1、Nelcote Rev 8_10_07e Rev Park Electrochemical CorpNelco射频与微波材料射频与微波材料Nelco高科技高科技数字电子材数字电子材Nelcote先进复合材料先进复合材料NovaTM 航空构件航空构件Nelcote Rev 8_10_07e Rev Park Electrochemical Corp.成立于成立于1954 全球性供应全球性供应: Nelco数字与射频数字与射频/微波微波线路板用材料线路板用材料 Nelcote结构复合材料结构复合材料主要航空业用途主要航空业用途品牌品牌: Nelco和和Nelcote 2008财务年财务年净营业额净
2、营业额2.42亿亿美金美金纽约股市纽约股市(PKE) 950 员工员工Nelcote Rev 8_10_07e Rev Park Electrochemical Corp.Park ElectrochemicalPark Electrochemical (先进材料）核心技术: 聚合物化学技术研发配方/ 上胶技术射频与微波线路板基材先进复合材料数字线路板基材航空构件生产民用航空用途 无线通讯 民用航空业用途 通讯 网路系统基础设备 高端计算机不断探讨未来的新技术和方向Nelcote Rev 8_10_07e Rev 公司成长过程公司成长过程成立于1954 1960年上市 1984年纽约股市上市(
3、PKE) 1962 年发明多层线路板材料 1969 年业务全球化 1986 年设立亚太区业务单位 1988 年收购FiberCote (现在Nelcote) 先进复合材料 1992 年收购Metclad (现在Nelco) 射频材料 2004 年三月庆祝50周年 2006 年第二季Nelco 珠海珠海厂完整设立 2008 年新加坡复合材料厂完整设立 2008 年收购Nova Composite Structures, 今称Park Aerospace Structures 成立于成立于1960年上市年上市年年纽约股市上市纽约股市上市年年发明多层线路板材料发明多层线路板材料年年业务全球化业务全球
4、化年设立亚太区业务单位年设立亚太区业务单位年收购年收购现在现在Nelcote) 先进复合材料先进复合材料年收购年收购现在现在Nelco射频材料射频材料年三月庆祝年三月庆祝周年周年年第二季年第二季珠海珠海厂完整设立珠海珠海厂完整设立年新加坡复合材料厂完整设立年新加坡复合材料厂完整设立年收购年收购Nova Composite Structures, 今称今称Nelcote Rev 8_10_07e Rev Global Operations全球化业务全球化业务Lannemezan, FRZhuhai, PRCSingapore (Gul Plant and Pioneer Plant)Newton
5、, KSFullerton, CATempe, AZWaterbury, CTMelville, NY (Parent Company Offices)Lynnwood, WANelcote Rev 8_10_07e Rev 全球全球Park工厂工厂Nelco CaliforniaFullerton, CANelco SingaporeNelco New YorkNewburgh, NYNeltec, Inc.Tempe, AZNeltec Europe FranceNeltec SAFranceNelco ZhuhaiChinaNelcote, Inc.Waterbury, CTNEW! P
6、ioneer Rd SingaporeNelcote Rev 8_10_07e Rev 配合新一代全自动化系统Nelco Products Pte LtdNelcote Rev 8_10_07e Rev What are Laminates and Prepregs? Nelcote Rev 8_10_07e Rev How to make a concrete column in building ?Wire meshCementConcreteNelcote Rev 8_10_07e Rev ConcreteReinforcement Steel frameBody/ filler Cem
7、ent LaminatesGlass cloth (FR4)Epoxy, BT, CE, Polyimide, PTFE resinSurface Paint / epoxy coat Copper foilNelcote Rev 8_10_07e Rev Nelcote Rev 8_10_07e Rev VARNISHGlass ClothUnwinders Splicer Accumulator VarnishpansOvens Rewinder Sheeter StackerPrepregin rollsPrepregin formatsMahloNorcrossViscosityreg
8、ulatorIMPREGNATIONProcessingACETONEAccum.Gap regulationNelcote Rev 8_10_07e Rev Copper foilCopper foilPrepregsHot press plateHot press platePressNelcote Rev 8_10_07e Rev LaminateNelcote Rev 8_10_07e Rev Prepregs are glass fabrics treated and coated with semi-cure resin.The resin melt, fill up gaps,
9、bond layers together when heated in the press.Thin Laminates are copper clad glass-resin laminates generally less than 1.0mm thick.No logo.Thin Laminates PrepregsNelcote Rev 8_10_07e Rev Multi-layer Printed Circuit Board manufacturing processNelcote Rev 8_10_07e Rev 原料上胶叠构压合解开裁料半固化片及覆铜板生产过程Nelcote R
10、ev 8_10_07e Rev Nelco 数字数字与与射频射频/微波材料微波材料Nelcote Rev 8_10_07e Rev 高级多层线路板材料高级多层线路板材料技术一览技术一览Nelcote Rev 8_10_07e Rev Inside multi-layer PCBs CopperNelcote Rev 8_10_07e Rev + +-Vacuum Dk = 1 Material Dk = 3Electric field density of in the material is 3 x of airMeaning of Dielectric Constant, Dk, or E
11、rNelcote Rev 8_10_07e Rev Increasing magnetic field B induced 01Signal current Opposite eddy current inducedInduced eddy currentNelcote Rev 8_10_07e Rev Decreasing magnetic field B induced Signal current 10Opposite eddy current inducedInduced eddy currentNelcote Rev 8_10_07e Rev Signal Propagation S
12、peed in Copper Clad LaminatesrckV=V: Signal propagation speedc:speed of light in vacuumk : constant: dielectric constantNelcote Rev 8_10_07e Rev Signal loss (Df)Signal lossSignalHigh FrequencyPropagation SpeedSignalTo solve the problem, material with low signal loss is required !PCB design roadmaps
13、- High speed signalNelcote Rev 8_10_07e Rev If Iin+loss= Iinthan is Iloss= 0and tan = 0 (best case)Current in (Iin )Currentin+loss(Iin+loss)Current loss (Iloss)tan Losses inside of Cu-linesNelcote Rev 8_10_07e Rev Skin effectAt high frequencies the transport of current is also inthe dielectric layer
14、 around the Cu-lines.good poorNelcote Rev 8_10_07e Rev Losses inside of Cu-linesdue to R; I; COthersSkin effect60%30%10%TAN Signal lossNelcote Rev 8_10_07e Rev CopperCopperDielectric(Glass fibre+resin)Capacitor-like structure between layers of coppersMain concern is IMPEDANCE (resistance to electric
15、 flux breakdown) must be maintainedIMPEDANCE is directly proportional to dielectric thicknessIMPEDANCE is INVERSELY proportional to dielectric constants (Dk)Material with low Dk can reduce thickness of dielectric while increasing impedance.Controlled impedance requires controlled thickness tolerance.PCB design roadmaps - High speed signalNelcote Rev 8_10_07e Rev
