Wistron Neweb Corporation

Tmy Technology Inc.

Uwiz Technology Co., Ltd.

Chang Chun Plastics Co., Ltd.

Wen-Tsai Tsai

Yang Tai

Su-Wei Chang

Shao-Chun Hsu

Chueh-Jen Lin

Jiun-Wei Wu

Chien-Tse Fang

Wei-Yang Chen

Po-Chia Huang

Shun-Chung Kuo

Yu-Cheng Lin

Song-Yuan Chang

Tzu-Chieh Hung

Ming-Hui Lu

Tsan-Chou Wu

Ta-Jen Wu

Wen-Chen Lan

Kuen-Yuan Hwang

Che-Ming Wang

An-Pang Tu

Hong-Hsing Chen

Chi-Yi Ju

Chih-Chang Ko

Po-Yuan Shen

Ying-Ling Liu

Han-Ti Chuang

Wei-Jung Chen

An-Ting Hsiao

Ying-Yen Lu

Te-Liang Sun

Guo-Zhen Su

Chen-Yueh Chen

Yu-Chi Fu

Yu-Feng Lee

Ho-Ying Wu

Tzu-Wen Chiang

Yu-cheng Lin

Tsu-Wen Chiang

A broadband linear polarization antenna structure, including a reference conductive layer, a first patch antenna, a second patch antenna, and a feeding portion, is provided. The reference conductive layer includes through holes. A first short pin is connected between the reference conductive layer and the first patch antenna, and a second short pin is connected between the first patch antenna and the second patch antenna. Each feeding portion penetrates the reference conductive layer through the through hole and is coupled to the first patch antenna.

Broadband linear polarization antenna structure

An antennas-in-package (AiP) verification board is provided, which includes a carrier board configured for disposing an antenna array or an electronic circuit; and a plurality of SMPM connectors. The plurality of SMPM connectors are arranged in an array on the carrier board and electrically connected with the antenna array or the electronic circuit of the carrier board for testing the characteristics of the antenna array on the carrier board or the characteristics of the electronic circuit on the carrier board. The AiP verification board is fixed on a beamforming test platform. In addition to the aforementioned AiP verification board, an AiP verification board including a plurality of adaptor structures and an AiP verification board including a plurality of connectors and a plurality of adaptor structures are also provided.

Antennas-in-package verification board

Provided is a rapid over-the-air (OTA) production line test platform, including a device under test (DUT), an antenna array and two reflecting plates. The DUT has a beamforming function. The antenna array is arranged opposite to the DUT, and emits beams with beamforming. Two reflecting plates are disposed opposite to each other, and are arranged between the DUT and the antenna array. The beam OTA test of the DUT is carried out by propagation of the beams between the antenna array, the DUT and the two reflecting plates. Accordingly, the test time can be greatly shortened and the cost of test can be effectively reduced. In addition to the above-mentioned rapid OTA production line test platform, platforms for performing the OTA production line test by using horn antenna arrays together with bending waveguides and using a 3D elliptic curve are also provided.

Rapid over-the-air production line test platform

The disclosure provides an ultra-wideband non-metal horn antenna, which includes three combinable non-metal elements such as an impedance matching member, a field adjustment member and an outer cover member. The impedance matching member and the field adjustment member are respectively disposed with a first and second groove structures. The field adjustment member is connected between the impedance matching member and the outer cover member. Therefore, the horn antenna of the disclosure can have a more symmetrical radiation pattern, a smaller antenna size, and ultra-wideband performance.

Ultra-wideband non-metal horn antenna

An optical and electrical hybrid beamforming transmitter, receiver, and signal processing method are provided. The transmitter includes, but is not limited to, two photoelectric converters, two adjusting circuits, and an antenna array. The photoelectric converter converts an optical signal into an initial electric signal, respectively. The adjusting circuit is coupled to the photoelectric converter, and are adapted for delaying the initial electric signal according to an expected beam pattern formed by the antenna array, respectively, to output an adjusted electric signal. The antenna array includes two antennas that are coupled to the adjusting circuit. The antenna radiates electromagnetic wave according to the adjusted electric signal. Accordingly, a phase of the signal may be adjusted, and the number of the elements may be reduced.

Optical and electrical hybrid beamforming transmitter, receiver, and signal processing method

A transition structure for millimeter wave is provided. The transition structure includes a first layer signal element coupled to an end of a first transmission line and a plurality of first layer ground elements surrounding the end of the first transmission line equidistantly from the end of the first transmission line and disposed along two opposite sides of a strip body of the first transmission line equidistantly from the strip body of the first transmission line. The transition structure further includes an intermediate layer signal element coupled to the first layer signal element and a plurality of intermediate layer ground elements surrounding the intermediate layer signal element quasi-coaxially. A multilayer transition structure including a multilayer structure and the transition structure is also provided. Therefore, the problem of operating frequency caused by the thickness of the multilayer structure can be overcome, thereby increasing the resonance frequency of the multilayer structure.

