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What is The Specialized Terminology in PCB?

Time : 2023-12-27 Hits : 2

There are many specialized terms used in PCB (Printed Circuit Board) design. Here are some common PCB terms:

Layer: Refers to the number of structural layers of the circuit board, including single-layer boards, double-layer boards and multilayer boards.

Copper Skin: Refers to the exposed copper foil on the circuit board, used for conducting electricity and transmitting signals.

Solder Resist Film: Refers to the circuit board covered with a coating to prevent the solder from dispersing during soldering.

Pad: Refers to the component pins soldered to the circuit board parts, generally composed of copper.

Via: A hole in a circuit board that conducts a circuit between different layers.

Silkscreen: Printed on the circuit board for the identification of components, text and graphics, such as ink.

Pitch: The distance between two neighboring component pins.

Line Width: The width of the wires on the circuit board.

Hole Size: The diameter of the hole.

Surface Finish: The coating or plating on the surface of the circuit board, such as gold plating, silver plating.

3D Printed PCB: A method of making PCBs using 3D printing technology.

Rigid-Flex PCB: PCB that is both rigid and flexible, made by combining a rigid board and a flexible board through a certain process.

Electromagnetic Shielding: A method of reducing electromagnetic interference by shielding the board from electromagnetic fields through the use of conductive materials.

Thermal Design: This refers to the thermal design of the circuit board to ensure that the circuit board can effectively dissipate heat and prevent overheating during operation.

Reliability Testing: Refers to the circuit board for a variety of reliability tests, such as temperature cycling test, humidity test, etc., in order to assess its reliability and stability.

Repair: Refers to the faulty circuit board to repair or replace components to restore its normal working condition.

Soldermask: A protective coating that covers a printed circuit board to prevent solder from touching areas that do not need to be soldered during the soldering process.

Solder Resist: A special coating used to prevent the flow of solder in areas where soldering is not required.

PCB-8

Coating Protection: A protective coating applied to the surface of a circuit board to enhance the board's corrosion and abrasion resistance.

Edge Connector: A connector that is mounted on the edge of a circuit board to make connections to other boards or devices.

Blind Via: A type of via that has holes only on one side of the board and not on the other.

Buried Via: A type of via that connects two surfaces on the inside of a circuit board and is not exposed on either side.

Plug: A connector used to attach electronic components to a circuit board.

Socket: A connector that is used to insert a connector on a circuit board to facilitate connection to other devices or circuit boards.

Connector: A component used to make connections between circuit boards or between circuit boards and other devices.

Press-fit Terminal:A connection that does not require soldering, and is made by pressing wires directly into the board's vias.

Solder Column:A raised metal column used to connect wires and component pins on a circuit board.

Surface-mount Device (SMD):A component that can be mounted directly on the surface of a circuit board without soldering.

Ball Grid Array: A surface mount component package form, component pins in the form of a ball distributed on the bottom of the circuit board.

Flip Chip: A surface mount technology where the pins of the chip are soldered directly to the surface of the circuit board without the need for solder connections.

Multilayer High-densityPCB: A multilayer structure of PCBs with high-density wiring and component packaging.

PCB Design Software: Software tools used to design and simulate PCBs, such as Altium Designer, Cadence, Eagle, etc..

PCB Board: Refers to the design of the PCB map into the actual circuit board process.

PCB Manufacturing: Refers to the entire production process from raw materials to the final product, including PCB design, board manufacturing, assembly and other aspects.

PCB Reliability Analysis: Refers to the PCB in different environmental conditions, performance and reliability assessment and analysis of the process.

PCB Maintenance and Repair:Refers to the PCB has been used for maintenance and repair, so that it maintains the normal working condition of the process.


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