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If you are building a printed circuit board, you want quality material that is going to be durable and reliable. The whole system should work together to produce what you are looking for precisely. With Candor and our HID PCBs, we are here to provide just that. Quality material, service and insight to all of our PCB needs.

We started back in 1999 for those who needed more innovation with the growing amounts of sophisticated technologies. We are now pushing the envelope and how printed circuit boards are developed and constructed through many techniques exclusive to Candor. A lot of our processes replace older and existing operations that reduce the need for undesirable products and materials. We have been able to take our company towards a more environmentally friendlier status based on our preferred methods for our PCBs.

If you are looking to have a fully functional printed circuit board that needs to run to the highest standards, going with an HDI PCB would be the best option. These types of boards require newer and different manufacturing processes compared to other traditional boards. This means specialized equipment will be needed. But Candor has already invested in the materials and equipment necessary for an HDI board as we continue to push our PCB development further down the road. Candors focus on streamlined manufacturing process allows for more complex PCB development, with less risk of failure.

Here is a bit of information as to what an HDI PCB is, how they are put together and why it benefits you the most.

What Are HDI PCBs?

An HID PCB is a High Density Interconnector Printed Circuit Board. It is still a relatively a new type of technology used in multi-layered PCBs, but probably the fasted growing. These boards are on a high-density substrate with the wiring and pad connection than you would find with standard PCBs.

HDI PCB Manufacturing Process

Candor HDI PCBs go through a via process that is landless. We can remove the requirements on via pads that traditional PCBs need. It is laminated using either non-conductive or conductive epoxy to fill the pate. This is beneficial for having consistent impedance control.

HDI PCBs require equipment that does laser drills and sequential lamination cycles. These processes have already been done through Candor and readily available for your HDI board.

The result of the manufacturing process is a PCB that has smaller capture pads with higher connection pad density, closer spaces and finer lines. Your PCB will be smaller in not just the size but the weight too.

Advantages of HDI PCBs

An HDI PCB is excellent for those who have tight spacing requirements with their board. Because of our via method that is quite different from traditional PCBs, the space needed for the via is quite smaller. You can have a board that does more and function at a high level that is smaller and lighter.

Benefits of HDI PCBs

By going with an HDI PCB, you can place more components on both sides of the PCB. So for more elaborate boards that require more features and wiring without reducing the electrical performance of the board, an HDI board would benefit you. The smaller design allows for faster signal transmission which means fewer cross delays and a reduction in signal loss.

HDI PCB Cost

Because and HDI PCB uses up less space which means fewer materials needed, there is a reduction in cost through proper design. In some cases, an 8 layered PCB can be cut down to 4 layers by using HDI manufacturing processes. For even further reduction in cost, landless vias, vias with no annular ring can reduce complicated drilling steps saving time and money.

To get a more accurate quote for what an HDI PCB board would look like based on your requirements, contact Candor today for your free quote.

We’ve worked with Candor for over twenty years, and continue to be happy working with them. They are our first choice for PCB’s and provide a reliable and quality product. Candor has helped us create a number of special boards for our products with environmental issues such as dielectric, thermal and humidity requirements. They always provide on time service and good feedback whenever questions are raised. Candor always adapts to our needs and requirements making it easy to work with them.

Dana L.,  

“I have been using Candor for over a decade and there are always there for customers. The customer service and engineering group it up there with the TOP GUNS. If the customers have any issues Candor is there for you to make it right. The board quality and manufacturability ability is top notch and have solutions to your needs. “

T.O.,  

Frequently Asked Questions

What are the main differences between HDI and traditional PCBs?

HDIs Are Smaller And Lighter

HDI PCBs feature a method of layer accumulation that starts with a traditional dual-sided board that is then laminated with layers. Compared to conventional circuit boards, these PCBs are lighter, thinner, and shorter, providing several advantages.

Unlike ordinary PCBs, HDIs are made with micro-bury holes. These are prepared using lasers, enabling an increase in the number of layers and aspect ratio compared to traditional PCBs.

Higher Wiring Density

The density of holes, lines, and pads in HDIs makes them particularly important for high-density plates and packing substrates that require precise impedance matching versus traditional boards. 

Improved Electrical Properties

HDI PCBs enable more compact end-product layers, as well as delivering improved standards of electrical performance and efficiency. With their higher interconnect density, improved signal strength, and increased reliability, HDI boards provide better protection against static discharge and thermal conduction. This enables these boards to handle load capacities that are impossible for traditional PCBs.

How does the via process in HDI PCBs improve performance?

In HDI boards, blind vias, micro vias, and buried vias are used to reduce the thickness of the board, accommodating more wiring density across the layers.

When a board has an improper stack-up build, this can result in poor performance, EMI issues, crosstalk, and vulnerabilities. Stack-up has to be built so that all the high-speed signals facilitate a signal return path.

What factors influence the cost of HDI PCBs?

Design Complexity

The nature of HDI PCBs is more complex than that of traditional boards, differentiating them from pre-existing market PCBs. Overlooking any fault in their designs will result in an HDI PCB that fails to work as intended, reducing performance. HDI PCBs need to go beyond the regular production techniques of traditional circuit boards, mostly because of their components. This results in a more expensive board. 

Layer Count

Complex PCBs have many layers. When the layer count is higher, it adds to the cost of production. Producing HDI PCBs isn’t a simple process, and with the added layers, it can make these circuit boards more of an investment. 

Materials

The core of PCBs is their materials, and HDI circuit boards cannot survive with affordable or accessible materials. Rare materials can increase the cost, as they are hard to acquire and import.

 

Manufacturing Techniques

PCB production is an extensive process. Many different steps go into circuit board production, including lamination and drilling. These individual steps can increase cost, and HDI boards require additional manufacturing techniques to ensure their quality and performance. 

Production and Quality

High-quality production requires smart design. Bulk production typically lowers costs, as producing HDI PCBs on a small scale can be quite expensive. 

 

Premium testing methods, inspection techniques, and defects can all increase costs. To produce the highest-quality HDI circuit boards possible, premium testing methods must be used.

What industries benefit most from using HDI PCBs?

Healthcare, automotive, smartphones and tablets, aerospace, military, and wearable technologies all benefit from HDI PCBs.

Because HDI PCBs can fit into small spaces, it makes them very attractive for electronics industries where size is the most important feature. Industries that require miniaturized cameras, and miniaturized electronic devices, and survive more extreme and hazardous conditions all require the use of HDI PCBs.

Why Choose Candor for Your HDI PCB Needs?

Candor’s state-of-the-art manufacturing processes, eco-friendly solutions, environmentally conscious production, and adherence to quality and customer standards make them the number one choice for HDI PCB design. Decades of expertise, innovation, and commitment to customer satisfaction have resulted in a circuit board production company whose quality management systems are second to none.

If you’re looking for a trustworthy printed circuit board manufacturer, Candor is the way to go. 

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