Engineering / Embedded Programming

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Here at fourobot, Embedded Programming service refers to entire design, selection, schematics, full feature printed circuit board(PCB) design & manufacturing, PCB assembly, and embedded programming service. With 8+ years' experience in embedded programming service, we have handled hundreds of thousands projects, and with PCB covered almost all kinds of substrate materials including FR4, Aluminum, Rogers, etc. We are capable of fabricating standard PCB, PCB prototype, Aluminum PCB, LED PCB, HDI PCB, Flexible PCB, Flex-rigid PCB, High-frequency PCB, Thick copper PCB, High-Tg PCB, Halogen-free PCB, laser stencil, and of Low volume assembly, high volume assembly, consigned PCB assembly, turnkey PCB assembly, and component sourcing.
The layer count of PCB (Printed Circuit Board) determines its manufacturing technology difficulty and PCB manufacturing cost. PCB boards can be briefly classified into two categories: single-layer (single-sided) PCB and double-layer (double-sided) PCB. When it comes to high-end electronic products, a couple of signal layers can be added to the inside of PCB apart from surface routing due to some limitations in terms of board real estate and board design. During the manufacturing procedure, after routing for each layer has been finished with positioning and lamination completed, multiple layers of signals will be pressed into a single board that is called multilayer PCB. Therefore, a multilayer PCB refers to any piece of circuit board containing more than two layers of signals. Multilayer PCBs can be multilayer rigid PCB, multilayer flex PCB and flex-rigid multilayer PCB.
Due to the increasing use of IC (Integrated Circuit) package, interconnection lines become so dense that multi-substrate boards become necessary. In addition, some design problems, like noise, stray capacitance, crosstalk etc., are so protruding that should be solved through multilayer resolution. As a result, PCB design has to make sure that signal lines should be minimized and parallel circuits should be avoided, which is apparently difficult to be obtained in either single-sided or double-sided design. Therefore, multilayer PCBs come into being for the acquisition of perfect performance of circuits.
The original aim of multilayer PCB is to provide more freedom in terms of routing for circuits that are complex and/or sensitive to noise. There are at least three layers in a multilayer PCB and two layers are external with the left layer(s) synthesized inside insulating plate. The electrical connection in a multilayer PCB derives from plated through hole on the cross section of circuit board.
fourobot R&D team develop and customize all type of embedded programming works.

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