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Deep Ultraviolet (DUV) LED PCB: Revolutionizing Industries with Light

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Item Flexible pcb Rigid-Flexible pcb Rigid PCB
Max Layer 8L 36L 60L
Inner Layer Min Trace/Space 3/3mil 3/3mil 3/3mil
Out Layer Min Trace/Space 3.5/4mil 3.5/4mil 3/3mil
Inner Layer Max Copper 2oz 6oz 6oz
Out Layer Max Copper 2oz 3oz 6oz
Min Mechanical Drilling 0.1mm 0.15mm 0.15mm
Min Laser Drilling 0.1mm 0.1mm 0.1mm
Aspect Ratio(Mechanical Drilling) 10:1 12:1 20:1
Aspect Ratio(Laser Drilling) / 1:1 1:1
Press Fit Hole Ttolerance ±0.05mm ±0.05mm ±0.05mm
PTH Tolerance ±0.075mm ±0.075mm ±0.075mm
NPTH Tolerance ±0.05mm ±0.05mm ±0.05mm
Countersink Tolerance ±0.15mm ±0.15mm ±0.15mm
Board Thickness 0.1-0.5mm ±0.1mm 0.4-8mm
Board Thickness Tolerance(<1.0mm) ±0.05mm ±0.1mm ±0.1mm
Board Thickness Tolerance(≥1.0mm) / ±10% ±10%
Impedance Tolerance Single-Ended:±5Ω(≤50Ω),±10%(>50Ω) Single-Ended:±5Ω(≤50Ω),±10%(>50Ω) Single-Ended:±5Ω(≤50Ω),±7%(>50Ω)
Differential:±5Ω(≤50Ω),±10%(>50Ω) Differential:±5Ω(≤50Ω),±10%(>50Ω) Differential:±5Ω(≤50Ω),±7%(>50Ω)
Min Board Size 5*10mm 10*10mm 10*10mm
Max Board Size 9*14inch 22.5*30inch 22.5*30inch
Contour Tolerance ±0.05mm ±0.1mm ±0.1mm
Min BGA 7mil 7mil 7mil
Min SMT 7*10mil 7*10mil 7*10mil
Surface Treatment ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating
Solder Mask Green Solder Mask/Black PI/Yellow PI Green Solder Mask/Black PI/Yellow PI Green,Black,Blue,Red,Matt Green
Min Solder Mask Clearance 3mil 1.5mil 1.5mil
Min Solder Mask Dam 8mil 3mil 3mil
Legend White,Black,Red,Yellow White,Black,Red,Yellow White,Black,Red,Yellow
Min Legend Width/Height 4/23mil 4/23mil 4/23mil
Strain Fillet Width 1.5±0.5mm 1.5±0.5mm /
Bow & Twist / 0.05% 0.3%
Table of Contents
Primary Item (H2)

In the realm of technological advancements, Deep Ultraviolet (DUV) LED PCBs stand out as a beacon of innovation. These components are not just about lighting; they're about revolutionizing industries' operations, from sterilization processes to water purification. Let's dive into what makes DUV LED PCBs unique and why they're becoming indispensable in various sectors.

What is a DUV LED PCB?

A DUV LED PCB is a printed circuit board that supports and connects deep ultraviolet light-emitting diodes. These LEDs emit UV light at very short wavelengths, typically 200 to 280 nanometers. This spectrum is known for its germicidal properties, making DUV LEDs a powerful tool against microorganisms.

The Science Behind DUV LEDs

How DUV LEDs Work

DUV LEDs leverage semiconductor materials to produce UV light at specific wavelengths. When electrons in the semiconductor recombine with holes, they release energy in the form of photons, emitting deep ultraviolet light. This process is highly efficient and can be tailored to target specific wavelengths.

Advantages Over Traditional UV Sources

Compared to traditional UV lamps, DUV LEDs offer several benefits:

  • Energy Efficiency: They consume less power, making them more sustainable.
  • Longevity: DUV LEDs have a longer lifespan, reducing replacement costs.
  • Compactness: Their small size allows for more flexible design options.
  • Instant On/Off: Unlike UV lamps, DUV LEDs do not require warm-up time.

Key Features of DUV LED PCBs

  • Compact and Energy-Efficient: These PCBs are designed to be small yet powerful, ensuring that devices can be portable and energy-efficient.
  • High Stability and Longevity: DUV LED PCBs offer a stable light output and a longer lifespan than traditional UV light sources like mercury lamps.
  • Environmentally Friendly: With no harmful mercury used, DUV LED PCBs present a greener alternative for UV applications.

Applications of DUV LED PCBs

Sterilization and Disinfection

One of the most critical applications of DUV LED PCBs is sterilization and disinfection. Their ability to destroy the DNA of bacteria, viruses, and other pathogens makes them ideal for medical equipment, water purification, and surface sterilization.

Industrial Uses

DUV LEDs are used in industries to cure resins and adhesives, conduct photochemical processes, and inspect semiconductor wafers. Their precise wavelength control improves process efficiency and product quality.

Environmental Monitoring

DUV LEDs play a crucial role in environmental monitoring, detecting pollutants and harmful substances in air and water. Their compact size and efficiency enable portable, battery-operated devices for field use.

The Future of DUV LED PCBs

The potential of DUV LED PCBs is vast, with ongoing research aimed at increasing their efficiency, output power, and wavelength range. As these improvements materialize, we can expect DUV LEDs to become even more integral to our lives, offering cleaner water, safer environments, and more efficient industrial processes.

Wrapping Up

As we continue to explore the capabilities of DUV LED PCBs, it's clear that their impact extends far beyond just illumination. They offer a promising path towards a healthier, cleaner, and more efficient world. Whether in healthcare, industry, or environmental protection, DUV LEDs are lighting the way forward.

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