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Printing Devices

UV LED Light Sources

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Applications

Sheet-Fed Offset Printing

Sheet-fed offset printer with chain delivery system that requires long working distance for curing and pinning.

Inkjet Printing

Pinning and curing for UV inkjet single-pass and multi-scan printing.

Other Analog Printing

Curing for offset rotary printers, flexographic printers, and screen printers.

Coatings

Curing various coating materials such as for optical fiber, wood, and mobile phone cases.

Adhesives

Curing UV curable adhesives such as for LCD, touch screens, and substrate manufacturing.

Exposure Devices

Photo processing for semiconductor manufacturing equipment, pattern forming for LCD panels, and circuit forming for PCB.

Features

Characteristics of sabah 88 lotto UV LED Light Sources

High-density mounting and high heat dissipation accomplished by sabah 88 lotto’s ceramic substrates

High-density mounting of LED chips produces high-output irradiation. sabah 88 lotto's low-thermal resistance ceramic substrate improves heat dissipation and allows high density mounting of LED chips.

Product design optimized by simulation
sabah 88 lotto's UV LED Light Sources are developed by using optical simulation to optimize irradiance, focus distance, and surface uniformity as well as fluid simulation to optimize the characteristics of heat dissipation and the positioning of components.
Customized Products
In addition to our standard products, we offer custom products. Please contact your local sabah 88 lotto representative for more information.

Products

G5A Air-cooled UV LED Light SourceCompact and lightweight design with high-irradiance

3 units of G5A connected

High-irradiance and dose
Peak irradiance of 24W/cm2 (at UV wavelength 385nm/395nm) with air-cooling is achieved by use of high heat dissipation ceramic substrate and optimizing the design of the heat sink to maximize energy efficiency. Capable of achieving 270mJ/cm2 (at 50m/min) dose, which is comparable to the dose level provided by water-cooled UV LED light source.
Compact and lightweight design allows more flexibility for mounting
Compact (80.3 × 88.0 × 150.5mm) and lightweight (1.0kg) design allow more flexibility when incorporating this UV LED Light Source into a system. The G5A Light Source's ability to achieve high-irradiance with air-cooled design eliminates the need for a water-cooling system (chiller) which is required for water-cooled high-irradiance light sources.
Scalable structure
The G5A UV LED Light Source is scalable in 80mm increments to a maximum irradiation width of 1,600mm to meet various curing job requirements. Serial communication with external devices along with ON/OFF power switching at 26.5mm units is available, allowing optimization of the irradiation area.
Monitoring functions for stable operation
Monitoring functions: LED temperature, LED current, fan operating hours, and accumulated LED lighting hours. Alert functions: System error, LED lighting error, air filter replacement, etc.
G5A Spec
Model Cooling
method		 Dimensions
W × D × H
(mm)		 Weight
(kg)		 Irradiation
window size
(mm)		 Wavelength
(nm)		 Dose(mJ/cm2)
at 50m/min
WD = 10mm		 Peak irradiance
(W/cm2)
WD=0mm WD=10mm

G5A

 Air-cooling 80.3 × 88.0 × 150.5 1.0 80 × 20 365 200 16 6
385
395		 270 24 8

WD: Working Distance

Data Sheet

G5A Model Data sheetPDF(530KB)

G5H Air-cooled UV LED Light Source
Offers highest dose in class*

*According to the survey of other available product in the market by sabah 88 lotto.

G5H

Achieving High-Dose: 400mJ/cm2 (1.5 times of G5A Model)

At 50m/min transportation speed with UV wavelength 385nm/395nm

Increased Dose to 400mJ/cm2 which is one of the critical features of the curing capability by optimizing the LED chip arrangement and heat sink design.
Dose is 1.5 times higher than G5A model.
Scalable structure
The G5H UV LED Light Source is scalable in 80mm increments to a maximum irradiation width of 1,600mm to meet various curing job requirements. Serial communication with external devices along with ON/OFF power switching at 26.5mm units is available, allowing optimization of the irradiation area.
Monitoring functions for stable operation
Monitoring functions: LED temperature, LED current, fan operating hours, and accumulated LED lighting hours.
Alert functions: System error, LED lighting error, air filter replacement, etc.
G5H Spec
Model Cooling
method		 Dimensions
W × D × H
(mm)		 Weight
(kg)		 Irradiation
window size
(mm)		 Wavelength
(nm)		 Dose(mJ/cm2)
at 50m/min
WD = 10mm		 Peak irradiance
(W/cm2)
WD=0mm WD=10mm

