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This paper presents systematic studies of electrical, noise and long-term stability parameters of resistors (thin-film or polymer thick-film) and capacitors embedded in Printed Circuit Boards (PCBs). The temperature dependence of resistance or capacitance were determined in a wide temperature range (from −180°C to 130°C) and analyzed as a function of geometry of passives and cladding process. The...
The passives (resistors, capacitors, inductors) embedded in printed circuit boards (PCBs) can improve electrical properties and reliability of electronic systems. Pulse durability is an important parameter of passive components and active devices. In the case of resistors it allows to determine many properties including maximum power dissipation, resistance change or phenomena occurring in resistor...
This paper presents principle of manufacturing process of thin-film resistors embedded in printed circuit boards (PCB) as well as their chosen electrical and stability properties. Test structures were fabricated on FR-4 laminate with Ohmega-Ply® technique basing on nickel-phosphorus alloy (NiP). The thickness of resistive foil was 0.4 µm and 0.1 µm with sheet resistance 25 Ω/sq. and 100 Ω/sq., respectively...
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