第10页_domestic pcb manufacturer_Shenzhen Chengchi Circuit Technology Co., Ltd.

Lead-Free PCBs

Lead-Free PCBs are printed circuit boards manufactured without lead-based materials, designed to comply with global environmental regulations and reduce the health and environmental risks associated with lead exposure. Lead, a toxic heavy metal, was historically used in PCB manufacturing—most notabl

Aug 20, 2025 1

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Ultra-Fine Line PCBs

Ultra-Fine Line (UFL) PCBs are printed circuit boards with trace widths and spacing below 50 micrometers (μm), with advanced variants featuring traces as narrow as 10 μm. These PCBs address the demand for miniaturization in electronics—enabling the integration of thousands of components (e.g., micro

Aug 19, 2025 1

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High-Density Interconnect (HDI) PCBs

High-Density Interconnect (HDI) PCBs are advanced printed circuit boards designed to maximize routing density, enabling the integration of more components (e.g., ICs, sensors, memory chips) in smaller footprints. HDI PCBs are defined by features such as microvias (diameter <150 μm), blind/buried via

Aug 19, 2025 1

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High-Precision PCBs

High-Precision PCBs are printed circuit boards manufactured to extremely tight dimensional tolerances and strict performance standards, designed for applications where even minor deviations can cause system failure. These PCBs are critical in industries such as aerospace, defense, medical devices, a

Aug 19, 2025 1

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PCB Silver Spraying Process

The PCB silver spraying process, is a surface finishing technique that deposits a thin layer of silver onto the copper pads of a printed circuit board to enhance conductivity, solderability, and corrosion resistance. This process is valued for its high performance in applications requiring superior

Aug 16, 2025 1

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PCB Nickel Spraying Process

The PCB nickel spraying process, is a surface finishing method that deposits a layer of nickel onto the copper pads of a printed circuit board to provide a durable, corrosion-resistant barrier. This process is often used as a base layer for other finishes (such as gold) or as a standalone coating in

Aug 16, 2025 1

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PCB Tin-Lead Alloy Spraying Process

The PCB tin-lead alloy spraying process, is a traditional surface finishing technique that applies a layer of tin-lead solder to the copper pads of a printed circuit board. Historically popular for its excellent solderability and cost-effectiveness, this process uses a eutectic alloy of 63% tin and

Aug 16, 2025 1

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PCB Pad Treatment

PCB pad treatment refers to the processes applied to the copper pads on printed circuit boards to prepare them for soldering, ensure strong mechanical and electrical bonds with components, and protect against oxidation. The pads are critical connection points where components (such as resistors, cap

Aug 15, 2025 1

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PCB Impedance Design

PCB impedance design is a specialized aspect of circuit layout that focuses on controlling the characteristic impedance of conductive traces to ensure signal integrity, particularly in high-speed or high-frequency electronic systems. Impedance is the opposition a circuit presents to the flow of alte

Aug 15, 2025 1

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PCB Circuit Design

PCB circuit design is a critical phase in the development of electronic devices, involving the layout of conductive pathways (traces), components, and connections on a printed circuit board to ensure efficient electrical performance, manufacturability, and reliability. This process transforms a sche

Aug 15, 2025 1

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PCB SMT (Surface Mount Technology) Process

The PCB SMT (Surface Mount Technology) process is a method of assembling electronic components directly onto the surface of a printed circuit board (PCB), as opposed to through-hole technology, which involves inserting leads into drilled holes. This technique has become the standard for modern elect

Aug 14, 2025 1

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PCB Wave Soldering Process

PCB wave soldering is a bulk soldering technique used to solder through-hole components onto printed circuit boards (PCBs) by passing the board over a molten wave of solder. This process is widely used in electronics manufacturing for its ability to solder multiple components simultaneously, making

Aug 14, 2025 1

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PCB Reflow Soldering Process

PCB reflow soldering is a key step in surface mount technology (SMT) assembly, where solder paste applied to PCB pads is melted (reflowed) to form permanent electrical and mechanical bonds between surface mount components and the board. This process relies on precise temperature control to transform

Aug 14, 2025 1

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PCB Electrical Testing

PCB electrical testing is a crucial step in the manufacturing and quality assurance of printed circuit boards (PCBs), focusing on verifying the integrity of the board’s electrical connections and ensuring that it functions as designed. This type of testing detects issues such as short circuits, open

Aug 13, 2025 1

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PCB Lamination Adhesive Usage

PCB lamination adhesive is a critical material used in the manufacturing of multi-layer printed circuit boards (PCBs), where it bonds together multiple layers of copper-clad laminates (CCLs) during the lamination process. This adhesive ensures that the layers remain securely bonded under various ope

Aug 13, 2025 1