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 |
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 |
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 |
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 |
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 |
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 |