Brief analysis of the technical characteristics of

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A brief analysis of the photosensitive and thermal characteristics of CTP (I)

CTP has been widely used in the printing industry in the past five years. During this period, the broad meaning also changed constantly: in the past, the company only thought about whether to adopt CTP, but now it thinks about the time and technology to adopt. This consideration leads to another question - which technology can benefit the company most

One of the characteristics of CTP is that its imaging technology is often innovated once in a short time. From 1990 to 1995, the blue argon ion laser built-in Cylinder plate making machine used by CTP was replaced by green fd-yag laser at drupa exhibition in 1995. Since 1998, the appearance of 830nm diode external thermal cylinder plate making machine has become a leading technology in the printing industry, which has an impact on the market of built-in Cylinder plate making machine. The newspaper industry still prefers the built-in drum and platform plate making machine with visible laser light source, so its market share reaches 90%. At Drupa2000, 405nm, the purple diode built-in drum plate making machine made a comeback and successfully retrieved the token of victory from thermal technology in the printing industry. In the same period, German company basysprint also developed a UV flat plate making machine that can project traditional touch plates. Esko graphics and Escher grad unveiled the future of computer direct printing (CTCP) plate making machine in drupa2004

various technologies have their advantages

nowadays, various technologies have their advantages and disadvantages. Thermosensitive workflow wins with stability and low cost, and can support a variety of plate making machines and plates. However, the newspaper industry and users of smaller formats also have a headache for the cost of plate making machine head, and the selection of thermal newspaper plate making machine is extremely insufficient. Eight years after the emergence of trendsetter, a computer direct plate making machine, the printing plate making machine has been under research by many laboratories, including all solid-state batteries. Market giant Creo launched a new generation of thermal plate making machine in 2004. Whether the process free thermal printing plate is a breakthrough or not, it is a great news for users of smaller formats

low cost purple diode

purple diode plate making machine has attracted many small companies and new CTP users due to its low cost. Through the use of Fuji and Lastra polymer materials, the types of printing plates are also constantly improved; The launch of IKE purple laser N91 will not be the last new purple printing plate. The third type of technology used in CTP is the digital image of traditional UV printing plate. Basysprint shows the productivity of this technology, and its resolution and printing number have also been improved since 2002. In fact, except for a few, CTCP technology has reached competitive quality. Even though its productivity of producing 115 plates per hour still needs to be improved, this technology is also accepted as a second choice by the newspaper industry

in drupa2004, there are also new developments in CTCP technology. A number of manufacturers are trying to abandon UV lamps (adopted by basysprint and Esko graphics) and use high-energy lasers for traditional digital plate imaging. At present, alfaquest leads the whole trend with modern Fastrak, and Escher grad and PerkinElmer also follow

Langsheng is also constantly investing in the development of Changzhou factory statement:

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