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About 18 months after Drupa introduced the violet laser, we can see the development space of this technology. The industry is very concerned about whether violet laser is a long-term technology and whether it is supported by big manufacturers.
Agfa has been prophetic before Drupa introduced the tight laser. Agfa maintains close liaison with laser suppliers and has been watching the development of laser technology. Even before the commercialization of laser technology, it has begun to pay attention to laser technology. As a result, Agfa has the opportunity to see the technologies that are still on the production line and learn the practical uses of the new technology customers. This is "the screening of technology."
One may question why printers need to be concerned with what type of laser exposure the plate will use when purchasing a CtP device. In the early days of the CtP system, in many Internet discussion forums with CtP as the theme, there have been many opinions on computer-to-plate making. Most of the discussions focused on the potential costs of having a computer-to-plate system, the cost of replacing laser heads, etc. problem. In addition, low maintenance costs are another consideration. Agfa knows that violet laser diodes (Violet djodes have a long life expectancy of 3,000 work hours (3.5 years), but as a number of manufacturers continue to invest in R&D, it is expected that their life will be longer. One of the customers' descriptions is very appropriate: “This is like having a car that does not need to repair the engine.†Therefore, the technology used to expose the plate by the violet laser diode is bound to attract more and more CtP users around the world.
The survey results show that since Drupa 2000, Agfa has sold about 400 violet laser Galileo systems worldwide. Until now, the diode has never had any problems. This is really exciting. The same is true for other purple laser CtP equipment manufacturers such as Purup Eskofot/Barco, Highwater, Heidelberg, etc. They all believe that the violet laser CtP is very reliable. The low cost of the diode itself will also lower the price of the platesetter, and CtP is moving towards a popular market. Violet lasers are exceptionally successful all over the world, because wherever they are, the CtP requirements of printers are the same: affordable, productive, quality and reliable. Any technology that meets these requirements will certainly be very popular. In fact, many suppliers have (or plan to) launch violet laser technology products and reaffirmed that this technology is absolutely feasible. The company of the three has introduced a violet laser silver salt version. The photopolymerization version has been supplied by several manufacturers, and the platemaking machine also has different brands and formats.
"Is violet laser replacing thermal technology?" This is a very important issue.
The answer is "No." Agfa believes that three different platemaking technologies (silver salts, light gatherings, and thermals) can complement each other rather than compete with each other. Traditional plates and film markets tell us that there is no one product or technology that can satisfy everyone's needs, and customers need different products. So in the field of CtP, Agfa is developing different technologies to meet the needs of customers. Violet laser technology combines all the advantages of photosensitivity and thermal CtP, and at a reasonable price, reliable performance, high imaging speed, and close to bright room operations. The violet laser meets the real needs of customers. The success of a CtP technology depends on its merits. The success of violet lasers is not about vendors, but because printers all over the world benefit from it.
In Ifra 2001, we saw the violet laser computer platesetter for newspapers and Agfa launched Violet Polaris. The advantages of commercial printing of violet lasers also attracted many people. Suppliers all attach great importance to violet laser plates and platesetters, so violet lasers are definitely a lasting technology.
CtP buyers how to choose when faced with complex technology? We propose two suggestions:
First, before buying, you should try to ask multiple vendors for their opinions on different technologies to see if they are suitable for your business.
Second, the entire system to be considered by the printer, not individual components. Plates developed around plate-making machine technology with a specific laser spot, shape and scanning speed can achieve the best results. The plate processor is designed to fit the printing plate, and the plate processor and the platesetter are tightly connected together. When the supplier develops imaging technology and printing plates, if the characteristics of the two can be matched with each other, the effect will be even better. We believe that the violet laser can be a mainstream technology in the market in a shorter period of time than other computer-to-plate technologies.