Patent application number | Description | Published |
20080197967 | Circuit boards with embedded resistors - The present invention relates to an adjustable resistor embedded in a circuit board and a method of fabricating the same. The adjustable resistor comprises a resistor with a number of connection terminals, and a number of via holes extending to contact with the resistor. The resistive value of the resistor is variable depending on the size of the via holes, the number of the via holes, or the distance between the via holes. | 08-21-2008 |
20080231402 | INDUCTOR DEVICES - The invention relates to a high frequency inductor device with high quality factor (Q). The inductor device comprises a substrate and a gradually sized conductive coil with a plurality of windings surrounded and disposed on the substrate. The windings comprises a first conductive segment disposed on a first surface of the substrate, a second conductive segment disposed on a second surface of the substrate, a first conductive via hole connecting the first and second conductive segments, and a second conductive via hole connecting the second conductive segment to a first conductive segment of the following winding. The length of the first conductive segment is different than that of the first conductive segment of the following winding | 09-25-2008 |
20080258862 | RESISTOR LAYOUT STRUCTURE AND MANUFACTURING METHOD THEREOF - A resistor layout structure and a manufacture method thereof are provided. The resistor layout structure includes a substrate, a plurality of metals, and a plurality of resistor lumps. The plurality of metals is disposed on the substrate. The plurality of first resistor lumps is disposed on the substrate. The metals are used as a supporting structure during the disposing process. Besides, the metals are interlaced and connected in series connected with the resistor lumps to form the resistor. Therefore, the present invention decreases the resistance variability of the resistor. | 10-23-2008 |
20080290984 | EMBEDDED RESISTOR DEVICES - An embedded resistor device includes a resistor, a ground plane located near a first side of the resistor and electrically coupled to a first end of the resistor, at the ground plane a hole is provided, a first dielectric layer exists between the resistor and the ground plane, a conductive wire, which is electrically coupled to a second end of the resistor different from the first end of the resistor and partially surrounds the resistor, is used as an auxiliary for supporting a resistor-coating process of the resistor and to provide a terminal of the embedded resistor device at the conductive wire, a conductive region located near a second side of the ground plane different from the first side of the resistor, a second dielectric layer exists between the ground plane and the conductive region, and a conductive path to electrically couple the conductive wire to the conductive region through the hole. | 11-27-2008 |
20090045904 | INTER-HELIX INDUCTOR DEVICES - The invention is directed to inter-helix inductor devices. The inter-helix inductor device includes a dielectric substrate. An input end is disposed on the first surface of the dielectric substrate. A clockwise winding coil has one end connecting to the input end and at least one winding turn through the dielectric substrate. A counter clockwise winding coil includes at least one winding turn through the dielectric substrate, wherein the clockwise and counter clockwise winding coils are connected by an interconnection. An output end is disposed on the dielectric substrate, connects one end of the counter clockwise winding coil, and is adjacent to the input end. | 02-19-2009 |
20090058589 | SUSPENSION INDUCTOR DEVICES - Suspension inductor devices are provided. A suspension inductor device includes a dielectric substrate and a suspension induction coil. The suspension induction coil includes an input end disposed on the dielectric substrate. A spiral coil is wound from the dielectric substrate to an interconnection. The interconnection is disposed in the spiral coil and connects the input end and the spiral coil. An output end is disposed on the dielectric substrate and adjacent to the input end. | 03-05-2009 |
20090072942 | MEANDER INDUCTOR AND SUBSTRATE STRUCTURE WITH THE SAME - A meander inductor is disclosed, the inductor is disposed on a substrate or embedded therein. The meander inductor includes a conductive layer composed of a plurality of sinusoidal coils with different amplitudes and in series connection to each other, wherein the sinusoidal coils with different amplitudes are laid out according to a periphery outline. The profile of the meander inductor is designed according to an outer frame range available for accommodating the meander inductor and is formed by coils with different amplitudes. Therefore, under a same area condition, the present invention enables the Q factor and the resonant frequency fr of the novel inductor to be advanced, and further expands the applicable range of the inductor. | 03-19-2009 |
20090183358 | EMBEDDED INDUCTOR DEVICES AND FABRICATION METHODS THEREOF - Embedded inductor devices and fabrication methods thereof. An embedded inductor device includes a substrate, a conductive coil disposed on the substrate, and a patterned high-permeability (μ | 07-23-2009 |
20090268369 | CAPACITOR STRUCTURE WITH RAISED RESONANCE FREQUENCY - A capacitor structure is provided. In the capacitor structure, a signal electrode plate and an extension ground electrode plate are disposed on the same plane to form a co-plane capacitor structure. Due to slow wave characteristic, the resonance frequency of the capacitor structure is effectively raised and the capacitor structure may be applied in high frequency. | 10-29-2009 |
