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- Contact Person : Mr. Yan Zheng
- Company Name : Shanghai Keyan Phosphor Technology Co. Ltd.
- Tel : 86-21-64422503, 64896229, 64898135
- Fax : 86-21-64898169, 68540461
- Address : Shanghai,Shanghai,#139, No. 3740 Huaning Road, Xinzhuang Industrial Zone, Mingxing District, Shanghai City. China
- Country/Region : China
- Zip : 201108
Up conversion anti-counterfeit phosphor (IR)
Detailed Product Description
Up conversion anti-counterfeit phosphor for currency,banknote,certificates,passport,label security printing .
UP-CONVERSION (Anti-Stokes)ANTI-COUNTERFEIT PHOSPHOR
Up-conversion Anti-counterfeit Phosphor is a luminescent material that converts different invisible infrared light into visible light. Making full use of technology advantage of Chinese Academy of Sciences, KPT is the first company in China that develop this product, the quality has achieved the leading level of the world. it has characteristic of sensitive response, rich glowing colors, long lifetime, easy test and the most important-- high safety and concealed ability, by using it, IR (infrared ray) beam can be efficiently detected, tracked, identified and proofread etc.
Up-conversion phosphor is suitable for various kinds of printing application, and will not have any worse effect while mixing with any types of inks. It's can be added in plastic, paper, cloth, ceramic, glass and solution etc. Laser pen or home appliance controller are selected to test this phosphor material.
PHYSICAL PROPERTIES
ITEMS | DESCRIPTION |
Composition | Rare Earth Inorganic Crystal (no toxicant) |
Average Particle Size | 1-10 micron (smaller particle size can be made accordingly) |
Abradability & Humidity resistance | Good |
Temperature Resistance | Property remains unchanged with temperature from under zero 50 centigrade degree (long time) to 1000 centigrade degree (1hr) |
Ultraviolet Rays Resistance | Excellent |
Acid and Alkali Resistance | Excellent |
Stability | Long term stability, do not react with organic solvent |
Ink Combinability | No change caused by mixing with various kinds of inks |
Lifetime | Over 50 years |
Appearance Color | White or Pale White-pink Color |
Specific Gravity | 4.6 |
Excitation Frequencies | 940-1060 nm ( wavelength at peak: 980 nm) |
Emission Color and Frequencies | Red color 610-630nm; Blue color 430-470nm; Green color: 530-560nm |
Other Colors | Totally been shielded (adjustable) or color changeable |
Excitation Light Source | Laser Emitter (10mW) / IR LED (30mW) |
