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Where is the circuit board located in a car?

1 Answers

OAmy

07/30/25 6:15am

Circuit boards refer to the computers in modern vehicles. Contemporary cars contain numerous computers, ranging from as few as 3-4 to as many as 4510, installed in various parts of the vehicle body. Below is relevant information about circuit boards: 1. Circuit Boards Circuit boards are also known by various names: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, printed wiring boards, PCB boards, aluminum substrate boards, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin printed wiring boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards enable circuit miniaturization and visualization, playing a crucial role in the mass production of fixed circuits and the optimization of electrical appliance layouts. 2. Classification Printed wiring boards are categorized by the number of layers into three main types: single-sided boards, double-sided boards, and multi-layer boards. First, single-sided boards: on the most basic PCBs, components are concentrated on one side, while the wiring is on the other side. Since the wiring appears only on one side, these PCBs are called single-sided boards. Single-sided boards are usually simple to manufacture and low-cost, but their drawback is that they cannot be used for overly complex products. Double-sided boards are an extension of single-sided boards. When single-layer wiring cannot meet the needs of electronic products, double-sided boards are used. Both sides have copper cladding and wiring, and vias can be used to connect the circuits between the two layers, forming the required network connections. Multi-layer boards are printed boards with three or more conductive graphic layers separated by insulating materials and laminated together, with the conductive graphics interconnected as required. Multi-layer printed wiring boards are the result of the development of electronic information technology towards high speed, multifunction, large capacity, small size, thinness, and lightweight. Printed wiring boards can also be classified by characteristics into flexible boards (FPC), rigid boards (PCB), and rigid-flex boards (FPCB).

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