PCB Testing – Prevention Is Always Better

PCB’s find their application in electronic appliances like DVD, Televisions, cell phones, computers, calculators, watches, but to name a few. These appliances would not function if the PCB is not functioning; hence it is very important to test the PCB’s to check their reliability and performance before they are applied in these multifarious industries.
The testing process includes the bare board tests in which the unpopulated circuit boards are required to undergo and every connection is checked on the finished circuit board as correct. In case of mass production of circuit boards , the testing is done using a bed of nails tests or fixture where they are connected with the copper holes or lands present on either one or both sides of the board, so that the testing process is managed easily. Then with the use of computer electric testing unit, current in a small quantity is send on the nail bed through every point of contact thus ensuring that current is detected on appropriate contact points.

Even after the board is populated it has to be tested by different methods that include manual inspection of the PCB, optical inspection, analog signature analysis, and power off testing which is done when the electric current is not passed. When the power is on, the tests that are carried out are the in-circuit test which is done to test the voltage and frequency & the functional test wherein the PCB is tested for functionality.

After the process of testing is complete, the PCB’s which fail to work are disordered by the technicians and the components of the PCB are replaced through a process known as rework.

The process of PCB testing is a very significant process and is always given equal amount of importance as the manufacturing process. Imagine a well known brand, a well established brand having problems with its electronic goods. The brands reputation would be put to risk; moreover the customer may also lodge a complaint through the consumer court which would hinder the brands reputation adversely.

PCB Testing is more like an investment wherein you are assured of quality at a little overhead. So, it is very important to manage the testing activity. If you are outsourcing this activity always ensure the credibility of the testing company through their past records. Always take care of the quality of PCB’s by avoiding companies that are inexpensive ones, consider the quality service.

Whether it is a PCB or some other product, testing is always a good policy.

Resource:
optimatech.net is a leading manufacturer and supplier of PCBA Board is well tested also. It is the best place for different types of PCBA Manufacturing which is well tested for quality service.
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