A brief history of the development of image-making techniques

In the mid-nineteenth century, with the advent of cotton wet-film and glass screens, image-making technology gradually formed a series of four major processes including photocopying, revision, printing, and printing, which can achieve continuous image reproduction. Image reproduction process pattern. In the 1920s, China began to introduce and apply lithographic photolithography technology. In the early 1970s, the introduction of electronic extensions began. Through the hard work of several generations, we gradually created an electronic color separation platemaking process with Chinese characteristics and systems. The post-image platemaking process has gone through roughly three stages of development.

A wet gelatin gelatin to gelatin production process

In the process stage, improving the quality and speed of color reproduction is the core, and full use is made of photographic means to reduce the manual trimming so that the platemaking process achieves a three-fold-two-turn transition, supplemented by a photographic correction-based masking process.

Two direct screen color separation process and electronic color separation process

In the early 1960s, with the continuous deepening of the research on printing technology, the creation and improvement of new equipment and new materials, image lithography formed a complete "hanging" process, and took the mask correction as the main means, replacing the long-term Since the manual revision of the dominant position, and quickly promoted throughout the country. After 1972, China began to introduce electronic color separation machines from abroad. As the electronic color separation machines use advanced photoelectric technology, electronic technology, and computer technology, electronic masks are used instead of photomasks, so data-based, standardized, and The electronic color separation platemaking process, which is standardized as the core, breaks the monopoly position of the “hanging” process, and forms a new plate-making pattern that combines both processes.

Three-electron color separation process

With the development of science and technology and the application of high and new technology, the function of the electronic color separation machine is improving day by day. Because electronic color separation and plate making can meet the technical and technological characteristics and artistic expectations of different manuscripts, and it has the characteristics of integrity, scientificity, and systematicness, it has gradually eliminated the “hanging” process. After entering the 1980s, electronic color separation and plate making has become the main technical means of image platemaking, and established a standardized management system of color reproduction based on color reproduction theory and printability theory, which is a new process for various image plate making The development has opened up broad prospects.