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Future plans

According to Mr. Simon’s estimate, he has invested nearly a million dollars in the PPI’s CTP program and he has never regretted it. He and his employees are proud of what they have achieved, but because the industry is not progressing as fast as they expected, they also feel defeated and frustrated.

Although PPI did not actively promote their new capabilities to the market, Simon said that many customers have come to the initiative and customers want to enjoy the advantages of CTP technology. Especially for customers who export their own films and make printing plates, CTP technology saves them a lot of money. Reducing some of the inherent process steps or offerings is very exciting.

So, Mr. Simon is very excited about the new opportunities that CTP technology will bring. Because PPI has been calibrated for CTP operations in conjunction with printing presses, Siomo is very interested in the new automation features of the press. The most important feature is the ability to transfer information for plate making directly to the press and to know in advance the operation of the press. The state thus produces a printing plate. Simon believes that these automated features more closely link the computerized platemaking process to the press, shortening job preparation time, and ultimately eliminating color distortion.

With the resolution of plate-making machines, plates, and other influencing factors, the future of CTP will become even brighter. At the Drupa conference in the spring of next year, we look forward to seeing more progress in this area. As demonstrated by the PPI, in addition to imaging on plates, there are still many problems for the CTP technology that need to be solved.

Among them, for magazines that want to use direct imaging technology, how to deal with film-based advertising is an unsolved problem. Although, PPI has shown that we can scan color separation films, there are better and more complete methods that have not been adopted for this issue. This spring we will see better color management methods and corresponding imaging methods. We still need to implement the standards of data advertising transmission more extensively (for example, DDAP protocol, Adobe Acrobat) to completely eliminate the screening steps.

Other issues that have not yet been resolved in the CTP operation include: faster and more efficient network environment and RIP processes, data management of data files, and workflow tracking. We look forward to seeing the new features of press automation, the inflection of ink keys, and the biphasic effects between platemaking and printing presses, which will help shorten press setup time and reduce the need for proofing through better color calibration.

Optronics is a technological contender in the CTP field. However, we see that with the intensification of market competition and the increase in technical pressure, the early role of Optronics has also been lost. Optronics first introduced PS roller imagesetters and desk roller scanners on the market. Unfortunately, because Optronics did not have a good market strategy and sales resources to maintain his leading position, he was soon replaced by faster, more agile, and more powerful competitors, because competitors have more solid project budgets. , More perfect marketing strategies and greater sales channels. These competitors reduce competitive prices by increasing production. Despite this, Optronics has won some success in the market due to its high quality and good performance.

Does this happen in the CTP market? It is still hard to say now. It has been estimated that in the past one or two years, about 20 to 30 sets of CTP systems have been sold. This shows that the CTP technology itself is still in development, and it is only in the early adoption stage, and the investment recovery rate is still a problem.

However, Optronics did not take an exciting start. Optronics has the opportunity to involve the grassroots and gain the support of more original equipment manufacturers (OEMs). His second-generation products, Eos and Aurora, have been specially designed to provide flexibility and configuration for more OEMs and retailers. To help them solve different CTP (Film Imaging) applications. In addition, Optronics continues to win market success by producing high quality products.

In addition to the 1995 introduction of Optronics' products, we hope to see more events in the CTP area at Drupa. At the same time, Optronics' goal is to continue to improve its products, increase efficiency and output, retain its flexibility and agility, and continue to maintain technical advantages.

Arlene E.Karsh
Mike Zembko, who is responsible for Optronics Engineering at Chelmsford, is a deified. In Greek deification, Eros is the name of a goddess of the dawn, and Aurora is the name of the goddess of dawn in the Roman deification.

For those who did not participate in the newspaper market in the early 1980s, Charlie Gallagher was regarded as the father of CTP because of his contribution to Observer-Dispatch and Daily Press of Utica in New York. Charise Gallagher was the first to use direct-platemaking technology in his own newspapers using the Hastech grouping system, the Eocom RIP, and the corresponding platesetter. Although some versions use direct platemaking technology, the project was soon cancelled.

PPI has only selected Fuji's products for the past seven years. However, when PPI was preparing to install CTP, Fujifilm did not release the appropriate plate, so PPI chose DuPont-Howson's Silverlith plate for its CTP operation.

PPI chose the DuPont plate through Optronics because Optronics had a good relationship with DuPont and conducted an in-depth test of DuPont's Silverlith plate. PPI also tested Fuji's plate, but the result was not decisive. The processor itself is inconvenient (it requires a lot of space, including a stove for drying the exposed plates) and Fujifilm did not launch their products on the market.

Silverlith's Silverlith plates from DuPont have been on the market for two years! This plate is coated with a silver halide ruthenium coating and treated with electrochemical microparticles and anodized aluminum. Using an argon ion (blue) laser exposure system, the plate has a sensitivity of 7 microjoules/cm2 at 488 nm. According to DuPont, the imaging speed of this plate is almost the same as that of blue-sensitive film, and the plate can be used on any type of argon-ion laser platesetter, including from Crosfiels, Purup, Gerber, Optronics, Strobbe, Creo. , Komori, Misomex, Scitex, Krause and other companies' platform, inner drum, and outer drum platemaking machines.

There are four platemaker sizes: 70, 85, 105, and 150 cm wide (ie, 28, 31, 41, 60 inches). In addition to being used on CTP equipment, Silverlith plates can also be exposed directly on flip-up photography and dispensing systems. Therefore, the plate can work in a mixed workflow that is not fully data.

Silverlith's prints average up to 150,000 prints and can support up to 400,000 impressions. In high-quality color applications, the plate can support 300 lines of screens at an imaging resolution of 4000 dpi. (In order to pursue the output, you can choose lower imaging resolution and 200 screen lines)

Worldwide, more than 100 printers have selected DuPont's Silverlith media. Most of these companies are in Europe because the plates were first introduced in Europe. About 20 of them have installed the CTP system to produce different products, including magazines, forms, commercial color prints, maps, invitations and so on.

The Silverlith plate was processed using a special Howson Silverlith SLT developer (an application of the Howson Sutolith plate developer) that operates in the darkroom and daylight. The plate passes through the most basic four steps: development (similar to a fast chemical developer), rinsing, plate revision, and drying.

Price issues The price of the plate and how it affects the customer's investment recovery rate is still an open question. Neither PPI nor DuPont told us that the PPI paid for the media. We only know that the current PPI purchases for their CTP projects are so small that it is difficult to reflect the current status of ordinary customers. "International Auto", the only magazine entirely using Silverlith's media, requires 48 plates per month.

In addition, PPI also wastes some media in the process of testing - testing other magazines, press calibration. In fact, we were told that more plates were used during the testing than were actually used. It is predicted that in the next six months, the price will decrease as the plate production increases.

Environmental Protection Due to the awareness of the environmental issues of silver and other chemical components in the process of using Silverlith plates, DuPont has specially set up a course to help customers collect and dispose of wastes from the production process. These include used developer solutions and repairs. Liquid, fountain solution, and filter cartridges on the developer.

A Silverlith environmental kit includes containers for collection of waste and appropriate labels. If printers cannot find proper equipment to handle waste, they can call DuPont's environmental experts and the experts will advise on how to install Silverlith waste equipment. The purpose of this course is to help customers minimize the amount of waste collected and make the waste disposal process more economical and reasonable.

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