Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ueda Kazuhiko and Takagi Yuichi and Ohke Hajime and Koyama Michio and Wataya Yukinobu and Hojo Jun-ichi,Solid State Imaging Techniques. Development of a Micro CCD Imaging Unit with a Built-in Lens.,The Journal of The Institute of Image Information and Television Engineers,13426907,The Institute of Image Information and Television Engineers,1997,51,2,241-247,https://cir.nii.ac.jp/crid/1390001205099391488,https://doi.org/10.3169/itej.51.241