For the switch-mode converters, the excellent printed circuit board (PCB) layout is critical to achieving optimal system performance. If the PCB design properly, it may cause the following consequence...
PCBWay
Jan 22,2014
976 views
Single-point ground Is the single-point ground system, only one physical reference point is defined as a ground point , each of the other points to be grounded is connected to this point . Single-po...
PCBWay
Jan 22,2014
868 views
A printed circuit board (pcb) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-cond...
Karen Lin
Jan 21,2014
13136 views
2000 China's PCB production value of $ 3.635 billion , accounting for 8.7 % of global PCB output value , ranking fourth in the world . In China 's PCB output value , accounting for 83.5 percent of Gua...
PCBWay
Jan 21,2014
6910 views
A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-cond...
Karen Lin
Jan 21,2014
4376 views
Brief introduction PCB substrate is the substrate material used. The substrate has a great influence on the finished PCB withstand voltage, insulation resistance, dielectric constant, dielectric los...
PCBWay
Jan 21,2014
10806 views
Printed circuit boards inside electronic devices use a small amount of gold on key connections because of its conductivity and other properties. While many circuit boards are simply discarded, some co...
Karen Lin
Jan 21,2014
6839 views
According to the U.S. Geological Survey, obsolete computers contain considerable amounts of recoverable materials, including gold from their printed circuit boards. In fact, one ton of computer scrap ...
Karen Lin
Jan 21,2014
1610 views
If you have access to a large amount of e-waste, you may literally be sitting on a gold mine. There is gold that can be recovered from discarded computer circuit boards--but in such small amounts that...
Karen Lin
Jan 21,2014
1099 views
circuit boards are part of a computer system. The circuit boards are full of precious metals, plastics and similar recyclable materials. Since many of the items within the circuit boards are recyclabl...
Karen Lin
Jan 21,2014
879 views
All PC boards have a thin layer of copper that adheres to them. This copper is the wiring or traces for conveying an electrical current to all of the components that are soldered onto the board. You c...
Karen Lin
Jan 21,2014
9123 views
circuit boards are the heart of a computer system. In many cases, the circuit boards have tiny amounts of metals such as gold, silver, copper and lead. These metals are used to improve conductivity. A...
Karen Lin
Jan 21,2014
1785 views
Printed circuit boards contain a large amount of precious metals like gold. This is because precious metals are very good conductors of electricity. There a number of methods that can be used to separ...
Karen Lin
Jan 21,2014
1421 views
Solder is a metal alloy made from materials such as tin-lead or tin-lead-silver. It may also have rosin if it is rosin core. One popular use is to help form circuits on PC boards. The components are u...
Karen Lin
Jan 21,2014
1417 views
There are four main methods of removing gold from circuit boards, each with its pros and cons. The most effective, and most time-consuming, method is scraping with a device like a paint scraper. The a...
Karen Lin
Jan 21,2014
2028 views
A printed circuit board (PCB) is typically made by attaching a copper sheet to a substrate board, sometimes on both sides. The manufacturer then creates the circuits by removing copper so that only th...
Karen Lin
Jan 21,2014
2305 views
printed circuit boards are produced in a bulk e is the electronic enthusiasts can best embody the production level of technology. PCB printed circuit board short, factory production and amateur produc...
PCBWay
Jan 21,2014
1667 views
Multilayer PCB boards with major appearance prepreg requires: Oil should be smooth, no oil, no stains, no foreign matter or other defects, no rupture and excessive resin powder, but allow microcracks....
PCBWay
Jan 21,2014
1643 views
1, protel is undoubtedly the first contact eda software, and in most of the universities have protel software programs, but have to admit, protel eda software in the family is indeed one of the most l...
PCBWay
Jan 21,2014
2230 views
Usually made from a copy board or PCB board schematics, technical requirements needed is not high , so fast PCB board is very simple, but the actual operation need to be clear goal , of course, any co...
PCBWay
Jan 21,2014
1208 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
