| Message: | PCB board SpecificationsPcb thickness:3.0mmLayer account:16-LSurface finished:immersion gold;Line width&space3/3milsFinished copper:1ozSolder mask:green;BGA+impedance control+blind and bury via hole;Material:FR4/aluminum/CU/rogers/polyimide/hi-tg FR4/Teflon/PTFE etc.Certificates:CQC,ISO.TS16949,SGS,ISO9001,UL,ISO.14001,ROHSDelivery time:sample 3-5days,mass production:8-14days;Package details:vacuum pcb,inside bubble all inside,cartoon,ties outside strengthening;16 layer pcb circuit boards structureTop silkscreen/LegendTop Surface finishingTop Soldermask (overlay)Top TraceSubstrate/Core materialPrereg (PP)Middle Layers(Inner1.2.3.4.5.6.7.8.9.10.11.12.13.14)Prepreg (PP)Bottom trace (if any)Bottom soldermask (overlay)Bottom surface finishingBottom silkscreen/legendmultilayer printed circuit boards advantageAdvantages: high density, small volume, light quality because of high density, the attachment between the parts (including the components) is reduced, thereby improving reliability;Can increase the wiring layer, thus increases the design flexibility;Can form a certain impedance circuit;Can form high speed transmission circuit;Can be set up circuit, the magnetic shielding layer, still can set metal core cooling layer in order to satisfy special functions such as shielding, heat dissipation;Simple installation, high reliability.Disadvantages: high cost;Cycle is long;Need high reliability testing means.Multilayer printed circuit is to high speed, multi-functional electronic technology, large capacity, small volume product of direction.With the continuous development of electronic technology, especially the mass and the extensive application of very large scale integrated circuit, multilayer printed circuit is fast development to the direction of high density, high precision, high count and t appear fine lines, small aperture through hole, blind hole buried, high thickness ratio of aperture technology to meet the needs of the market.KDPCB Advantages1--never set any moq for every pcb......url:http://www.kd-pcb.com |
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