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    • 1. 发明授权
    • IC card and method of using IC card
    • IC卡和使用IC卡的方法
    • US06742117B1
    • 2004-05-25
    • US09341697
    • 1999-07-26
    • Junichi HikitaYoshihiro IkefujiToyokazu Komuro
    • Junichi HikitaYoshihiro IkefujiToyokazu Komuro
    • G06K1900
    • G07F7/1008G06F12/1408G06F2211/007G06Q20/341G06Q20/355
    • A private key write control unit (48) permits writing of a private key just once into a private key storage unit (36) after initialization. Similarly, a particular data write control unit (42) permits writing of particular data only once into a data storage unit (34) after initialization. Since a person other than the IC card manufacturer can write in a private key or particular data after the fabrication stage of the IC card, flexibility in the application of IC cards can be ensured. Also, improper usage of a card can be prevented since the written data is inhibited of being rewritten. The IC card manufacturer can initialize the data storage unit (34) and the private key storage unit (36) by a data initialization unit (44) and a private key initialization unit (46). Therefore, the cost of an IC card can be reduced by allowing reusage of IC cards.
    • 私钥写入控制单元(48)允许在初始化之后将私钥写入私钥存储单元(36)。 类似地,特定数据写入控制单元(42)允许在初始化之后将特定数据仅写入数据存储单元(34)。 由于IC卡制造商以外的人员可以在IC卡的制造阶段之后写入私钥或特定数据,所以可以确保应用IC卡的灵活性。 此外,可以防止卡的不正确使用,因为禁止写入的数据被重写。 IC卡制造商可以通过数据初始化单元(44)和专用密钥初始化单元(46)来初始化数据存储单元(34)和专用密钥存储单元(36)。 因此,可以通过重新使用IC卡来降低IC卡的成本。
    • 6. 发明授权
    • Liquid developing method of printed wiring board
    • 印刷电路板液体显影方法
    • US06551753B1
    • 2003-04-22
    • US09550310
    • 2000-04-14
    • Masanori NatsukaYasuo KanedaMunetoshi IrisawaToyokazu KomuroNoritaka InoueKenji Hyodo
    • Masanori NatsukaYasuo KanedaMunetoshi IrisawaToyokazu KomuroNoritaka InoueKenji Hyodo
    • G03G1310
    • G03G13/22H05K3/065
    • There is disclosed a liquid developing method of a printed wiring board using a one-surface stepwise developing system which forms a resist pattern stepwisely according to an electrophotographic reverse developing method on each surface of a material to be developed obtained by forming photo-conductive layers on both surfaces of a both-surfaces copper-clad laminated board, wherein the method comprises the steps of subjecting to a static charging treatment on a surface to which no electrostatic latent image is formed which surface is positioned opposing to an electrostatic latent image-formed surface which is a surface to be exposed, or to a non-developing surface between completion of an exposure treatment and before a liquid toner developing treatment, and subjecting to the liquid toner developing treatment to form a toner image corresponding to the resist pattern on the electrostatically latent image-formed surface.
    • 公开了一种使用单面逐步显影系统的印刷电路板的液体显影方法,所述单面逐步显影系统根据电子照相反显影方法在通过在其上形成光导层获得的待显影材料的每个表面上逐步形成抗蚀剂图案 两面覆铜层压板的两面,其特征在于,所述方法包括以下步骤:在不与静电潜像形成表面相对的表面上形成没有静电潜像的表面进行静电充电处理 即在曝光处理完成之前和在液体调色剂显影处理之前的待曝光表面或非显影表面,以及进行液体调色剂显影处理以在静电上形成对应于抗蚀剂图案的调色剂图像 潜像形成表面。