Abstract: A circular polarized antenna array module and a wireless communication device, including a plurality of circular polarized transmitting antennas and circular polarized receiving antennas, a dielectric substrate, and a plurality of first group of phase shifting units and second group of phase shifting units. In each row of the circular polarized transmitting/receiving antennas, every two adjacent circular polarized transmitting/receiving antennas arranged with a distance, each of the circular polarized transmitting antennas arranged with a first feed point and a second feed point, each of the circular polarized receiving antennas arranged with a third feed point and a fourth feed point. Each row of the circular polarized transmitting antennas and each row of the circular polarized receiving antennas alternately placed to form array arranged on the dielectric substrate.

Abstract: A semiconductor structure and method of forming the same are provided. The method includes: forming a plurality of mandrel patterns over a dielectric layer; forming a first spacer and a second spacer on sidewalls of the plurality of mandrel patterns, wherein a first width of the first spacer is larger than a second width of the second spacer; removing the plurality of mandrel patterns; patterning the dielectric layer using the first spacer and the second spacer as a patterning mask; and forming conductive lines laterally aside the dielectric layer.

Abstract: An electrically tunable liquid crystal lens includes a carrier substrate, a common electrode layer disposed on the carrier substrate, a liquid crystal unit, a patterned electrode layer, a terminal electrode layer, a dielectric insulating layer, and a cover. The liquid crystal unit is disposed on the common electrode layer opposite to the carrier substrate, and includes a plurality of liquid crystal molecules. The patterned electrode layer is disposed on the liquid crystal unit opposite to the common electrode layer, and has a plurality of aperture patterns located within a projection of the liquid crystal unit on the patterned electrode layer. The terminal electrode layer is disposed on the patterned electrode layer opposite to the liquid crystal unit. The dielectric insulating layer is disposed between the patterned electrode layer and the terminal electrode layer. The cover is disposed on the terminal electrode layer opposite to the dielectric insulating layer.

Abstract: A layout pattern of a magnetoresistive random access memory (MRAM) includes a substrate having a first cell region, a second cell region, a third cell region, and a fourth cell region and a diffusion region on the substrate extending through the first cell region, the second cell region, the third cell region, and the fourth cell region. Preferably, the diffusion region includes a H-shape according to a top view.

Abstract: An electronic device includes a metal back cover, a metal frame, and a first, second, third, and fourth radiators. The metal frame includes a discrete part and two connection parts. The connection parts are located by two sides of the discrete part, separated from the discrete part, and connected to the metal back cover. A U-shaped slot is formed between the discrete part and the metal back cover and between the discrete part and the connection parts. The first radiator is separated from the discrete part and includes a feed end. The second, third, and fourth radiators are connected to the discrete part and the metal back cover. The third radiator is located between the first and second radiators. The first radiator is located between the third and fourth radiators. The discrete part and the first, second, third, and fourth radiators form an antenna module together.

Abstract: A conductive terminal and an electrical connector having the same are provided. The conductive terminal includes a base portion, an elastic arm formed by extending upward from an upper end of the base portion, and a conductive portion located below the base portion. The elastic arm includes a contact arm and a first arm and a second arm provided at an interval in a left-right direction. The first arm and the second arm are both located between the contact arm and the base portion. The contact arm has a contact portion. A maximum width of the second arm in the left-right direction is greater than a maximum width of the first arm in the left-right direction. A central line of the contact portion and a connecting location of the second arm and the base portion are located at left and right sides of a central line of the base portion.

Abstract: A plasma-exclusion-zone ring for a substrate processing system that is configured to process a substrate includes a ring-shaped body, an upper portion of the ring-shaped body, a base and a plasma-exclusion-zone ring notch. The upper portion of the ring-shaped body defines a radially inner surface and a top surface. The base of the ring-shaped body defines a radially outer surface, a first bottom surface extending radially inward from the radially outer surface, and a second bottom surface extending radially inward from the first bottom surface. The plasma-exclusion-zone ring notch is proportional to an alignment notch of the substrate. The first bottom surface is tapered and extends at an acute angle from the second bottom surface to the radially outer surface. The first bottom surface is configured to extend over and oppose a periphery of the substrate.