20100026420 | BAND-PASS FILTER CIRCUIT AND MULTI-LAYER STRUCTURE AND METHOD THEREOF - A band-pass filter includes a plurality of resonators, a feedback capacitive device and a grounding inductance device. A first end of each resonator is connected to a first node, and a second end of each resonator is connected to a second node. The feedback capacitive device is formed on the feedback circuit from the first node to the second node. The grounding inductance device is connected to the second node and ground. In an embodiment, the resonator essentially consists of a capacitive device and an inductance device. | 02-04-2010 |
20100039232 | RADIO-FREQUENCY IDENTIFICATON (RFID) ANTENNA, TAGS AND COMMUNICATIONS SYSTEMS USING THE SAME - Radio-frequency identification (RFID) tag antenna, tags and communications systems using the same are presented. The RFID tag antenna includes a patterned conductive loop having a plurality of longitudinal conductive sections and a pair of transverse conductive sections connecting to each end of the longitudinal conductive sections to serve as a matching network. A pair of extended conductive arms is electrically connected to the patterned conductive loop via two nodes. A bonding pad with an RFID chip disposed thereon is arranged at the central area of the pair of extended conductive arms. | 02-18-2010 |
20110063067 | Inter-Helix Inductor Devices - The invention is directed to inter-helix inductor devices. The inter-helix inductor device includes a dielectric substrate. An input end is disposed on the first surface of the dielectric substrate. A clockwise winding coil has one end connecting to the input end and at least one winding turn through the dielectric substrate. A counter clockwise winding coil includes at least one winding turn through the dielectric substrate, wherein the clockwise and counter clockwise winding coils are connected by an interconnection. An output end is disposed on the dielectric substrate, connects one end of the counter clockwise winding coil, and is adjacent to the input end. | 03-17-2011 |
20110102282 | RECONFIGURABLE MULTI-BAND ANTENNA SYSTEM AND ELECTRONIC APPARATUS HAVING THE SAME - A reconfigurable multi-band antenna system has a signal transmission metal, a ground metal, at least two resonators, and at least two switches. The signal transmission metal and the ground metal respectively act as a signal feed-in end and a ground end and of the reconfigurable multi-band antenna system. The at least two resonators are disposed on at least one side of the transmission metal line. Each switch is coupled to the at least two resonators or one of them. Each switch has a control end, and independently and respectively receives one of the at least two control signals, wherein the at least two control signals respectively and independently the short and open of the switches. The at least two resonators form a resonator configuration of a semi-close resonating configuration or a close resonating configuration, and generates a signal within a frequency according to the resonator configuration. | 05-05-2011 |
20110169597 | INDUCTOR DEVICES - An inductor device comprising a first conductive pattern on a first layer of a substrate, a second conductive pattern on a second layer of the substrate, and a first region between the first layer and the second layer through which at least one hole is coupled between the first dielectric layer and the second dielectric layer, wherein a magnetic field induced by at least one of the first conductive pattern or the second conductive pattern at the first region is more intensive than that induced by at least one of the first conductive pattern or the second conductive pattern at a second region between the first conductive layer and the second conductive layer. | 07-14-2011 |
20120031654 | CAPACITOR STRUCTURE WITH RAISED RESONANCE FREQUENCY - A dual-port capacitor structure includes a first electrode plate having a first opening; a second electrode plate having a second opening; and a third electrode plate, disposed in the first opening of the first electrode plate and the second opening of the second electrode plate. The first electrode plate, the second electrode plate and the third electrode plate locate on the same plane. | 02-09-2012 |
20120146757 | THREE DIMENSIONAL INDUCTOR - A three-dimensional inductor is provided. The three-dimensional inductor is disposed in a multi-layered substrate. The multi-layered substrate includes at least a dielectric layer and at least two metal layers. The three-dimensional inductor includes a first coil and a second coil. The second coil is electrically connected to the first coil. The first coil is on a first plane and formed on a first metal layer. The second coil is on a second plane and disposed in a variety of dielectric layers and metal layer. The first plane is not parallel to or is vertical to the second plane such that the magnetic field generated by the first coil and the magnetic field generated by the second coil are not parallel to each other or are vertical to each other. | 06-14-2012 |
20120146853 | ANTENNA WITH SLOT - An antenna having a signal feeding structure, an antenna conductor coupled to the signal feeding structure and forming a slot in the antenna conductor. A closing portion capacitively closing the at least one slot at a mechanically open end of the slot. | 06-14-2012 |