Tadashi Yamamoto, Masatoshi Nakanishi, Takaya Nagahata, "Latest New Technology of Thermal Printhead" in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP21), 2005, pp 203 - 206, https://doi.org/10.2352/ISSN.2169-4451.2005.21.1.art00058_1