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Electronics
Printed circuit board PCB is used to mechanically support and electrically connect electronic components using conductive pathways, tracks ethched from copper sheets laminated onto a non-conductive substrate.It is also known as printed wiring board (PWB) or etched wiring board
Chemistry and Environmental
PCB can stand for Poly-Chlorinated Biphenyls, which were used industrially as coolant fluids and plasticizers until they were identified as biologically toxic in the environment. (Almost all use is now banned.)
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What manufacturers make microwavs PCB's?
Some manufacturers that make microwave PCBs include Samsung, Sharp and Panasonic. Each brand has their own production facility that makes microwave PCBs for their consumer product line.
How do you perform a PCB test?
The PCB test is a crucial step before shipping any product. It can help to verify that the PCBs are in good shape and aren't damaged, which will prevent the customer from being disappointed in their purchase or having to deal with faulty products. If you have a PCB test that needs to be performed, it is important to understand what is being tested and why. In doing so, it will be easier to choose the right requirements for the test, as well as how to interpret the results. A PCB test may include a visual inspection of the board or component, an electrical function check based on a set of parameters, or a compliance test with standards solder.net/training-courses/inspection-of-pcbs
What is the SMD IC?
Surface-mount technology (SMT) is a method for constructing electronic circuits in which the components are mounted directly onto the surface of printed circuit boards (PCBs). An electronic device so made is called a surface-mount device (SMD). In the industry it has largely replaced the through-hole technology construction method of fitting components with wire leads into holes in the circuit board. Both technologies can be used on the same board for components not suited to surface mounting such as transformers and heat-sinked power semiconductors.
What is the material to make printed circuit board?
FR-4 glass-reinforced epoxy. In fact, FR-4 is the grade of the fiber.
When was first printed circuit board developed?
Related Photo: http://www.makingthemodernworld.org.uk/icons_of_invention/img/IM.1201_el.jpg This radio is the first working device to use a printed circuit board (PCB), the electronic technology invented by Paul Eisler. An Austrian refugee in London, Eisler made this radio in 1942, following on from initial experiments in 1936. At the time, it was usual to interconnect all components in electronic goods with hand-soldered wires, a method of manufacture which did not lend itself to any high degree of automation. First applied in proximity fuses for anti-aircraft missiles, PCBs have subsequently found near universal application in electronic goods, yielding highly miniaturised devices which can be mass produced.
