01-12 | Industry
Stencil is huge critical to PCB assembly process, which directly determines the uniformity and sufficiency of every single welding pad, and then the stability of PCB after SMT assembly and reflow oven soldering.
01-12 | Industry
PCBA clone is always called circuit board clone, PCB reverse design or development. It is an essential technology in the electronics factory, through which you can extract PCB files and BOM list. And perfectly rebuilding it.
01-12 | Industry
PCBs can be single-sided (one copper layer), double-sided (two copper layers on both sides of one substrate layer), or multi-layer (outer and inner layers of copper, alternating with layers of substrate).
01-12 | Industry
A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between
01-12 | Industry
Strict incoming material inspection control and management.Never change BOM indicated material brand without customer’s permission.Standard Operation Procedure.PCB will be baked in the oven machine in advance.
01-12 | Industry
The first step of PCB assembly is applying a solder paste to the board. In a professional PCBA line, a mechanical fixture holds the PCB and solder stencil in place. An applicator then places solder paste on the intended areas in precise amounts.
01-12 | Industry
Soldering provides reasonably permanent but reversible connections between copper pipes in plumbing systems as well as joints in sheet metal objects such as food cans, roof flashing, rain gutters and automobile radiators.
01-12 | Industry
For environmental reasons (and the introduction of regulations such as the European RoHS (Restriction of Hazardous Substances Directive)), lead-free solders are becoming more widely used. They are also suggested anywhere young children may come into
01-12 | Industry
Laminates are manufactured by curing under pressure and temperature layers of cloth or paper with thermoset resin to form an integral final piece of uniform thickness. The size can be up to 4 by 8 feet (1.2 by 2.4 m) in width and length.
01-12 | Industry
Copper thickness of PCBs can be specified directly or as the weight of copper per area (in ounce per square foot) which is easier to measure. One ounce per square foot is 1.344 mils or 34 micrometers thickness. Heavy copper is a layer exceeding three
01-12 | Industry
Thru-hole soldering provides stronger mechanical bonds than any other technique. Thru-hole soldering is the optimal technique for connectors, transformers, electrolytic capacitors, and other heftier circuit board components.
01-12 | Industry
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,
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