PCB according to the board application to classify single panel, double panel, multilayer PCB; According to the material, there are flexible PCB board (flexible board), rigid PCB board, rigidity-flexible PCB board (rigid flexible board), etc. Printed Circuit Board (PCB), also known as Printed Circuit Board, is an important electronic component, is the support body of electronic components, is the supplier of electronic components electrical connection, because it is made by electronic printing technology, so it is also called Printed Circuit Board. I-PCB imane iyipuleti elincanyana eliqukethe amasekhethi ahlanganisiwe nezinye izinto zikagesi.

I. Classification according to the number of circuit layers

Divided into single panel, double panel and multi-layer board. I ezivamile multilayer ibhodi ngokuvamile 3-6 izingqimba, futhi eziyinkimbinkimbi multilayer ibhodi angafinyelela izingqimba ezingaphezu kuka-10.

(1) Single panel

Kwibhodi lesifunda eliphrintiwe eliyisisekelo, izingxenye zigxile kolunye uhlangothi nezintambo zigxilwe kolunye. Ngoba ucingo luvela ohlangothini olulodwa kuphela, ibhodi lesifunda eliphrintiwe libizwa ngephaneli elilodwa. Amasekethe okuqala abesebenzisa lolu hlobo lwebhodi lesifunda ngoba bekukhona imikhawulo eminingi eqinile ekwakhiweni kwesekethe lephaneli elilodwa (ngoba bekunohlangothi olulodwa kuphela, izintambo bezingakwazi ukuwela futhi bekufanele zihanjiswe ngendlela ehlukile).

PCB what are the classification of printed circuit boards

(2) Double panels

Ibhodi lesifunda linezintambo ezinhlangothini zombili. Ukuze izintambo ezinhlangothini zombili zikwazi ukuxhumana, kufanele kube khona ukuxhumana kwesifunda okufanele phakathi kwezinhlangothi zombili, okubizwa ngokuthi umgodi wokuqondisa. Izimbobo zomhlahlandlela izimbobo ezincane ebhodini lesifunda eliphrintiwe, eligcwalisiwe noma elifakwe insimbi, elingaxhunywa ezintanjeni ezinhlangothini zombili. Amapaneli aphindwe kabili angasetshenziswa kumasekethe ayinkimbinkimbi kakhulu kunamaphaneli angashadile ngoba indawo iphindwe kabili futhi izintambo zingashintshaniswa (zingalimala ngakolunye uhlangothi).

PCB what are the classification of printed circuit boards

(3) Multilayer board

In order to increase the area that can be wired, multi-layer boards use more single or double-sided wiring boards. Multilayer boards use a number of double panels, and put an insulating layer between each layer of the board after bonding. The number of layers on a board represents a number of independent wiring layers, usually an even number of layers, and contains the outermost two layers.

PCB what are the classification of printed circuit boards

Two, according to the type of substrate

Flexible circuit boards, rigid circuit boards and rigid-flexible bonded boards.

(1) Flexible PCB board (flexible board)

Flexible boards are printed circuit boards made from flexible substrates, which have the advantage of being bent to facilitate assembly of electrical components. FPC has been widely used in aerospace, military, mobile communications, portable computers, computer peripherals, PDA, digital cameras and other fields or products.

PCB what are the classification of printed circuit boards

(2) Rigid PCB board

It is made of paper base (usually used for single side) or glass cloth base (often used for double-sided and multi-layer), pre-impregnated phenolic or epoxy resin, one or both sides of the surface glued with copper foil and then laminated curing. This kind of PCB copper-clad foil board, we call it rigid board. Then made into PCB, we call it rigid PCB rigid board is not easy to bend, has a certain strength and toughness of the rigid base material made of printed circuit board, its advantage is that it can be attached to the electronic components to provide a certain support.

PCB what are the classification of printed circuit boards

(3) Rigid-flexible PCB board (rigid-flexible PCB board)

Rigid-flexible bonded board refers to a printed circuit board containing one or more rigid and flexible areas, composed of rigid boards and flexible boards laminated together. The advantage of rigid-flexible composite plate is that it can not only provide the support of rigid printing plate, but also has the bending characteristics of flexible plate, which can meet the needs of three-dimensional assembly.