电路板中英文专业术语词汇(N-Z).docx

电路板专业词汇（N－Z）N.C.数值控制.Nail Head钉头.Near IR近红外线.Negative负片,钻尖的第一面外缘变窄.Negative Etch-back反回蚀.Negative Stencil负性感光膜.Negative-Acting Resist负性作用之阻剂.Network纲状元件.Newton牛顿.Newton Ring 牛顿环.Newtonian Liquid牛顿流体.Nick缺口.N-Methyl Pyrrolidine (NMP)N-甲基四氢哔咯.Noble Metal Paste贵金属印膏.Node节点.Nodule节瘤.Nomencleature标示文字符号.Nominal Cured Thickness标示厚度.Non-Circular Land非圆形孔环焊垫.Non-flammable非燃性.Non-wetting不沾锡.Normal Concentration (Strength)标准浓度,当量浓度.Normal Distribution常态分布.Novolac酯醛树脂.Nucleation , Nucleating核化.Numerical Control数值控制.Nylon尼龙.*****O*****Occlusion吸藏.Off-Contact架空.Offset第一面大小不均.OFHC(Oxyen Free High Conductivity)无氧高导电铜.Ohm欧姆.Oilcanning盖板弹动.OLB(Outer Lead Bond)外引脚结合.Oligomer寡聚物.Omega Meter离子污染检测仪.Omega Wave振荡波.On-Contact Printing密贴式印刷.Opaquer不透明剂,遮光剂.Open Circuits断线.Optical Comparater光学对比器(光学放大器.)Optical Density光密度.Optical Inspection光学检验.Optical Instrument光学仪器.Organic Solderability Preservatives (OSP)有机保焊剂.Osmosis渗透.Outgassing出气,吹气.Outgrowth悬出,横出,侧出.Output产出,输出.Overflow溢流.Overhang总悬空.Overlap 钻尖点分离.Overpotantial(Over voltage)过电位,过电压.Oxidation氧化.Oxygen Inhibitor氧化抑制剂.Ozone Depletion臭氧层耗损.*****P*****Packaging封装,构装.Pad焊垫,圆垫.Pad Master圆垫底片.Pads Only Board唯垫板.Palladium钯.Panel制程板.Panel Plating全板镀铜.Panel Process全板电镀法.Paper Phenolic纸质酚醛树脂(板材).Parting Agent脱膜剂.Passivation钝化 ,钝化外理.Passive Device (Component)被动组件(零件)Paste膏,糊.Pattern板面图形.Pattern Plating线路电镀.Pattern Process线路电镀法.Peak Voltage峰值电压.Peel Strength抗撕强度.Periodic Reverse (PR) Current周期性反电流.Peripheral周边附属设备.Permeability透气性,导磁率.Permittivity诱电率,透电率.pH Value酸碱值.Phase相.Phase Diagram相图.Phenolic酚醛树脂.Photofugitive感光褪色.Photographic film感光成像之底片.Photoinitiator感光启始剂.Photomask光罩.Photoplotter, Plotter光学绘图机.Photoresist光阻.Photoresist Chemical Machinning (Milling)光阻式化学(铣刻)加工.Phototool底片.Pick and Place拾取与放置.Piezoelectric压电性.Pin 插脚,插梢,插针.Pin Grid Array (PGA)矩阵式针脚对装.Pinhole针孔.Pink Ring粉红圈.Pitch跨距,脚距,垫距,线距.Pits凹点.Plain Weave平织.Plasma电浆.Plasticizers可塑剂,增塑剂.P