Abstract: An electrical connector includes multiple terminals formed by cutting from a metal plate and bending. The portion of the metal plate with the terminals being removed is defined as a base plate. Each terminal has a base portion and an elastic arm connected thereto. The base portion is at least partially horizontally provided to be coplanar to the base plate. A cutting slot is formed between the base plate and the base portion. A through slot is formed between the base plate and the elastic arm. An insulating body is provided with through holes running vertically therethrough. A portion of the cutting slot and the through slot are exposed in a corresponding through hole. The terminals include signal terminals and ground terminals. The base plate forms a connecting portion between the through slot and the cutting slot of each ground terminal to be connected to the ground terminal.

Abstract: A method of manufacturing an electrical connector is provided. The method includes: providing a terminal and a strip, where the strip is connected to the terminal, and the terminal is formed with an elastic arm, a floating contact portion and a conducting portion; then, insert-molding an insulating block, such that the insulating block connects the elastic arm and the floating contact portion; separating the elastic arm and the floating contact portion; further cutting the strip to separate the terminal from the strip; and providing an insulating body, where the insulating body is formed with at least one accommodating slot running vertically therethrough, and inserting the terminal into the accommodating slot. When the electrical connector is mated, the elastic arm provides an elastic force such that the floating contact portion moves downward, and the floating contact portion and the conducting portion are directly electrically connected.

Abstract: An electrical connector includes an insulating body with multiple accommodating slots, and multiple terminals accommodated in the accommodating slots. Each terminal has an elastic arm, a floating contact portion and a conducting portion. The elastic arm and the floating contact portion are provided at an interval. One end of the elastic arm is connected with the floating contact portion through an insulating block. When each terminal is mated with a first electronic component and a second electronic component, the conducting portion is electrically connected to the first electronic component, the floating contact portion is electrically connected to the second electronic component, the elastic arm provides an elastic force such that the floating contact portion moves downward, and the floating contact portion and the conducting portion are directly electrically connected.

Abstract: A method of manufacturing an electrical connector includes: providing a metal plate, and cutting the metal plate to form multiple base portions and pre-soldering areas; providing multiple conductive members, and soldering the conductive members to the pre-soldering areas; cutting and forming multiple elastic arms correspondingly according to locations of the conductive members in the pre-soldering areas as references, where a conductive terminal includes a base portion, at least one elastic arm and at least one conductive member; forming an insulating body on the conductive terminals by insert-molding, where the elastic arms and the conductive members are exposed from the insulating body; and forming the conductive terminals by cutting, where at least some of the conductive terminals are separated from each other and are not in contact with each other. The first electronic component and the second electronic component abut the elastic arms and the conductive members to deform and move.

Abstract: A projecting apparatus is provided, and includes a frame, a light source module, and a microelectromechanical systems (MEMS) module. The frame includes two lateral boards respectively arranged on two opposite sides thereof, and a transverse beam that connects the two lateral boards. Each of the two lateral boards has a guiding slot recessed in a portion thereof. The MEMS module is configured to transmit light emitted from the light source module, and includes a flexible circuit board, a first MEMS unit, and a second MEMS unit, the latter two of which are connected to the flexible circuit board. The first MEMS unit is inserted into the guiding slots of the two lateral boards. The second MEMS unit abuts against the two lateral boards and/or the transverse beam. The first MEMS unit and the second MEMS unit have a predetermined angle there-between by the second frame portion.

Abstract: An electrical connector includes multiple terminals formed by cutting from a metal plate and bending. The portion of the metal plate with the terminals being removed is defined as a base plate. Each terminal has a base portion and an elastic arm connected thereto. The base portion is at least partially horizontally provided to be coplanar to the base plate. A cutting slot is formed between the base plate and the base portion. A through slot is formed between the base plate and the elastic arm. An insulating body is provided with through holes running vertically therethrough. A portion of the cutting slot and the through slot are exposed in a corresponding through hole. The terminals include signal terminals and ground terminals. The base plate forms a connecting portion between the through slot and the cutting slot of each ground terminal to be connected to the ground terminal.

