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Chemical etching is usually done with ammonium persulfate or ferric chloride. For PTH (plated-through holes), additional steps of electroless deposition are done after the holes are drilled, then copper is electroplated to build up the thickness,
01-12 | Industry
A legend is often printed on one or both sides of the PCB. It contains the component designators, switch settings, test points and other indications helpful in assembling, testing, servicing, and sometimes using the circuit board.
01-12 | Industry
It is not easy to remove SMT chip components within one minute of SMT. You need to practice constantly to gain more experience so that you can quickly and easily remove components without causing damage.
01-12 | Industry
The European Union bans the use of lead (among other heavy metals) in consumer items, a piece of legislature called the RoHS, for Restriction of Hazardous Substances, directive. PCBs to be sold in the EU must be RoHS-compliant,
01-12 | Industry
FR-2, phenolic paper or phenolic cotton paper, paper impregnated with a phenol formaldehyde resin. Common in consumer electronics with single-sided boards. Electrical properties inferior to FR-4. Poor arc resistance. Generally rated to 105 °C.
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We produce PCBs for our customers working in frequency ranges from LED products to communication equipment and in industries as diverse as medical devices through to automotive, aerospace and Bluetooth
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A ball grid array (BGA) is a type of surface-mount packaging used for integrated circuits. BGA packages are used to permanently mount devices such as microprocessors. A BGA can provide more interconnection pins than can be put on a dual in-line or
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What is the step to manufacture a pcb?Process to produce a qualified pcb.a.PCB CAM; b.Panelization; c.Copper patterning; d.Subtractive, additive and semi-additive processes; e.Chemical etching; f.Lamination; g.Drilling; h.Plating and coating
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Before the development of printed circuit boards electrical and electronic circuits were wired point-to-point on a chassis. Typically, the chassis was a sheet metal frame or pan, sometimes with a wooden bottom. Components were attached to the chassis
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Single-Sided Circuit Boards: These boards when made with a FR4 base have rigid laminate of woven glass epoxy material, which is then covered on one side with a copper coating that is applied in varying thicknesses depending on the application.
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After-sales Service: Kingshengpcba company provide free of charge repairing for sold PCBAs within 5 years. For major problems from our side, we provide a free replacement within 3 years.
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Printed circuit board assembly (PCBA) is one of our core services Kingsheng PCBA. We understand that the printed circuit board is at the heart of every product and we strive to ensure the most thorough manufacturing and testing processes are in