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There are two different methods by which the components on a printed circuit board are electrically connected to the circuits. One is the older “through hole technology” and the other is the newer “surface mount technology.” With through hole technology, each component has thin wires, or leads, which are pushed through small holes in the substrate and soldered to connection pads in the circuits on the opposite side. Until they are soldered the components are kept in place by the gravity and friction between the leads and the sides of the holes. With surface mount technology, stubby J-shaped or L-shaped legs on each component contact the printed circuits directly. At the point of contact a solder paste consisting of glue, flux, and solder are applied in order to hold the components in place until the solder is melted, or “reflowed,” in an oven to make the final connection.  Surface mount technology eliminates the time-consuming drilling process and the space-consuming connection pads inherent with through hole technology although it requires greater care in the placement of the components. Today both technologies are used. Two other types of circuit assemblies are related to the printed circuit board. An integrated circuit, sometimes called an IC or microchip, performs similar functions to a printed circuit board. But it is usually pointed out by experts who provide pcb design services that the IC contains many more circuits and components that are electrochemically “grown” in place on the surface of a very small chip of silicon.

Thinking about replacing your old equipment with the new version? Why not think of a method that is less costly? Avail the services of the new product, from your old equipment itself. Redesign its PCB! PCBs (Printed Circuit Board) are one of the main components in an electronic product, which bind its components mechanically and provide them electrical connection. Slight variations in the PCB layout of the product can cause considerable changes in the working of the concerned equipment. Minute errors in the PCB design will affect your product and its working adversely. Similarly, a tactful designer can bring in infinitesimal variations in the PCB design, and improve the efficiency of the product to a considerable extent.
Redesigning PCBs can thus help in upgrading your product. PCB redesign has been useful for the pcb design services  too. The increase in demand for PCB redesign services gives considerable monetary gain to the PCB design service providers. Hence, numerous opportunities have arose for efficient PCB designers to explore the field. A PCB redesign can upgrade your existing product so that it performs advanced functions as the new product. Moreover, you need not spend large amounts over purchase of new product, each time the manufacturer introduces the novel version.
Printed Circuit Boards are present as the main component in many of your electronic gadget. Upgradation of these through PCB redesigning is possible. The equipments include your cell phone, digital diaries, calculators and other such ones that you use daily.

   

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AmrRao Permalink: http://www.articlevoid.com/?action=permalink&article=52080
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About me: I am a postgraduate in Engineering, has done extensive research in the areas of Business Industry.
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Comment (1)

  • Edmund
    Edmund (May 18, 2014 at 3:55 am)

    Thanks for finally talking about >Through hole technology and surface mount technology <Liked it!

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