China Factory Seller Sata To Usb For Washing Machine Placa Pcb Pcba Fabricante

1. Q: how long have you been in related industries?A: it has been 13 years since we entered the PCBA industry in 2008.

2. Q: what do PCBA design documents contain?Answer: PCBA design documents generally include: PCB document, Gerber document, PDF location number drawing, electronic controlled BOM document, PCBA template and other special process requirements and remarks.

3. Q: what is the production process of PCB?A: the manufacturing process of double-sided PCB mainly includes: blanking, drilling, hole metallization, pattern transfer, circuit electroplating, film removal, etching, lead / tin removal, solder resist ink, character, shape (punching / milling), test inspection, vacuum packaging, etc.

4. Q: what is the difference between PCB, PCBA and FPC?A: PCB is bare board without any components. PCBA is the PCB through SMT or plug-in processing, welding assembly on the PCB board required electronic components, such as IC, resistor, capacitor, crystal oscillator, transformer and other electronic components, after reflow oven high temperature heating, will form the mechanical connection between components and PCB board, thus forming PCBA. FPC generally uses Pi as base material, which is flexible and can be bent and flexed at will

5.Q: what are your common PCB boards? Is it an environmentally friendly process?A: we usually use FR4 plate, which is lead-free and environmentally friendly. The commonly used brands are Shengyi, Lianmao, Jiantao, international and DuPont. We can all use these brands, and we can also decide the materials of the plate according to the needs of customers.