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    • 1. 发明授权
    • Photomask manufacturing method and semiconductor device manufacturing method
    • 光掩模制造方法和半导体器件制造方法
    • US07904851B2
    • 2011-03-08
    • US11878580
    • 2007-07-25
    • Masamitsu ItohTakashi HiranoKazuya Fukuhara
    • Masamitsu ItohTakashi HiranoKazuya Fukuhara
    • G06F17/50G03F1/00
    • G06F17/5081G03F1/50
    • This invention discloses a photomask manufacturing method. A pattern dimensional map is generated by preparing a photomask in which a mask pattern is formed on a transparent substrate, and measuring a mask in-plane distribution of the pattern dimensions. A transmittance correction coefficient map is generated by dividing a pattern formation region into a plurality of subregions, and determining a transmittance correction coefficient for each of the plurality of subregions. The transmittance correction value of each subregion is calculated on the basis of the pattern dimensional map and the transmittance correction coefficient map. The transmittance of the transparent substrate corresponding to each subregion is changed on the basis of the transmittance correction value.
    • 本发明公开了一种光掩模制造方法。 通过准备其中在透明基板上形成掩模图案并测量图案尺寸的掩模面内分布的光掩模来生成图案尺寸图。 通过将图案形成区域划分为多个子区域,并且确定多个子区域中的每个子区域的透射率校正系数来生成透射率校正系数图。 基于图案尺寸图和透射率校正系数图计算每个子区域的透射率校正值。 基于透射率校正值改变对应于每个子区域的透明基板的透射率。
    • 2. 发明申请
    • PHOTOMASK MANUFACTURING METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD
    • 光电子制造方法和半导体器件制造方法
    • US20100209829A1
    • 2010-08-19
    • US12770062
    • 2010-04-29
    • Masamitsu ItohTakashi HiranoKazuya Fukuhara
    • Masamitsu ItohTakashi HiranoKazuya Fukuhara
    • G03F1/00
    • G06F17/5081G03F1/50
    • This invention discloses a photomask manufacturing method. A pattern dimensional map is generated by preparing a photomask in which a mask pattern is formed on a transparent substrate, and measuring a mask in-plane distribution of the pattern dimensions. A transmittance correction coefficient map is generated by dividing a pattern formation region into a plurality of subregions, and determining a transmittance correction coefficient for each of the plurality of subregions. The transmittance correction value of each subregion is calculated on the basis of the pattern dimensional map and the transmittance correction coefficient map. The transmittance of the transparent substrate corresponding to each subregion is changed on the basis of the transmittance correction value.
    • 本发明公开了一种光掩模制造方法。 通过准备其中在透明基板上形成掩模图案并测量图案尺寸的掩模面内分布的光掩模来生成图案尺寸图。 通过将图案形成区域划分为多个子区域,并且确定多个子区域中的每个子区域的透射率校正系数来生成透射率校正系数图。 基于图案尺寸图和透射率校正系数图计算每个子区域的透射率校正值。 基于透射率校正值改变对应于每个子区域的透明基板的透射率。
    • 9. 发明授权
    • Authentication system, network line concentrator, authentication method and authentication program
    • 认证系统,网络集线器,认证方式和认证方案
    • US08209529B2
    • 2012-06-26
    • US11179602
    • 2005-07-13
    • Takashi HiranoAtsushi NunomeHiroaki HirataKiyoshi Shibayama
    • Takashi HiranoAtsushi NunomeHiroaki HirataKiyoshi Shibayama
    • H04L29/06
    • H04L63/08
    • A DHCP server 8 dispenses an IP address in response to a request from a terminal equipment 1. An authentication server 3 receives an authentication frame transmitted from the terminal equipment 1 using the dispensed IP address as a sender address and authenticates the terminal equipment 1. Upon completion of authentication, the authentication server 3 informs a registration information database 22 of an authentication hub 2 of communication permission for the terminal equipment 1. In the authentication hub 2, a frame receiving circuit 21 receives a transmission frame transmitted from the terminal equipment 1. The authentication hub 2 refers to the registration information database 22 on the basis of sender information of the transmission frame, determines transmission, rewriting-and-transmission, or discarding for the frame, and sends the transmission frame to a transmission buffer 23 if transmission or rewriting-and-transmission is permitted for the frame.
    • DHCP服务器8响应于来自终端设备1的请求来分配IP地址。认证服务器3使用分配的IP地址作为发送者地址接收从终端设备1发送的认证帧,并对终端设备1进行认证。 认证服务器3向认证中心2的登记信息数据库22通知终端设备1的通信许可。在认证集线器2中,帧接收电路21接收从终端设备1发送的传输帧。 认证集线器2基于发送帧的发送者信息来参考注册信息数据库22,确定发送,重写和发送,或丢弃该帧,并且如果发送或发送,则将发送帧发送到发送缓冲器23 框架允许重写传输。