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    • 3. 发明授权
    • Epoxy washer for retention of inverted SMT components
    • 用于保留反向SMT组件的环氧树脂垫圈
    • US06791189B2
    • 2004-09-14
    • US10313238
    • 2002-12-05
    • Tom E. PearsonChristopher D. CombsArjang FartashRaiyomand Aspandiar
    • Tom E. PearsonChristopher D. CombsArjang FartashRaiyomand Aspandiar
    • H01L2348
    • H05K3/305H01L2924/15151H05K3/3415H05K2201/09072H05K2201/10568H05K2201/10734H05K2203/1105Y02P70/613Y10T29/4913Y10T29/49144Y10T29/49149
    • An apparatus to retain an assembled component on one side of a double-sided printed circuit board during reflow of other components subsequently positioned onto an opposite side of the double-sided printed circuit board and methods for manufacturing and using the same. Being formed from an epoxy material, the retainer is configured to be coupled with a component, which is then positioned onto a printed circuit board. During a subsequent solder reflow stage, an ambient temperature surrounding the printed circuit board increases, and the epoxy material is configured to enter a semi-liquid state, flowing onto, and adhering with, the printed circuit board. Upon reaching a typical solder reflow temperature, the liquefied epoxy material is configured to cure or harden, adhesively coupling the component with the printed circuit board. Thereby, the component is inhibited from separating from the printed circuit board when the printed circuit board is subsequently inverted, populated, and reflowed.
    • 一种在随后位于双面印刷电路板的相对侧上的其它部件的回流焊接及其制造和使用双面印刷电路板的相对侧的其它部件的回焊期间将组装部件保持在双面印刷电路板的一侧上的装置。 由环氧树脂材料形成,保持器被构造成与部件联接,然后将其定位在印刷电路板上。 在随后的回流焊步骤期间,印刷电路板周围的环境温度升高,并且环氧树脂材料被配置为进入半液态,流到印刷电路板上并与印刷电路板粘附。 在达到典型的回流焊温度时,液化环氧树脂材料被配置成固化或硬化,将组件与印刷电路板粘合地连接。 因此,当印刷电路板随后被倒置,填充和回流时,该部件被禁止与印刷电路板分离。
    • 6. 发明授权
    • Printed circuit board with embedded thermocouple junctions
    • 带嵌入式热电偶接头的印刷电路板
    • US06472612B2
    • 2002-10-29
    • US09822989
    • 2001-03-30
    • Arjang FartashRaiyomand AspandiarTom E. PearsonChristopher D. Combs
    • Arjang FartashRaiyomand AspandiarTom E. PearsonChristopher D. Combs
    • H05K116
    • G01K7/04H05K1/0201H05K2201/10151
    • A first strip and a second strip of metal are embedded on a first layer of a printed circuit board (PCB) to form a junction. The junction has a first strip tail and a second strip tail. The first strip and the second strip are made of different metals. A first trace and a second trace are fabricated on a second layer to extend the junction to a first trace pad and a second trace pad, respectively. The first and second traces are fabricated on a second layer. The first and second traces have a first end one and a second end one, respectively. The first end one is connected to the first strip using a first via and the second end one is connected to the second strip using a second via. A first wire is inserted to the first via and a second wire to the second via to measure the temperature of the PCB.
    • 第一条带和第二条金属条被嵌入在印刷电路板(PCB)的第一层上以形成结。 连接处具有第一条带尾部和第二条带尾部。 第一条带和第二条带由不同的金属制成。 在第二层上制造第一迹线和第二迹线,以将结点分别延伸到第一迹线焊盘和第二迹线焊盘。 第一和第二迹线被制造在第二层上。 第一和第二迹线分别具有第一端和第二端。 第一端部使用第一通孔连接到第一条带,并且第二端部使用第二通孔连接到第二条带。 将第一导线插入到第一通孔中,将第二导线插入第二通孔以测量PCB的温度。