Abstract: A projecting apparatus is provided, and includes a frame, a light source module, and a microelectromechanical systems (MEMS) module. The frame includes two lateral boards respectively arranged on two opposite sides thereof, and a transverse beam that connects the two lateral boards. Each of the two lateral boards has a guiding slot recessed in a portion thereof. The MEMS module is configured to transmit light emitted from the light source module, and includes a flexible circuit board, a first MEMS unit, and a second MEMS unit, the latter two of which are connected to the flexible circuit board. The first MEMS unit is inserted into the guiding slots of the two lateral boards. The second MEMS unit abuts against the two lateral boards and/or the transverse beam. The first MEMS unit and the second MEMS unit have a predetermined angle there-between by the second frame portion.

Abstract: A measuring method for amplicon length is provided. A qPCR master mix, a forward primer, a reverse primer, a hybridization probe, a double-stranded DNA binding dye, and nucleic acid samples are added into reaction wells for qPCR reaction, and the fluorescence intensity of each of a hybridization probe and a double-stranded DNA binding dye varying with cycle number is respectively measured. Afterwards, amplicon length is obtained by applying a calculating method.

Abstract: An electrical connector assembly includes a plug, having a body and multiple pins positioned on the body, and a socket connector including an insulating body. Each pin has an insertion portion extending downward out of the body. The insertion portion has a guide surface, and two contact regions located above the guide surface. The guide surface passes through a vertical center line of the insertion portion. Multiple accommodating holes run through the insulating body vertically. Multiple terminals are respectively accommodated in the accommodating holes. Each terminal is provided with two clamping portions. The guide surfaces guide the pins to be inserted downward into the accommodating holes. When each pin is inserted downward to a final position, the insertion portion is located between the two clamping portions, the two clamping portions are correspondingly in contact with the two contact regions, and the guide surface is located below the two clamping portions.

Abstract: An electrical connector is used for a plug having multiple pins to downward insert therein. The electrical connector includes a body provided with multiple accommodating holes running through an upper surface and a lower surface of the body; and multiple terminals correspondingly accommodated in the accommodating holes. Upper ends of the terminals are located at a same height, and lower ends of the terminals are located at a same height. Each terminal has two contact arms opposite and close to each other. The terminals include a first terminal and a second terminal. The two contact arms of the first terminal and the two contact arms of the second terminal are located at different heights and correspondingly used for the pins to insert downward therein successively. Thus, signal interference between the terminals can be reduced, and a maximum insertion force of the plug inserted into the electrical connector is reduced.

Abstract: An electrical connector is used for electrically connecting a chip module to a circuit board, and includes an insulating body provided with at least one accommodating slot, and at least one terminal provided in the at least one accommodating slot. The terminal has a first base and a second base formed by bending from the first base. An elastic arm is formed by bending upward and extending from the first base. The elastic arm is provided with a contact portion to be conductively connected with the chip module. The first base has a retaining portion located at a lower end thereof and extending downward. The retaining portion fits with the at least one accommodating slot to retain the terminal in the insulating body. A conducting portion extends downward from the second base to be conductively connected with the circuit board.

Abstract: An electrical connector assembly includes a plug, having a body and multiple pins positioned on the body, and a socket connector including an insulating body. Each pin has an insertion portion extending downward out of the body. The insertion portion has a guide surface, and two contact regions located above the guide surface. The guide surface passes through a vertical center line of the insertion portion. Multiple accommodating holes run through the insulating body vertically. Multiple terminals are respectively accommodated in the accommodating holes. Each terminal is provided with two clamping portions. The guide surfaces guide the pins to be inserted downward into the accommodating holes. When each pin is inserted downward to a final position, the insertion portion is located between the two clamping portions, the two clamping portions are correspondingly in contact with the two contact regions, and the guide surface is located below the two clamping portions.

Abstract: An electrical connector includes an insulating body provided with multiple accommodating slots. A reserved space is provided between and interconnects two adjacent accommodating slots. Multiple terminals are correspondingly accommodated in the accommodating slots. Each terminal includes a base and two arm portions having two clamping portions and two guiding portions. An oblique portion is formed by bending forward from the base and extending upward. A front surface of the oblique portion has a contact surface. The contact surface and the two clamping portions jointly clamp an insertion pin of a chip module. A rear surface of the oblique portion has a guide surface. A top end of the guide surface is higher than a bottom surface of the reserved space. The guide surface of a front terminal guides the insertion pin to be inserted downward, and the guiding portion of a rear terminal guides the insertion pin to move horizontally.