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21 Father DeValles Blvd. Ste. 202 MS#14 Fall River, MA 02723 [see map]

Custom PCB Printed Circuit Board Testing and Manufacturing

printed circuit board testinOne of the many services that we offer to our clients is custom test solutions for the printed circuit board. We also provide custom PCB testing, design and assembly, depending on the needs of the customer. The designs that we create can range from a simple double-sided PCB to more complex, multi-layer designs. These designs can be accomplished directly from the specifications provided by the client or fully developed by our team in the functional test division. Our printed circuit board testing designs are available in either Allegro or PADS format to best suit the needs of our customers.

Printed Circuit Board Design

In the simplest of terms, a printed circuit board is a self-contained module of interconnected components. Custom PCB testing is required for many different industries to ensure performance and continuity for industrial, commercial, and consumer products. Printed circuit boards are used in many different devices, from home electronics to beepers, military radar devices, and the most sophisticated computer systems on the planet. Custom test solutions are often devised to ensure the performance of PCBs by our functional test division. An in-circuit test fixture and automated test equipment solutions can be used to verify the performance of the completed custom PCBs.

A printed circuit board will have a variety of different circuits that are all designed to perform a single function or multiple functions. Each industry has its own demands, which also come with a variety of requirements and regulations that must be adhered to in production. The three basic types of PCBs include single-sided, double-sided, and multi-layered. The construction for single-sided PCBs involves components that are attached to just one side of the substrate. If more components are required, a double-sided printed circuit board can be used. For multi-layered PCBs, there are various layers that are separated by tiny layers of insulation to ensure that everything is protected and working properly.

How the Components Are Connected

EMC Technologies uses the design and manufacture of the printed circuit board as an integral component of the interface test adapter for several reasons, including improved signal integrity and repeatability, improved debugging time, organization of relays, and the ability to create faster, less expensive duplicates of the interface test adapters or ITAs. Other benefits include signal conditioning components, power and ground busses, and as part of a connector saver adapter card for ease of maintenance in high-volume testing. The way that these components are connected to the substrate will directly impact the performance of the completed printed circuit board.

  • SMT or Surface Mount Technology is a type of assembly used with printed circuit board design and manufacturing. The name refers to the method used to solder the components directly onto the surface of the PCB.
  • THT or Through-Hole Technology is another type of technology used to make connections through the use of drilled holes in the surface of the substrate. THT is gradually being replaced by SMT assembly in most instances because this method fails to meet the current demand for electronics with respect to miniaturization.

Elements of SMT Assembly

A lot of the custom test solutions that we do concerning printed circuit board testing have to do with the performance, reliability, and repeatability of the functions created by the connected components. Some of the best benefits associated with the SMT approach to assembly include miniaturization, high-performance, high-reliability, and high-efficiency. This makes it a favorable choice for many electronics and other high-tech products being developed for industrial, commercial, and consumer use.

When comparing SMT to THT, the difference is clear. The weight and volume of assembled PCBs going through SMT are only approximately one-tenth compared to THT. The overall final product can be shrunk by 40-60 percent, and the weight can be reduced by 60-80 percent compared to THT assembly.

Performance is improved with SMT due to the low reject ratio and higher capability to resist vibration compared to THT assembly. Other benefits include increased reliability due to high-frequency with EMI and reduce interference with radio frequency. SMT can be manufactured at a much higher rate to improve production efficiency across the board. Only four steps are required for effective SMT assembly, which includes: solder paste printing, chip mounting, reflow soldering, and inspection.

Custom Test Solutions for PCBs

If you are interested in learning more about our custom PCB testing or would like to place an order for printed circuit board design and assembly, contact EMC Technologies by calling 508-672-0808. We are ISO 9001: 2015 Certified and ITAR Registered to meet the needs of our clients. Ask about our contract services, engineering services, machining and prototyping options, and our custom PCB testing, design, and assembly.

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