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HDI PCB

High-dense-interconnect PCB boards have a higher wiring density per unit area than typical PCBs. With changing technology, printed circuit board technology has evolved to meet the demand for smaller and faster products. HDIs have denser wiring, resulting in lighter, more compact PCBs. Instead of using several PCBs in a device, one HDI board can replace all the preceding boards.

Why choose HDI printed circuit boards?

The ability to “do more with less” is the primary advantage of HDI printed circuit boards with technology constantly seeking greater precision. HDI PCBs enable the deployment of many transistors for improved electronics performance while lowering power consumption. Because of the shorter distance connections and lower power requirements, signal integrity is also enhanced.

Modern designs often require highly advanced BGA with very fine pitch, witch is impossible to fanout without HDI technology.

Microvias are also more dependable than through holes because they have a smaller aspect ratio; they are more reliable than typical through holes, allowing HDIs to achieve remarkable performance with superior materials and parts.

Where are HDI PCBs used?

HDI PCB board is usually found in complex electronic devices that demand excellent performance while conserving space. Applications include mobile /cellular phones, touch-screen devices, laptops, digital cameras, 4/5G network communications, and military applications such as avionics and smart munitions.

Automotive and aerospace industries, where lower weight can mean more efficient operation, have been utilizing HDI PCBs at an increasing rate. For example, today’s cars have around 50 microprocessors on board that play a role in engine controls, diagnostics, safety features, and other conveniences.

The high-density technology promotes improved performance and smaller, more cost-effective medical devices, potentially improving the accuracy of monitoring and medical testing.

HDI printed circuit boards play a significant role in industrial automation and IoT, as it is becoming more common in manufacturing, warehousing, and other industrial settings. Businesses use electronic tools to keep track of inventory and monitor equipment performance, collect usage data, and connect to the internet to communicate with other smart devices, as well as to relay information to management and help optimize operations.

Capabilities

Feature

Capability

Number of Layers

4-30 layers

Quality Grade

IPC 6016 Class 2, IPC 6016 Class 3

Material

Tg 150°C FR4, Tg 170°C FR4, Tg >170°C FR4, Special material

Thickness

0.4 - 6.0 mm

Min Track / Spacing

2-8 mil

Min Hole Size

0.15 mm - 0.3 mm

Solder Mask

Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte Green

Silkscreen

White, Black, Yellow, Blue

Surface Finish

Immersion gold, OSP, Hard Gold, Immersion Silver

Finished Copper

0.5-13 oz

Manufacturing time

5-10 days

Transport time

1-3 days

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Capabilities

Feature Capability
Number of Layers 4-30 layers
Quality Grade IPC 6016 Class 2, IPC 6016 Class 3
Material Tg 150°C FR4, Tg 170°C FR4, Tg >170°C FR4, Special material
Thickness 0.4 - 6.0 mm
Min Track / Spacing 2-8 mil
Min Hole Size 0.15 mm - 0.3 mm
Solder Mask Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte Green
Silkscreen White, Black, Yellow, Blue
Surface Finish Immersion gold, OSP, Hard Gold, Immersion Silver
Finished Copper 0.5-13oz
Manufacturing time 5-10 days
Transport time 1-3 days

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