Canon recently released the "PIXUS" series of seven inkjet printers. Includes 4 MFPs and 3 single-function printers, which will be available in early October 2005. Among them, 6 models use a new nozzle with a minimum of 1 pl of ink droplets, achieving a resolution of up to 9600 x 2400 dpi. In the company's old product, the smallest droplet is 2pl, and the highest resolution is 4800Ã—2400 dpi.
Canon has set a goal to ensure a 50% market share in the fourth quarter of 2005 in Japan's home printer market, reaching 47% throughout the year. At the press conference, Canon highlighted its advantages for Seiko Epson, which competes for the share of home printers. One is to use its own semiconductor exposure equipment (step-by-step exposure equipment) in the production of nozzles, and the second is to apply the image processing technology developed in the copier business to home printers, especially multifunction ones.
The number of nozzles increases to about 2 times
A nozzle with a resolution of 9600Ã—2400 dpi was realized, and two kinds of nozzles of dye ink (6 colors or 4 colors) and pigment ink (single black) were formed on a single chip. The 9 Î¼m aperture nozzle and ink channel are formed using photolithography.
Canon has been using lithography to produce nozzles since the second half of the 1990s. "Other competitors' mechanical processing methods have limits in technology," emphasizing their technological advantages. The nozzle developed this time uses i-ray exposure equipment in production. The device has become the core device for the production of 0.35Î¼m process chips. The KrF and ArF models that the exposure equipment can perform more advanced micromachining have reached practical levels, and in the production of nozzles, it is learned that the i-line model is sufficient. "Because the particles of 1pl have reached the visual limit of human beings. There is no need to further reduce the droplet size" (clean water). The focus of this development will be on speed.
In order to avoid increasing the printing time with increased resolution, the new product has increased the nozzle arrangement width (nozzle length). From the point of view of MP500, the main product of the all-in-one, the nozzle length of the dye ink is increased by approximately 2 times (about 0.43 inches) compared to the same grade product launched in the fall of 2004, and the nozzle length of the pigment ink is increased to approximately 1.6 times (about 0.85 inches). Each color head (a total of 7 colors) has 512 nozzles. The number of nozzles for the old product was 1,856, while the number of nozzles for the MP500 was 3,584, an increase of nearly 1 times. Canon emphasized that compared with the use of piezoelectric elements to form nozzles, "the increase in the number of nozzles does not increase the cost too much" is regarded as one of the advantages of lithography.
Using copier technology for copying
According to a survey of Canon product users, more than half of users stated that â€œwhen replacing, we plan to choose the All-in-One. The most needed function in the All-in-One is the 'copying' of photos and documentsâ€. The Canon image processing technology developed for copiers is applied to the copy function.
One is the â€œimage domain separation technologyâ€ that distinguishes text from image content. Specifically, it means that the text read by the scanner is automatically discriminated between the text and the image, and the text portion is printed out with clear black pigment ink. In addition, in the copying of the original copy again, ie, "secondary copying," the boundary line of the text and the like can still be clearly maintained. The details were not announced, but it is learned that this function benefits from the identification and reproduction of text and the use of pigment ink. In addition, it is equipped with a function of automatically determining the original and taking appropriate image processing measures, such as whitening the background when copying the newspaper and reducing the effect of the background when copying the magazine.
Source: Nikkei BP
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