1 C. S. Rim, "Optical system design for laser scanning unit" 10 : 15-20, 1999
2 S. K. Hwang, "Multi beam laser diode and manufacturing method thereof, Korea Patent 10-0861238"
3 C. S. Rim, "Laser scanning unit with plastic fθ lenses featuring high resolution" 10 : 364-368, 1999
4 T. Naiki, "Laser beam scanning optical apparatus, US Patent 6,172,787"
5 K. Komiya, "Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method, US Patent 2007/0216753"
6 B. H. Choi, "Image forming apparatus and laser scanning method thereof, US Patent 2007/0002416"
1 C. S. Rim, "Optical system design for laser scanning unit" 10 : 15-20, 1999
2 S. K. Hwang, "Multi beam laser diode and manufacturing method thereof, Korea Patent 10-0861238"
3 C. S. Rim, "Laser scanning unit with plastic fθ lenses featuring high resolution" 10 : 364-368, 1999
4 T. Naiki, "Laser beam scanning optical apparatus, US Patent 6,172,787"
5 K. Komiya, "Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method, US Patent 2007/0216753"
6 B. H. Choi, "Image forming apparatus and laser scanning method thereof, US Patent 2007/0002416"