G5H

 Air-cooling 80.3 × 140.0 × 170.5 1.5 80 × 31 365 300 16 9
385
395		 400 24 12
Data Sheet

G5H Model Data sheetPDF(333KB)

G5AP Air-cooled UV LED Light Source
Offers high irradiance with slim design

G5AP

19mm - Super thin design (excluding the 35mm thickness at fan area)
Compact and super thin design (1/4 of G5A model) allow more flexibility when incorporating this UV LED Light Source into a system.
Print quality improvement by pinning process
Curing inkjet inks by each colors (pinning) will prevent unwanted ink spread and color mixture, improving the print quality.
[ Without Pinning ] Example of unwanted ink spreading and color mixture (lower print quality) [ With Pinning ] Example of pinned color inks (higher print quality)
Illustration of printed image without pinning process and with pinning process using G5AP.
Scalable structure
The G5AP UV LED Light Source is scalable in 120mm increments to a maximum irradiation width of 2,400mm to meet various curing job requirements. Serial communication with external devices along with ON/OFF power switching at 40.0mm units is available, allowing optimization of the irradiation area.
Monitoring functions for stable operation
Monitoring functions: LED temperature, LED current, fan operating hours, and accumulated LED lighting hours.
Alert functions: System error, LED lighting error, air filter replacement, etc.
G5AP Spec
Model Cooling
method		 Dimensions
W × D × H
(mm)		 Weight
(kg)		 Irradiation
window size
(mm)		 Wavelength
(nm)		 Dose(mJ/cm2)
at 50m/min
WD = 10mm		 Peak irradiance
(W/cm2)
WD=0mm WD=10mm

G5AP

 Air-cooling 120.0 × 19.0 × 219.0
(D=35.0 at fan area)		 0.5 120 × 13 365 25 4 1
385
395		 35 6 1.5
Data Sheet

G5AP Model Data sheetPDF(502KB)

G5AN/G5HN Air-cooled UV LED Light Source(Nitrogen Purging Model)
Dramatically increases the acceptance of wider range of inks.

G5AN

G5HN

Have you ever experienced "We considered the introduction of a UV LED light source, but abandoned the idea because of insufficient curing with existing inks"? It may be due to "oxygen inhibition" caused by the combination of radicals generated by UV irradiation with atmospheric oxygen.
sabah 88 lotto has developed a UV LED Light Source that realizes excellent curing performance without relying only on power such as irradiance and integrated (or accumulated) light amount, in particular, against "oxygen inhibition" known as poor curing of the ink surface.
Compatible with wide range of inks
Excellent curing performance even for inks and resins that are difficult to cure with conventional UV LED light source, such as low migration inks, coat varnishes, and inks for metal halide lamps.
Integrated structure with sabah 88 lotto UV LED Light Source (G5AN/G5HN)
Unlike the conventional nitrogen purging system that requires an enclosed space, G5AN/G5HN can efficiently flow nitrogen and reduce oxygen concentration in UV irradiation area simply by installing it in the system. No major modification to the system is required to create an enclosed space. A separate nitrogen supply source such as a nitrogen generator is required.
Scalable structure
The irradiation width can be extended to match the print size (80mm to 1,600mm) by 80mm width scalable unit structure.
Video Clip
G5AN Spec
Model Cooling method Dimensions
W × D × H
(mm)		 Weight
(kg)		 Recommended nitrogen purity Nitrogen flow rate
(L/min)

G5AN

 Air-cooling 80.3 × 109.7 × 161.2 1.3 Higher than 99.9% 10～30
* May vary by the used UV ink
and printing conditions

*Irradiation window size, UV Wavelength, Dose, and Peak irradiance are same as G5A model.

G5HN Spec
Model Cooling method Dimensions
W × D × H
(mm)		 Weight
(kg)		 Recommended nitrogen purity Nitrogen flow rate
(L/min)

G5HN

 Air-cooling 80.3 × 161.7 × 181.7 1.8 Higher than 99.9% 10～30
* May vary by the used UV ink
and printing conditions

*Irradiation window size, UV Wavelength, Dose, and Peak Irradiance are same as G5H model.

Data sheet

G5AN Model Data SheetPDF(399KB)

G5HN Model Data SheetPDF(387KB)

The dose value contributes to efficient UV curing
Relation of dose and amount of radicals

Inquiry

Please contact us if you have any questions about sabah 88 lotto UV LED Light Sources.