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What is the PCB

Date:2012-11-29 12:39:53 Hits:186398

What is PCB?
    
<SPAN title=“PCB”这个名词很多人都听过,但是它到底是什么意思呢? j="" g="“PCB”这个名词很多人都听过,但是它到底是什么意思呢?" ? mean? that does what end the in is it but of, heard have people many term PCB?>"PCB" the term many people have heard of, but it is in the end what does that mean? Many people may not know. In fact, it is very simple, is a printed circuit board (Printed circuit board, or PCB). PCB almost can be found in all electronic products, such as various types of home appliances, electrical appliances, computers, fans, etc., just open the shell can be seen PCB is circuit board.
    
<SPAN title=“PCB”有什么作用呢? j="" g="“PCB”有什么作用呢?" ? what PCB? effect?>"PCB" what effect? PCB circuit boards are usually used to fix the electronic components and electrical connections on top of the various parts of each other, with the increasingly complex design of the appliance, the parts they need more and more the PCB top of the line parts more and more intensive. <SPAN title=裸板(上头没有零件)也常被称为 j="Bare board (top parts) is also often referred to as the " g="裸板(上头没有零件)也常被称为" ? Board(PWB)?。? Wiring 印刷线路板Printed (PWB). Board Printed board circuit printed>Bare board (top parts) is also often referred to as the "printed circuit board Printed Wiring Board (PWB). Substrate of the board itself is insulated, not easy to bend the material produced. The fine wiring material can be seen on the surface is a copper foil, the original copper foil is covered on the whole board, and part of the manufacturing process to be etched dispose left part into a mesh of fine lines . These lines are referred to as a wire (conductor pattern) or wiring, and used to provide a circuit connection of the parts on the PCB.
    
Usually PCB circuit board color is green or brown, which is the color of the solder mask (solder mask). Insulating protective layer can protect the copper, and can also prevent the parts are welded to the not the right place. Will be printed on the surface of a layer of screen printing (silk screen) in the solder mask layer. Usually in it will be printed on the text and symbols (mostly white), to mark the location of each of the components on the board. Screen printing surface is also called the icon plane (Legend).
    
The substrate of the PCB itself is insulated, not easy to bend the material produced. The fine wiring material can be seen on the surface is a copper foil, the original copper foil is covered on the whole board, and part of the manufacturing process to be etched dispose left part into a mesh of fine lines . These lines are referred to as a wire (conductor pattern) or wiring, and used to provide a circuit connection of the parts on the PCB. <SPAN title=目前常用的基板有“FR-4基板”、“铝基板”、“铜基板”、“高导热铝基板”等。 j="At present, the common substrate " g="目前常用的基板有“FR-4基板”、“铝基板”、“铜基板”、“高导热铝基板”等。" ? plate?. aluminum conductivity thermal ?high substrate?, ?copper plate?, ?aluminum board?, FR-4>At present, the common substrate "FR-4 board", "aluminum plate", "copper substrate", "high thermal conductivity aluminum plate". Intercontinental precision circuit production of aluminum plate, copper substrate, the high thermal conductivity of aluminum plate, FR-4 substrate in full compliance with ISO9001 standards, and passed ROHS environmental certification and SGS certification.
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