CN205092834U - 一种用于半导体刻蚀机的带通滤波器 - Google Patents
一种用于半导体刻蚀机的带通滤波器 Download PDFInfo
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CN116318039A (zh) * | 2023-03-13 | 2023-06-23 | 北京芯溪半导体科技有限公司 | 滤波器的拓扑结构、滤波器及通讯设备 |
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CN116318039A (zh) * | 2023-03-13 | 2023-06-23 | 北京芯溪半导体科技有限公司 | 滤波器的拓扑结构、滤波器及通讯设备 |
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Effective date of registration: 20200422 Address after: 100176 No. 8 Wenchang Avenue, Beijing economic and Technological Development Zone, Beijing, Daxing District Patentee after: BEIJING NAURA MICROELECTRONICS EQUIPMENT Co.,Ltd. Address before: 100000 No. 26, Tianzhu Road, A District, Tianzhu Airport Industrial Zone, Beijing, Shunyi District Patentee before: Beijing BBEF Science & Technology Co.,Ltd. |
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Effective date of registration: 20240722 Address after: 100176 4s01, 4th floor, building 1, No.8 courtyard, Wenchang Avenue, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Huacheng Electronics Co.,Ltd. Country or region after: China Address before: 100176 Beijing Daxing District Beijing economic and Technological Development Zone Wenchang Road 8 Patentee before: BEIJING NAURA MICROELECTRONICS EQUIPMENT Co.,Ltd. Country or region before: China |