METHOD FOR CURING SUBSTANCES BY UV RADIATION, DEVICE FOR CARRYING OUT SAID METHOD AND INK CURED BY UV RADIATION
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Abstract
The proposed method of substance curing by radiation, received from the UV LEDs, the device designed to implement this method, and ink cured by radiation from UV LEDs.
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Citations
40 Claims
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1-23. -23. (canceled)
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24. A method for curing a substance, the method comprising:
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applying a curable agent to a substrate surface, the curable agent including at least one photoinitiator, wherein the photoinitiator has a maximum sensitivity in a UV part of a spectrum; irradiating the curable agent with UV radiation from a plurality of UV LEDs; wherein the irradiating comprises driving the UV LEDs with current pulses at a frequency of 1 kHz-10 MHz. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
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33. An apparatus for curing an agent by UV radiation, the apparatus comprising:
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a UV radiation source formed of a plurality of UV LEDs; a control unit for controlling the UV radiation source; a radiator for cooling the UV LED; a temperature sensor connected to UV LEDs control block and to the UV LEDs; an optical focusing system for focusing the radiation from the UV radiation source onto the curable agent; the control unit providing current pulses to the UV radiation source with a frequency of 1 kHz-10 MHz. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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Specification