PCB Fabrication

2-layer impedance Flex PCB

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**Product Details**
FLEX PCB is the abbreviation for Flexible Printed Circuit Board, also known as flexible circuit board or soft board. It is a type of circuit board made from flexible substrates such as polyimide film, featuring characteristics like flexibility, light weight, foldability, heat resistance, and corrosion resistance. With the continuous development of technology, electronic products are becoming lighter, thinner, more flexible, and more powerful. Behind this transformation, Flex

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10-layer HDI second order PCB

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Product Details
The 10-layer HDI second-order PCB circuit board is developed and manufactured by QinLv International Co., Ltd. as part of its high-multilayer HDI series. This circuit board uses the EM285 high-quality material, with a line width and pitch of just 0.006/0.063mm, produced through laser drilling, surface gold plating, and other advanced processes.
The main technical features and challenges of this 10-layer HDI second-order PCB circuit board are its high-layer count and complexity,

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28-layer high-speed Panasonic M7 back-drill PCB

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Product Details
The 28-layer high-speed PCB, made with Panasonic M7 material and employing back drilling technology, is a complex and highly technical high-end printed circuit board product developed and produced by QinLv International. It is suitable for electronic devices with extremely strict requirements, such as communication infrastructure, medical equipment, aerospace, and defense electronic systems.
Back drilling refers to the process of drilling holes from the back side of the PCB dur

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14-layer through-hole PCB

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Product Details
The 14-layer through-hole high-speed material PCB is a multi-layer printed circuit board composed of 14 different circuit layers, designed to meet the signal transmission requirements in high-speed electronic devices. Through-hole via technology is widely used in this PCB to provide electrical connections between different layers. Through-holes are created by drilling holes in the PCB’s insulation layers and filling them with conductive materials like copper.
High-speed materia

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10-layer through-hole automotive PCB

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Product Details
QinLv International Co., Ltd. is a professional PCB manufacturer with the capability to produce 10-layer through-hole PCBs, including those with special requirements for automotive electronics. We understand the strict demands for reliability and environmental adaptability in automotive electronic systems and are committed to providing high-quality automotive board products.
When producing 10-layer through-hole PCBs for automotive applications, QinLv International considers the

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