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    • 1. 发明授权
    • Metal core printed circuit board
    • 金属芯印刷电路板
    • US4679122A
    • 1987-07-07
    • US886751
    • 1986-07-11
    • Robert E. Belke, Jr.Raymond A. ShirkHsiu H. LinLouis Zakraysek
    • Robert E. Belke, Jr.Raymond A. ShirkHsiu H. LinLouis Zakraysek
    • H05K1/03H05K1/05H05K3/44H05K3/46
    • H05K1/056H05K1/0346H05K2201/0129H05K2201/0355H05K3/445H05K3/4644
    • A novel metal core printed circuit board and a method of making it are described. The circuit board comprises a metal substrate, a patternable metal foil, and an insulating layer of thermoplastic resin whose glass transition temperature is exceeded during assembly under pressure to bond the resin to the metal substrate and to the foil by high temperature wetting. The circuit board also provides holes whose interior is lined with a resin united fusing to the resin in the insulating layer by high temperature wetting accompanied by pressure. The thermoplastic resin is a polyetherimide engineering plastic. The layers of the printed circuit board described above, including any additional layers of insulating resin and foil, may be bonded in a single step in a laminating press. The finished circuit board may be a structural component of a chassis, has good heat conductivity, good high voltage performance, is practical for high frequency transmission paths, is tolerant of the high temperature necessary for soldering, and has a high continuous service temperature.
    • 描述了一种新颖的金属芯印刷电路板及其制造方法。 电路板包括金属基板,可图案化的金属箔和热塑性树脂的绝缘层,其在压力下组装时玻璃化转变温度被超过,以通过高温润湿将树脂粘合到金属基底和箔上。 电路板还提供孔,其内部衬有树脂,通过伴随压力的高温润湿将绝缘层中的树脂熔合在一起。 热塑性树脂是聚醚酰亚胺工程塑料。 上述印刷电路板的层,包括任何额外的绝缘树脂和箔层可以在层压压机中以单一步骤结合。 完成的电路板可以是底盘的结构部件,具有良好的导热性,良好的高电压性能,对于高频传输路径是实用的,耐受焊接所需的高温,并且具有高的连续工作温度。
    • 5. 发明授权
    • Fluid flow device having reduced fluid ingress
    • 具有减少的流体入口的流体流动装置
    • US06752015B2
    • 2004-06-22
    • US10253190
    • 2002-09-24
    • David J. ThompsonRobert E. Belke, Jr.Edward P. McLeskey
    • David J. ThompsonRobert E. Belke, Jr.Edward P. McLeskey
    • G01F168
    • F02D41/18F02D41/3005F02D2400/18G01F1/6845
    • The present invention involves a device for detecting a condition of a flowing fluid within a vehicle having reduced sulfur ingress. The device includes a base plate having a receiving surface and a circumferential edge and a printed circuit board disposed on the receiving surface of the base plate. The device further includes a housing having peripheral side walls attaching to the receiving surface adjacent the circumferential edge to define a peripheral interface enclosing the printed circuit board within the housing. The device further includes an adhesive material disposed at the interface to adhere the housing to the base plate. The adhesive material has a predetermined thermal expansion coefficient and a predetermined elastic modulus to reduce fluid ingress through the interface and to accommodate thermal expansions of the base plate and the housing.
    • 本发明涉及一种用于检测具有降低的硫进入的车辆内的流动流体的状况的装置。 该装置包括具有接收表面和周缘的基板和设置在基板的接收表面上的印刷电路板。 该装置还包括壳体,该壳体具有附接到邻近周缘的接收表面的外围侧壁,以限定围绕该外壳内的印刷电路板的周边接口。 该装置还包括设置在界面处以将壳体附接到基板的粘合材料。 粘合剂材料具有预定的热膨胀系数和预定的弹性模量,以减少通过界面的流体进入并适应底板和壳体的热膨胀。