Transition structure for coupling first and second transmission lines through a multi-layer structure and including a cavity corresponding to the second transmission line

A wireless signal transmission device is provided. The wireless signal transmission device includes a reflective surface and a receiver. The reflective surface reflects a wireless signal. The receiver receives the wireless signal reflected. The receiver includes a receiver body, a wave guide, a transmission unit and a medium sheet. The wave guide includes an opening end and a connection end connected thereto. The transmission unit is disposed in the wave guide adjacent to the connection end for receiving the wireless signal. The medium sheet is disposed in the wave guide, wherein the medium sheet comprises a first section and a second section, the first section is adjacent to the transmission unit, the second section is adjacent to the opening end, the first section has a first dielectric constant, the second section has a second dielectric constant, and the first dielectric constant is smaller than the second dielectric constant.

Wireless signal transmission device and signal receiver with a wave guide including a medium sheet with first and second sections having different dielectric constants

A cleaning composition is provided. The cleaning composition includes at least one polyamino-polycarboxylic acid or at least one salt thereof, at least one solvent, at least one substituted or non-substituted phenethylamine and water. The solvent is selected from a group consisting of glycols.

Cleaning composition and cleaning method using the same

Provided is a polishing slurry composition, including a non-ionic surfactant represented by the following formula (1)R&#x2014;(OCHCH)&#x2014;OH&#x2003;&#x2003;formula (1)wherein x is an integer from 1 to 50, and R is selected from a group consisting of a C3-C50 alkyl group, a C6-C55 benzylalkyl group and a C6-C55 phenylalkyl group.

Polishing slurry composition

A one input to four output power divider is operable in a specified frequency band, and includes a first microstrip power divider, a first quarter-wavelength microstrip which has an end coupled electrically to one output terminal of the first microstrip power divider, a second microstrip power divider which has an input terminal coupled electrically to another end of the first quarter-wavelength microstrip, a second quarter-wavelength microstrip which has an end coupled electrically to the other output terminal of the first microstrip power divider, and a third microstrip power divider which has an input terminal coupled electrically to another end of the second quarter-wavelength microstrip.

One input to four output power divider

A slurry composition has an amount of 100% and includes abrasives, an acid-base pH adjustor, an oxidant and water. A content of the abrasives is 10 wt % to 40 wt %, and a polydisperse index of the abrasives sizes is greater than 1.8. A content of the acid-base pH adjustor is 0.01 wt % to 10 wt %. A content of the oxidant is 0.01 wt % to 10 wt %. A remaining portion of the slurry composition is water.

Slurry composition and method of fabricating damascene structure using the same

A radio frequency device is disclosed, which includes an isolation substrate, a ground layer, a first signal end, a second signal end, a radio frequency circuit, and an impedance unit. The isolation substrate includes a first plane and a second plane. The ground layer is disposed on the second plane of the isolation substrate for providing grounding. The first signal end is formed on the first plane of the isolation substrate. The second signal end is formed on the first plane of the isolation substrate and coupled to the ground layer. The radio frequency circuit is disposed on the first plane of the isolation substrate and coupled to the first signal end. The impedance unit is disposed on the first plane of the isolation substrate and coupled to the first signal end and the second signal end.

Radio frequency device

An LNBF is disclosed. The LNBF includes a housing, a spacer, down-converter circuit, and an F-connector. The spacer is disposed on the housing, wherein a hole is formed on the spacer. The down-converter circuit board is disposed between the housing and the spacer. The F-connector is disposed on the spacer and electrically connected to the down-converter circuit board via the hole.

Low noise block down-converter with integrated feed

A high isolation power divider is disclosed, which includes a substrate, a first split arm, a second split arm, a signal input unit, a connection unit, a ground layer, a slit. The signal input unit is coupled to the first split arm and the second split arm for receiving an input signal and dividing the input signal to the first split arm and second split arm. The connection unit is coupled to the first split arm and the second split arm, wherein the connection unit, the first split arm, and the second split arm are deposited on a first plane of the substrate, and surround a first area. The ground layer is deposited on the second plane of the substrate for providing grounding. The slit is formed in the ground layer, wherein at least a part of the slit is formed within a second area corresponding to the first area.

High isolation power divider

Growing community of inventors

Taipei, Taiwan

Wen-Tsai Tsai