In the current era of rapid technological development, electronic products have been deeply embedded in daily life, and circuit boards, as the “central nervous system” of electronic devices, contain diverse elements that silently support the operation of the entire electronic world. So what are the elements of a circuit board? Let the Jieduobang editor answer for you!
Copper can be called the “leading actress” on circuit boards. With excellent conductivity, copper foil is extensively laid on the surface and inner layers of circuit boards, becoming the carrier of precision circuits, allowing electrons to travel freely and accurately between various components, maintaining the normal operation of equipment. From the tiny motherboards of mobile phones to the complex multilayer boards of computers, copper is an indispensable link for signal and power transmission.
Tin also holds a crucial position. In the welding process, the solder paste melts when heated, firmly bonding the pins of electronic components to the copper foil of the circuit board. This alloy solder joint is not only stable, but also has good conductivity, like a solid “solder joint fortress”, not afraid of daily slight vibrations and temperature fluctuations, firmly locking the components and eliminating the hidden danger of poor contact.
Organic and inorganic elements such as epoxy resin and glass fiber work together in the substrate of the circuit board. Epoxy resin is like a flexible “skeleton”, giving the board a certain degree of toughness and resisting external impact; Fiberglass is like fine “steel bars”, strengthening the mechanical strength of the board, making the circuit board lightweight yet tough, able to stably carry numerous components, and adapt to complex installation and use environments.
Furthermore, there are small amounts of precious metal elements such as gold and palladium. Gold is often used for critical connectors and chip pin coating. Due to its highly stable chemical properties, it is resistant to oxidation and corrosion, and can ensure reliable contact even after years of erosion, safeguarding the “lifeline” of the circuit; Palladium assists chemical reactions in some special processes, improves process stability, and helps upgrade the quality of circuit boards.
The circuit board elements showcase their strengths and work closely together to form a powerful synergy. They witness the iteration of technology, from giant computers to smart wearables that can be held in the palm of the hand. In every inch, these elements interweave into a complex circuit network, outlining the magnificent blueprint of the electronic age and continuously laying a solid foundation for humanity to move towards a digital future.