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Power Supply

2018-09-10

The AC-DC power supply can convert alternating current (AC) into direct current (DC) for general electrical appliances, and the voltage available after conversion is usually low. Therefore, although the name is the “power supply”, in fact, the device itse

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Transformer

2018-09-06

Transformers vary in size from small acoustic impedance matching parts in audio equipment such as microphones to state-of-the-art power companies that weigh several tons of super monsters. Basically, as long as the required voltage is different from the v

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SMT Reflow Oven with Nitrogen

2018-09-06

The main usage of SMT reflow oven plus nitrogen (N2) in the PCBA processing is that to reduce the oxidation of the soldering surface and improve the wettability of the solder. As nitrogen is a kind of inert gas, it is not easy to produce compounds with me

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PTF (Polymer Thick Film)

2018-08-23

PTF (polymer thick film) should also be considered as a kind of flexible circuit board (Flex Cable), which uses a screen printing technique to print a conductive layer on PET. The circuit is formed on the substrate, and some more elaborately, a layer of i

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Copper Base and Nickel Base PCB

2018-08-23

Some friends who care about Shenzhen Grande should often hear Shenzhen Grande talks about the "copper" base and the "nickel" base circuit board and its advantages and disadvantages, but Shenzhen Grande believes that there are still man

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Tools to Shorten PCB Design Cycle Time

2018-08-22

In the face of constant pressure from customers and competitors, PCB designers must make products in a timely manner. In an environment where pace is so fast, product planning and implementation are extremely important, and implementation problems must be

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Five Problems From Manual to Mechanical PCB Assembly

2018-08-22

In the past, it was not difficult to find a surface mount or through-hole wafer. However, about a decade ago, manufacturers gradually stopped making wafers for through-hole technology. Many times, the latest products are available in small QFN (quadruple

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PCB Design: Why is the Fiducial Mask Important?

2018-08-22

If you work in the banking and finance industry, you must have heard of fiduciary responsibility. However, there are not many people who have switched from financial industry to electronic engineering. Therefore, in the field of PCBA technology manufactur

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The IMC Layer

2018-08-20

Generally speaking, a good PCBA solder is formed, and the most vulnerable part of the solder bonding force is the IMC (Inter-Metallic Compound) layer. The IMC layer is a metal compound, and the IMC is more indispensable for good soldering. Shenzhen Grande

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Eight Things Need to Consider Before Mass-Producing PCB

2018-08-20

The production process is actually putting a bunch of components on the board. It sounds very simple, but there are still many intermediate variables. Through some confirmation processes, the error rate can be reduced a lot!

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