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  JENTON UV LED 
UV LED Curing Technology is utilized for drying inks, UV Coatings, UV Adhesives and other UV sensitive materials through polymerization. UV LED improves on that existing process by enabling thinner, heat-sensitive  substrates while reducing harmful by-products such as ozone, and  improving workplace safety. Additionally, UV LEDs can be turned on and off instantly, and utilize input power efficiently to enable lower operation costs over the application lifetime. UV LED Curing Technology uses Light Emitting Diodes (LEDs) which are semiconductor devices that emit light with a specific peak wavelength when electric current is passed through them. As with all semiconductors, the technology associated with production has rapidly improved in recent years, resulting in products that emit much brighter light and are available over a broader wavelength. LEDs are beginning to replace conventional light bulbs in many illumination applications. The majority of LEDs are supplied with the active semiconductor mounted on to leads and moulded into a clear plastic package. This limits how closely they can be packed together. For example with 3mm diameter parts it is only possible to fit nine in a 1cm2 area. However, the bare semiconductor (known as a die) is a very small, ranging from 0.3mm x 0.3mm to 1mm x 1mm, and this enables up to 200 devices to be assembled into the same area while allowing space for the electrical connections. More densely packed devices result in higher intensity light output.
	Rapid Cure - light instantaneously on with no warm up required 	No heating of substrates - cold curing close up to cure head 	One peak wavelength of output power (multiple peaks possible as required by process) 	No fuming of cured material normally caused by excessive radiant power from conventional lamps 	Safe operation - no UVB, no ozone, no bulb break, low voltage, no mercury 	Predictable radiant output power with limited drop off with life 	Variable power - ability to create a cure profile with time e.g. reduced stress curing  	Even intensity of radiant power over curing area 	Long life time> 10,000 hrs of LED on time (LEDs only need to be on when curing) 	Minimal drop off in power over life 	Small size and light weight of cure heads 	Ability to create three dimensional flood areas for curing complex shape Advantages of UV LED Curing:
UV LED Curing for Medical Devices  Medical Design Technology Magazine, May 2012
UV Curing Conveyors, supplied by Jenton UV, accept UV LED Curing Lamp Systems systems, designed to efficiently and consistently direct UV light onto products as varied as ink samples, UV Adhesives, UV PCB Conformal Coatings, CDs, contact lenses, medical devices, automobile components and many more industrial products.
9/10 Ardglen Road, Whitchurch, HAMPSHIRE  RG28 7BB  UNITED KINGDOM Tel:+44 (0)1256 892194            Fax:+44 (0)1256 896486               sales@jenton.co.uk
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Capability in UV LED Curing

UV LED CURING TECHNOLOGY

UV LED CURING WATER COOLED
UV LED curing lamp high-power water cooled for the UV curing of inks in digital, inkjet and screens air-cooled UV LED lamp systems provide high irradiance and custom optics UV Curing Adhesives, Epoxies, Coatings, Sealants and Encapsulants for UV Curing UV LED curing lamp for  pinning  low cost, small form factor air cooled
However, it is not that simple! LEDs are around three to four times more light efficient than bulb technology with 15 - 20% of the applied electrical energy being converted into light. Unfortunately, this means that 80 to 85% is transferred into heat. Increasing the packing density of the LEDs increases the heat density generated and complicates the thermal management system required to keep the LEDs cool. If LEDs are allowed to get too hot their life will be significantly shortened. Water Cooling is probably the most efficient method of removing the heat. Forced Air Cooling can be used but this reduces the density of LEDs that can be thermally managed hence reducing the radiant flux density (light intensity). Reducing the density even further will allow simple heatsinks and natural convention cooling.
UV LED Curing technology
UV LED CURING FOR SMALL AREA
UV LED CURING AIR COOLED
UV ADHESIVES
UV LED Curing Technology is utilized for curing and drying inks, UV Coatings, UV Adhesives  and other UV sensitive materials through polymerization. UV LED improves on that existing process by enabling thinner, heat-sensitive  substrates while reducing harmful by-products such as ozone, and  improving workplace safety. Additionally, UV LEDs can be turned on and off instantly, and utilize input power efficiently to enable lower operation costs over the application lifetime. UV LED Curing Technology uses Light Emitting Diodes (LEDs) which are semiconductor devices that emit light with a specific peak wavelength when electric current is passed through them. As with all semiconductors, the technology associated with production has rapidly improved in recent years, resulting in products that emit much brighter light and are available over a broader wavelength. LEDs are beginning to replace conventional light bulbs in many illumination applications. The majority of LEDs are supplied with the active semiconductor mounted on to leads and moulded into a clear plastic package. This limits how closely they can be packed together. For example with 3mm diameter parts it is only possible to fit nine in a 1cm2 area. However, the bare semiconductor (known as a die) is a very small, ranging from 0.3mm x 0.3mm to 1mm x 1mm, and this enables up to 200 devices to be assembled into the same area while allowing space for the electrical connections. More densely packed devices result in higher intensity light output.
	Rapid Cure - light instantaneously, no warm up required 	No heating of substrates - cold curing close up to cure head 	One peak wavelength of output power  	(Multiple peaks possible as required by process) 	No fuming of cured material  	Safe operation - no UVB, no ozone, no bulb break, no mercury 	Low voltage 	Predictable radiant output power with limited drop off with life 	Variable power  	Create a cure profile with time e.g. reduced stress curing  	Even intensity of radiant power over curing area 	Long life time> 10,000 hrs  	(LEDs only need to be on when curing) 	Minimal drop off in power over life 	Small size and light weight of cure heads 	Create 3-dimensional flood areas for curing complex shape Advantages of UV LED Curing:
UV LED Curing for Medical Devices  Medical Design Technology Magazine, May 2012
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Capability in UV LED Curing
However, it is not that simple! LEDs are around three to four times more light efficient than bulb technology with 15 - 20% of the applied electrical energy being converted into light. Unfortunately, this means that 80 to 85% is transferred into heat. Increasing the packing density of the LEDs increases the heat density generated and complicates the thermal management system required to keep the LEDs cool. If LEDs are allowed to get too hot their life will be significantly shortened. Water Cooling is probably the most efficient method of removing the heat. Forced Air Cooling can be used but this reduces the density of LEDs that can be thermally managed hence reducing the radiant flux density (light intensity). Reducing the density even further will allow simple heatsinks and natural convention cooling.

UV LED CURING TECHNOLOGY

air-cooled UV LED lamp systems provide high irradiance and custom optics
UV LED SPOT CURING
UV LED CURING WATER COOLED
UV LED curing lamp high-power water cooled for the UV curing of inks in digital, inkjet and screens LED spot cure system with a closed loop feedback system to calibrate each LED head to a recognized NIST standard UV Curing Adhesives, Epoxies, Coatings, Sealants and Encapsulants for UV Curing UV LED Curing technology
  JENTON UV LED  
UV LED CURING FOR SMALL AREA
UV ADHESIVES