作为智能家居和智能楼宇的排头兵,智能门禁对于加强人员管理和安全防范等具有重要作用。本文采用Bluetooth(蓝牙)4.0无线技术设计一种高可靠性、高效便捷的智能门禁终端,完成语音、数据同传和处理,给出了详细的硬件描述。通过以太网接口可有机接入智能家居或智能楼宇系统,操作简单、成本低。实际运行结果表明终端稳定可靠,能有效对门禁进行控制。
THE STUDY OF THE IMPURITY IN HK FILM Yingming Liu 1* , Qiuming Huang1, and Haifeng Zhou1 1 ShanghaiHuali Microelectronics Corporation 568 GaosiRd., Pudongdistrict, Shanghai,China *Corresponding Author ’sEmail: liuyingming@hlmc.cn ABSTRACT As CMOS size scaling down, HKMG was introduced into CMOS manufacture process to replace Poly-SiON scheme earlier at 45nm node. In many HK materials, HfO2 was fin