |
| lithium ion battery 锂离子电池 | lithium manganese battery 锂锰电池 | lithography 微影术，石版印刷术 |
| Load 负载 | load board 搭载基板 | load circuit 负载电路 |
| load power supply selective relay 负载电源选择继电器 | Load Regulation 负载调整 | load-lock chamber 加载互锁真空室 |
| loader 装载机、装料机 | loading effect 搭载效应 | Loading Effects 负载效应 |
| loading frame 装载架 | local electric field effect 局部电场效应 | local lighting 局部照明 |
| local memory 局部记忆器 | local thickness variation 局部厚度变动 | localized general lighting 局部全般照明 |
| location pin 定位插栓 | log-normal graph 对数正规图表 | log-normal plot 对数正规图表 |
| logging memory 记录记忆器 | logic memory mixed design 逻辑记忆混合设计 | logic probe 逻辑探针；逻辑探测棒 |
| logic simulator 逻辑仿真器 | logic synthesis/logic synthesizer 逻辑合成/逻辑合成器 | logic test system 逻辑测试系统 |
| logic tester 逻辑测试器 | logical conversion 逻辑变换 | long throw sputtering method 长抛溅射法 |
| loop 环路 | loop control 环路控制 | loop gain 回路增益 |
| loop height 环路高度 | loop shape 环路形状 | loose abrasive 松弛研磨料 |
| Loss factor 耗损因子 | lotus effect 莲花效应 | loud speaker 扬声器 |
| louver 遮板 | louver shielding angle 遮板遮光角 | louvered ceiling 方格天花板 |
| low current ion implanter 小电流离子注入机 | Low Cut Filter 低频衰减滤波器 | low energy electron diffraction method 低能电子绕射法 |
| low energy ion implanter 低能量离子注入机 | Low Pass Filter 低通滤波器 | Low power design 低消费电力化设计,耗电设计 |
| low pressure CVD system 低压CVD系统 | low pressure vapor phase epitaxial growth system 低压汽相磊晶生长系统 | low presure vapor phase epitaxial growth system 低压汽相磊晶生长系统 |
| low temperature etching 低温蚀刻 | low-frequency 低频率的; 长波的 | Low-Frequency Response 低频响应 |
| lower lapping plate 下盘磨盘/下定盘 | lower surface grinding width 下侧平面研磨宽度 | Lower triggerpoint (LTP) 下激发点 |
| LPE Liquid phase epitaxy 液态磊晶技术 | LTCC Low-Temperature Cofired Ceramics 低温共烧多层陶瓷 | lumen 流明 |
| lumen(or flux)method 流明计算法 | luminaire 灯具 | luminaire dirt depreciation factor, LDD 灯具尘埃减能系数 |
| luminaire efficiency 灯具效率 | luminance contrast 辉度对比 | luminance difference 辉度差 |
| luminance efficacy of a source of light 光源辉度效力 | luminance ratio 辉度比 | luminance(photometric brightness) 辉亮度 |
| luminous ceiling 流明天花板 | luminous flux 光通量，光束 | luminous intensity 光度 |
| lux 勒克司 |
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