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    • 4. 发明授权
    • Ultra thin bumped wafer with under-film
    • 带薄膜的超薄凸起晶圆
    • US07838391B2
    • 2010-11-23
    • US11745045
    • 2007-05-07
    • Junghoon ShinSangho LeeSungyoon Lee
    • Junghoon ShinSangho LeeSungyoon Lee
    • H01L21/30H01L21/46
    • H01L21/78H01L2224/16225H01L2224/32225H01L2224/73104H01L2224/73204H01L2924/00011H01L2924/00014H01L2924/00H01L2224/0401
    • A semiconductor device begins with a wafer having a plurality of bumps formed on a surface of the wafer. An under-film layer is formed over the wafer to completely cover all portions of the bumps with the under-film layer. An adhesive layer is formed over the under-film layer. A support layer is attached over the adhesive layer. A back surface of the wafer undergoes grinding. The support layer provides structural support to the wafer. The support layer is removed to expose the adhesive layer. The adhesive layer is removed to expose the under-film layer. The wafer is singulated into semiconductor die. The semiconductor die is mounted to a substrate by applying force to a back surface of the semiconductor die to press the bumps through under-film layer to contact the substrate while the under-film layer provides an underfill between the semiconductor die and substrate.
    • 半导体器件开始于在晶片的表面上形成有多个凸块的晶片。 在晶片之上形成底膜层,以完全覆盖具有底膜层的凸块的所有部分。 在底膜层上形成粘合剂层。 支撑层附着在粘合剂层上。 晶片的后表面进行研磨。 支撑层为晶片提供结构支撑。 去除支撑层以暴露粘合剂层。 去除粘合剂层以暴露底膜层。 将晶片分成半导体芯片。 通过向半导体管芯的背面施加力将半导体管芯安装到基板上,以通过底膜层将凸块按压以接触基板,同时底膜层在半导体管芯和基板之间提供底部填充。
    • 9. 发明授权
    • Methods and apparatuses for providing DRM interoperability
    • 提供DRM互操作性的方法和设备
    • US08386799B2
    • 2013-02-26
    • US12630646
    • 2009-12-03
    • Jong KimSangho LeeHeejin Park
    • Jong KimSangho LeeHeejin Park
    • G06F21/00
    • G06F21/10G06F2221/0728
    • Methods and apparatuses for providing DRM interoperability are provided. Proxy re-encryption technique using bilinear map is used, and the same content can be used in different devices. According to the method of providing DRM interoperability includes in proxy agent with respect to digital rights management (DRM) service providers and device which supports predetermined DRM, first DRM service provider, second DRM service provider, the proxy agent, and the device identify each other, and proxy re-encrypt an interoperable content (IC) and provide the IC to the device. The IC is second-level encrypted by using a key of the first DRM service provider, and the proxy re-encryption is performed by using a proxy key generated from proxy key information provided from the first DRM service provider and the second DRM service provider. Therefore, a problem in which interoperability cannot be guaranteed since a DRM technique depends on a service provider is resolved.
    • 提供了提供DRM互操作性的方法和设备。 使用双线性映射的代理重新加密技术,相同的内容可以在不同的设备中使用。 根据提供DRM互操作性的方法,其包括关于数字权限管理(DRM)服务提供商的代理代理和支持预定DRM的设备,第一DRM服务提供商,第二DRM服务提供商,代理代理和设备彼此识别 ,并且代理重新加密可互操作的内容(IC)并将IC提供给设备。 IC通过使用第一DRM服务提供商的密钥进行二级加密,并且通过使用从第一DRM服务提供商和第二DRM服务提供商提供的代理密钥信息生成的代理密钥来执行代理重新加密。 因此,解决了DRM技术取决于服务提供商的互操作性不能保证的问题。