News & FAQ

  • PCB – Printed circuit board. This is the bare board itself without any electronic components.
  • PCA – Printed circuit assembly. This is the board populated with all electronics components.  
  • PCBA – Printed circuit board assembly. This is the completed board with all components. 
A Printed Circuit Board or PCB is a board on which a chip or electronic components are placed. PCBs can be rigid or flexible and can have electronic components on one side or both, depending on the design of the board.
With the goal being to integrate your electronic components onto your designed printed circuit board (PCB). The PCB works as the hub of your electronic design, insulating the electronic components connected to the PCB allowing for electrical current to safely pass through your PCB
The cost depends on the scope of the project and the purpose for which the PCB is designed. A member of the U Choice team will help you determine the most cost effective components and processes as well as look for any cost savings that could be achieved with volume production.

The most common causes of failures in PCB assembly can usually be narrowed down to the following:

  • Design Flaw (most common)
  • Power failure on board
  • Overheating due to component crowding
  • Weak soldering points
At U Choice we offer a wide range of PCBs including quad flat packages (QFP), quad flat no lead packages (QFN), and ball grid array (BGA) assemblies.
At U Choice we offer the following services:
  • Prototyping & Rapid Turnaround
  • All sizes of production runs
  • Kitted and Full Turnkey (PCB & Parts)
  • Through-hole & SMT assembly
  • Part of Part (POP) capable
  • Accurate processing down to 01005
  • Complex double-sided assembly
  • Lead-free (RoHS)
  • Automatic Optical Inspection (AOI)
  • 100% Visual Inspection
  • PCB Functional testing
If the service you are looking for is not listed here, please contact us and we will see if there is anything we can do to help.
Yes, absolutely, we are happy to help source and obtain the parts and electronic components needed to build your printed circuit board (PCB).
U Choice operates two complete surface mount lines with the most sophisticated pick and place machines to handle even the tiniest (01005) components.
As safety and quality are top priorities at U Choice, we hold the following certifications:
  • ISO 9001:2015
  • RoHS complaint
We strive to provide a quote for services within 24 hours of receiving a request. To provide our customers with a timely, accurate quote we require the following information:
  • Bill of Material (BOM).
  • PCB data in Gerber file format.
  • Delivery schedule.
  • Other related information if applicable and you think we should know it (e.g., sample PCB, test requirements).

U Choice operates in a 10,000 sq. ft. workspace to facilitate a wide range of PCB assembly works.

  • LEDs
  • Industrial equipment
  • Consumer electronics (e.g., computers)
  • Medical Devices
  • Aerospace components
  • Aviation components
  • Automotive components
  • Pretty much everything electronic
Yes, the gold, silver, copper, and platinum commonly used in a PCB assembly can be recycled and reused.

Yes, U Choice offers a vigorous inspection and testing after every printed circuit board comes off the production line.

Conformal coating is a process of applying a thin layer of polymeric material to printed circuit boards (PCBs) and other electronic devices. The purpose of conformal coating is to protect the electronic components from environmental factors such as moisture, dust, salt, chemicals, temperature changes, and mechanical stress. Conformal coating also enhances the electrical insulation and performance of the circuitry.
Our Conformal Coating facility works as ‘selective’, it can apply a range of materials, and can be cured by ultraviolet (UV). It can jet any lines, dots, regardless of their size, shape, thickness, and can coate in three dimensions.
You are welcome to drop by for more details and to experience how the facility works. We are more than happy to make you estimates per your request.

We recently added a Programmable High & Low Temperature and Humidity Testing Chamber. It can create temperatures ranging from -40°C to 150°C (-40 to 302 Fahrenheit) and the relative humidity from 20% to 98%. Through this simulated extreme environmental condition, it can test the reliability, durability and performance of your finished PCB and the components used for the board. Welcome to stop by for more service details.

U Choice just added a brand-new paste inspection facility in Feb. 2024. This sophisticated equipment can be programmed to check EVERY POINT of the paste placed on the PCB automatically from all the angles surround if any paste flaw happens, such as missing, overflow, excessive or insufficient, bridged, pulled in sharp or collapsed, thickness and size of the paste, etc. to display the analysis data and the true image of the board, so as any potential pasting issues is spotted out. It watches the object very precisely to narrow down the resolution 0.37 um, the height range by 1-1000 um, the area from 0.1 to 10 sq mm, accepts PCB thickness from 0.5 to 5 mm, size 500X500 mm. This equipment ultimately eliminates the paste placement issues, and increases the PCB soldering quality, despite more labor hour consumed for set up and programming, but, at any rate, our customer is happy with this means for sure!

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