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What is Aspect Ratio in PCB industry?

Wednesday,May 25,2016

In PCB fabrication the aspect ratio is the thickness of a PCB divided by the diameter size of a drilled hole — see Figure 1 below It& 39;s importance relates to the plating process — plating solutions must flow through the hole efficiently in order to achieve acceptablecopper pla

What is Bare-board test(BBT)?

Monday,Apr 11,2016

Unpopulated boards are usually bare-board tested for "shorts" and "opens" A short is a connection between two points that should not be connected An open is a missing connection between points that should be connected For high-volume production a fixture or a rigid needle adapter is

Via Tenting, Via Opening, Via Plugging

Tuesday,Mar 15,2016

What is VIA?AviaorVIA(also known asvertical interconnect access) is anelectrical connectionbetween layers in a physicalelectronic circuitthat goes through the plane of one or more adjacent layers Inprinted circuit boarddesign, a via consists of two pads in corresponding positions on different

PCB Manufacturing Process

Wednesday,Jan 06,2016

PCB Board Manufacturing is printed circuit boards manufacturing . Headpcb is one of PCB Board manufacturer in china , Have over 15 years experience on PCB board manufacturing . PCB Capability 1 - 36 Layers .At Headpcb team utilizes the latest in PCB technology and equipment to meet the demand for quality. Our dedication to providing quality PCB products and services have helped us earn the trust and respect of our customers. We constantly work towards creating innovative solutions, and we spare no expense in acquiring the latest in PCB board manufacturing technologies and an experienced workforce. This places us in a