摘要:
A method for forming a conductive structure is disclosed, the method comprising the steps of: forming a metallic frame having a plurality of metal parts separated from each other; forming an insulating layer on the top surface of the plurality of metal parts; and forming a conductive pattern layer on the insulating layer for making electrical connections with at least one portion of the plurality of metal parts.
摘要:
A bottom feed cavity aperture antenna is provided. The bottom feed cavity aperture antenna includes a patch and a ground structure. The patch feeds a signal to the bottom feed cavity aperture antenna. The ground structure includes a continuous wall, and a top end and a bottom end, wherein the continuous wall surrounds the patch, a thickness of the ground structure is formed between the top end and the bottom end, a patch height is formed between the patch and the bottom end, and a ratio of the patch height to the thickness is substantially lower than 1/2, and a magnetic field is formed at the top end, and magnetic resonance directions of the magnetic field are parallel to a first axis.
摘要:
An electronic package structure is provided. The electronic package structure comprises a substrate, a first electronic element, and a second electronic element. The substrate includes a heat-dissipating plate and a circuit board disposed on the heat-dissipating plate. The first electronic element is disposed on the heat-dissipating plate and coupled to the circuit board. The second electronic element is disposed on the circuit board and coupled to the circuit board.
摘要:
An aperture antenna for transmitting a circularly polarized signal is provided. The aperture antenna includes an antenna substrate, a feed conductor and an antenna ground layer. The feed conductor is microstrip-fed or coplanar-wave-guide-fed. The antenna ground layer has an aperture, the aperture has a feed portion, a signal turning point, a first edge and a second edge, the first edge connects the feed portion to the signal turning point in a first direction, and the second edge connects the feed portion to the signal turning point in a second direction, the first direction is opposite to the second direction. When the aperture antenna transmits the circularly polarized signal, a traveling wave travels on the first edge, and at least one standing wave is formed on the second edge.
摘要:
An antenna module is provided for transmitting a wireless signal. The antenna module includes a reflective superstrate, an antenna substrate, a feed conductor, a ground layer and a reflective pattern. The reflective superstrate includes a third surface and a fourth surface, wherein the third surface is opposite to the fourth surface. The antenna substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. A feed conductor is disposed on the first surface. The ground layer is disposed on the second surface. The reflective pattern is formed on the third surface and faces the feed conductor, wherein a reflection gap d is formed between the reflective pattern and the ground layer, and the wireless signal has a wavelength λ, and the reflection gap d is between λ/20 and λ/80.
摘要:
An antenna module is provided. The antenna module includes a reflective superstrate, an antenna substrate, an antenna and a reflective pattern. The antenna is disposed on the antenna substrate. The reflective pattern is formed on the reflective superstrate, wherein a reflection gap is formed between the reflective superstrate and the antenna substrate. The reflective pattern provides a first reflection phase angle, the antenna substrate provides a second reflection phase angle, the first reflection phase angle includes a first determined phase angle Δ1, the first determined phase angle Δ1 is not 0°, the first reflection phase angle is about −(180°−Δ1), the second reflection phase angle includes a second determined phase angle Δ2, the second reflection phase angle is about −(180°−Δ2), a dimension of the reflection gap is directly proportional to a total predetermined phase angle Δ=Δ1+Δ2, and the total predetermined phase angle is between 0°˜90°.
摘要:
A balun is provided. The balun includes a first substrate, a feed conductor, a second substrate, a first ground layer, a second ground layer and a common ground element. The feed conductor includes a feed portion and an extended feed portion. The feed conductor is disposed on the first substrate. The first ground layer is disposed on the second substrate corresponding to the feed portion. The second ground layer is disposed on the second substrate corresponding to the extended feed portion. A gap is formed between the first and second ground layers. The common ground element is disposed on the second substrate. The common ground element is electrically connected to the first and second ground layers. The common ground element includes a first common ground portion parallel and corresponding to the feed conductor.
摘要:
A coupling device is provided. The coupling device has a substrate, a ground element, a first feed conductor and a second feed conductor. The substrate has a first surface and a second surface. The ground element is disposed on the second surface, wherein the ground element has a first annular groove, a second annular groove and a feed slot, the second annular groove surrounds the first annular groove, the feed slot is connected to the first annular groove and the second annular groove. The first feed conductor is disposed on the first surface corresponding to the first annular groove and the second annular groove, wherein the first feed conductor couples the ground element to feed an electric current. The second feed conductor is disposed on the first surface corresponding to the feed slot, wherein the second feed conductor couples the feed slot to feed a magnetic current.
摘要:
A flat antenna device is proposed, including a substrate having a first surface and a second surface, a first. antenna module disposed on the first surface and having a first coupling unit, and a second antenna module disposed on the second surface and having a second coupling unit. The first and second coupling units are parallel and coupled to one another so as to constitute a transmission line structure, allowing signals passing through the first coupling unit to be coupled and fed into the second coupling unit such that a first resonant signal and a second resonant signal of approximately 910 MHz and 1710 MHz are generated through the transmission line structure and a hook-shaped radiation unit of the second antenna module and a third resonant signal of approximately 2400 MHz is generated through an open electromagnetic coupling groove formed in the second module, thereby providing a compact and low-cost flat antenna device for use with six commonly used frequency bands of GSM, GPS, DCS, PCS, UMTS and WLAN IEEE-802.11b/g/n.
摘要翻译:提出了一种扁平天线装置,包括具有第一表面和第二表面的基底,第一表面。 天线模块,其设置在所述第一表面上并具有第一耦合单元,以及设置在所述第二表面上并具有第二耦合单元的第二天线模块。 第一和第二耦合单元并联并且彼此耦合以构成传输线结构,允许通过第一耦合单元的信号被耦合并馈送到第二耦合单元,使得第一谐振信号和第二谐振信号 通过传输线结构产生约910MHz和1710MHz的信号,并且通过形成在第二模块中的开放电磁耦合槽产生第二天线模块的钩形辐射单元和大约2400MHz的第三谐振信号, 从而为GSM,GPS,DCS,PCS,UMTS和WLAN IEEE-802.11b / g / n的六个常用频带提供了一种紧凑且低成本的平板天线设备。
摘要:
An antenna is provided comprising a transmission element, a ground element, a first parasitic element, a second parasitic element and a third parasitic element. The transmission element is located on a first plane, wherein the transmission element is T shaped, and comprises a first transmission portion and a second transmission portion and the second transmission portion is perpendicular to the first transmission portion and connected to an end thereof. The ground element is located on a second plane parallel to the first plane. The first parasitic element, the second parasitic element and the third parasitic element are connected to the ground element and located on the second plane.