Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

China Special Equipment Inspection and Research Institute

China Special Equipment Inspection Group Co., Ltd.

China Institute of Building Standard Design & Research

Yang Zheng

Feng Qu

Peng Gao

Jia Fang

Gongtian Shen

Yanzhao Li

Chunxin Li

Juan Li

Hai Yu

Xiyuan Wang

Yafei Zhang

Xinping Wang

Shiqiao Zhang

Cheng Pan

Qingchuan Pan

Qingli Qi

Yilin Yuan

Wenbin Luo

Zongjian Zhang

Jidong Tan

Jiachen Wang

Sujun Li

Bichuan Chi

Boru Chen

The present disclosure provides methods for preparing magnetostrictive powder and magnetostrictive coating, and relates to the field of magnetic functional materials and preparation thereof. The method for preparing magnetostrictive powder includes putting metals for preparing magnetostrictive powder into a vacuum melting furnace to be melted into a solution; and atomizing the solution into fine droplets by ultrasonic atomization, so that the fine droplets are cooled and solidified into magnetostrictive powder. In the method for preparing magnetostrictive powder according to the embodiments of the present disclosure, the sizes of the prepared powder are relatively uniform, the powder yield exceeds 90%, the ultrasonic atomization energy consumption is low, and energy is saved by about ¼ compared with conventional atomization.

Methods for preparing magnetostrictive powder and magnetostrictive coating

An antenna, an antenna array and an electronic device are provided and belong to the field of communication technology. The antenna includes a first substrate, a second substrate, and a tunable dielectric layer. The first substrate includes a first dielectric substrate and a first electrode layer on a side of the first dielectric substrate close to the tunable dielectric layer; the second substrate includes a second dielectric substrate and a second electrode layer on a side of the second dielectric substrate close to the tunable dielectric layer. The second electrode layer includes a signal electrode, and at least one first branch and at least one second branch electrically connected to the signal electrode; the at least one first branch and the at least one second branch are respectively on two sides of an extending direction of the signal electrode.

Antenna, antenna array and electronic device

An antenna unit, a manufacturing method thereof, a display device, and an electronic apparatus. The antenna unit includes a radiation main body, at least one feed line, and a plurality of grounding portions. The at least one feed line and the radiation main body are electrically connected, the radiation main body, the at least one feed line, and the plurality of grounding portions are provided in a same layer.

Antenna unit and manufacturing method thereof, display device, and electronic apparatus

The present disclosure provides a phase shifter and an antenna, and relates to the field of communication technology. The phase shifter provided by the embodiment of the present disclosure is divided into a first feeding region, a second feeding region and a phase-shift region. The phase shifter includes: a first substrate and a second substrate provided opposite to each other, a dielectric layer provided between the first substrate and the second substrate, and a first feeding structure and a second feeding structure. The first feeding structure is electrically coupled to one end of the signal line, and the second feeding structure is electrically coupled to the other end of the signal line. The first feeding structure is located in the first feeding region; and the second feeding structure is located in the second feeding region. Recesses are formed in the first base substrate and/or in the second base substrate.

Phase shifter and antenna

An antenna includes: a dielectric layer having first and second surfaces opposite to each other; a radiating layer on the first surface, and having therein a slit; a first shielding layer on the second surface, and being electrically connected to the radiating layer; a first insulating layer on an upper side of the radiating layer; and a switch unit on an upper side of the first insulating layer, and corresponding to the slit. Each switch unit includes: a first electrode, a second insulating layer, a connecting portion, and a second electrode on the first insulating layer sequentially. Orthogonal projections of the first and second electrodes on the dielectric layer overlap each other. The connecting portion is connected to the second electrode to form a gap between the first and second electrodes. Orthogonal projections of the second electrode and a corresponding slit on the dielectric layer overlap each other.

Antenna and communication apparatus

The disclosure discloses a method, apparatus and system for detecting multi-mode electromagnetic acoustic and magnetic flux leakage and a sensor. The method comprises: S, receiving an operation instruction for detecting an object to be detected, the operation instruction is used for controlling a detection sensor to enter into any one or more of working modes as follows: magnetic flux leakage detection, ultrasonic bulk wave detection, ultrasonic guided wave detection and surface wave detection; S, controlling the detection sensor to output a corresponding detection signal according to the operation instruction; and S, detecting the object to be detected on the basis of the detection signal. The technical solution achieves a purpose of using one sensor to realize various detection modes, such as magnetic flux leakage and electromagnetic acoustic modes, reduces complexity and cost of a detection system, and improves detection efficiency.

Method, apparatus, system and sensor for detecting multi-mode electromagnetic acoustic and magnetic flux leakage

Growing community of inventors

Beijing, China

Yang Zheng