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    • 7. 发明授权
    • ID document structure with pattern coating providing variable security features
    • ID文件结构,带有图案涂层,提供可变的安全功能
    • US07866559B2
    • 2011-01-11
    • US12136681
    • 2008-06-10
    • Daoshen BiRobert JonesTung-Feng YehScott D. Haigh
    • Daoshen BiRobert JonesTung-Feng YehScott D. Haigh
    • G06K19/00
    • G06K19/00B32B2425/00B42D25/00B42D25/23B42D25/324B42D25/455B42D25/46B42D25/47G06K19/06046
    • A security feature for an identification document and method for making it provide layers of security, including, for example, tamper evidence, optically variable effects, and personalized information that links the security information to the document and its bearer. The feature is made by printing a first material representing first information on a core layer of the document. This first material at least partially overlaps the core layer. One example is Xerographic printing of information about the ID document applicant and the applicant's photo. The process also applies a second material representing second information adjacent to the first material. One example is ink jet printing of personal information with a UV curable ink in the form of a relief pattern on the core layer. Finally, the process applies a laminate layer over the core layer. The laminate layer covers the first and second materials. The first and second materials adhere differently to the laminate and core layers such that removal of the laminate layer from the core layer causes a separation of the first and second materials. The relief pattern is made to give the document a tactile feel as well as create optically variable effects.
    • 用于识别文档的安全特征和用于使其提供安全层的方法,包括例如篡改证据,光学可变效果和将安全信息链接到文档及其承载的个性化信息。 该特征是通过在文档的核心层上打印表示第一信息的第一材料来进行的。 该第一材料至少部分地与芯层重叠。 一个例子是静电印刷关于身份证件申请人和申请人照片的信息。 该过程还应用表示与第一材料相邻的第二信息的第二材料。 一个例子是在核心层上以浮雕图案形式的UV固化油墨喷墨打印个人信息。 最后,该过程在芯层上施加层压层。 层压层覆盖第一和第二材料。 第一和第二材料与层压体和芯层不同地粘附,使得从芯层去除层压层导致第一和第二材料的分离。 浮雕图案是为了使文档具有触感,并产生光学可变的效果。
    • 9. 发明申请
    • Stability of covert pigments
    • 隐蔽颜料的稳定性
    • US20060011730A1
    • 2006-01-19
    • US11140613
    • 2005-05-27
    • Daoshen BiRobert JonesJack Richardson
    • Daoshen BiRobert JonesJack Richardson
    • G06K19/00
    • G06K19/06046C09D11/037C09D11/322
    • A covert material for printing onto a printing medium is provided, the covert material comprising a covert pigment and a binder encapsulating the covert pigment into a particle, where the binder comprises at least one of cellulose acetate butyrate (CAB), butyral vinyl acetate, acetyl butyrate, and acetate butyrate. Alternatively, the binder comprises at least one of polyester, polyolefin, acetyl butyrate, acetate butyrate, polystyrene copolymer, and polystyrene-polyvinylpyridine. The covert material can comprise additional components, such as ethyl acetate and/or n-propyl acetate. In one embodiment, the covert pigment comprises about 0.5-5% of the covert material. In one embodiment, the binder comprises about 5-30% of the covert material. In one advantageous embodiment, the covert pigment comprises at least 2% of the covert material and the binder comprises about 20-25% of the covert material. The covert material can further comprise at least one of a colorant, a surface additive, and a magnetic particle. The covert material can be part of a toner or ink. In at least some embodiments, the particle can have many different sizes, including sizes greater than 1 micron, greater than 5 microns, and greater than 20 microns. In one embodiment, the covert printing material is constructed and arranged to be printed using a printer having a predetermined resolution, wherein the particle has a size that is substantially the same as the size of a single pixel or dot printed using the predetermined resolution. The covert material can be constructed and arranged to satisfy a predetermined number of the NCITS 322 tests.
    • 提供用于印刷到打印介质上的隐蔽材料,所述隐蔽材料包括隐蔽颜料和将所述隐蔽颜料包封成颗粒的粘合剂,其中所述粘合剂包含乙酸丁酸纤维素(CAB),丁缩醛乙酸乙烯酯,乙酰基 丁酸酯和乙酸丁酸酯。 或者,粘合剂包括聚酯,聚烯烃,丁酸乙酰酯,乙酸丁酸酯,聚苯乙烯共聚物和聚苯乙烯 - 聚乙烯吡啶中的至少一种。 隐蔽材料可以包含另外的组分,例如乙酸乙酯和/或乙酸正丙酯。 在一个实施方案中,隐蔽颜料包含约0.5-5%的隐蔽材料。 在一个实施方案中,粘合剂包含约5-30%的隐蔽材料。 在一个有利的实施方案中,隐蔽颜料包括至少2%的隐蔽材料,并且粘合剂包含约20-25%的隐蔽材料。 隐蔽材料可进一步包括着色剂,表面添加剂和磁性颗粒中的至少一种。 隐蔽材料可以是调色剂或墨水的一部分。 在至少一些实施方案中,颗粒可以具有许多不同的尺寸,包括大于1微米,大于5微米和大于20微米的尺寸。 在一个实施例中,隐形印刷材料被构造和布置成使用具有预定分辨率的打印机进行印刷,其中所述颗粒具有与使用预定分辨率打印的单个像素或点的尺寸基本相同的尺寸。 可以构造和布置隐蔽材料以满足预定数量的NCITS 322测试。