Abstract: A spring connector includes a barrel, a plunger and a spring. The barrel includes a longitudinal space formed therein, an opening formed at a top thereof, a bottom plate formed at a bottom thereof and a narrow portion formed from a middle portion and to the bottom thereof. The plunger includes a contact portion protruding from the opening, a sliding portion received in the longitudinal space, and a limit recess formed in the lower sliding portion. A top end of the spring is received in and limited by the limit recess, and a bottom end and a middle portion is limited by the narrower portion to restrict the spring being compressed along a longitudinal direction thereof. The spring is also prevented from deviating from the longitudinal direction thereof.

Abstract: A photodiode device and the manufacturing method of the same are provided. The photodiode device includes a substrate; an epitaxy layer on the substrate, the epitaxy layer including a window layer and a cap layer on the window layer, the cap layer covering a portion of the window layer; and a patterned conductive layer on the cap layer, the patterned conductive layer being formed with a bottom area and a top area wherein the bottom area is greater than the top area.

Abstract: A multi-junction solar cell structure includes a supporting substrate, a Group IV element-based thin film, and a Group III-V element-based thin film sequentially stacked on the supporting substrate. When the multi-junction solar cell structure is active, the Group III-V element-based thin film contacts the light before the Group IV element-based thin film does. The Group IV element-based thin film includes a first solar cell and the Group III-V element-based thin film includes a second solar cell, wherein the band gap of the first solar cell is lower than the band gap of the second solar cell.

Abstract: A data transmission system that determines data transmission power using a virtual cell is provided. A base station may receive transmission data from a plurality of cooperative base stations positioned around the base station, and model terminals receiving an interference signal from the base station and the plurality of cooperative base stations into a virtual cell. The base station may calculate the influence of the interference signal transmitted to the terminal, using the virtual cell, and determine a transmission power for a plurality of frequency bands based on the interference signal.

Abstract: A probe connector includes a barrel, a plunger, an elastic element, at least one first magnet, and at least one second magnet. The barrel defines an enclosure surrounding a chamber. An opening is formed at one end of the barrel. The elastic element is arranged in the chamber of the barrel. The plunger has a basic portion received in the chamber and against one end of the elastic element, and a contact portion extending out of the chamber through the opening. The first magnet is disposed on the enclosure of the barrel. The second magnet is disposed on the basic portion of the plunger. When the plunger is pressed inward, the plunger is leant towards one side with the basic portion against the enclosure because of the second magnet approaching the first magnet to produce a magnetic force interaction therebetween.

Abstract: A spring connector includes a barrel, a plunger and a spring. The barrel includes a longitudinal space formed therein, an opening formed at a top thereof, a bottom plate formed at a bottom thereof and a narrow portion formed from a middle portion and to the bottom thereof. The plunger includes a contact portion protruding from the opening, a sliding portion received in the longitudinal space, and a limit recess formed in the lower sliding portion. A top end of the spring is received in and limited by the limit recess, and a bottom end and a middle portion is limited by the narrower portion to restrict the spring being compressed along a longitudinal direction thereof. The spring is also prevented from deviating from the longitudinal direction thereof.

Abstract: Provided is a data transmission system that may determine a multiple input multiple output dynamic spectrum management (MIMO-DSM) operation mode of a base station based on information associated with a data transmission route and a computational capability of each base station. A terminal may generate feedback information based on a cooperation level between base stations and may transmit the generated feedback information to a serving base station. The serving base station may select terminals that may receive data from among a plurality of terminals through a MIMO-DSM algorithm and a user scheduling based on the feedback information.

Abstract: A jig for clutching a plurality of probe assemblies each of which has a connecting portion and a soldering portion has a base body and a covering body. The base body has a plurality of first receiving grooves each penetrating a front end and a rear end thereof. The covering body is formed with a plurality of second receiving grooves corresponding to the first receiving grooves. The covering body is openably fixed on the base body, the first receiving grooves and the second receiving grooves are matched to form a plurality of passageways. A front end of each of the passageways has a portion protruded inwards to form a resisting rib. The connecting portions of the probe assemblies are received in the passageways and abut against the resisting ribs, with tip ends of the soldering potions exposing outside the passageways from rear ends of the passageways.

Abstract: A spring connector includes a barrel made by stamping a metal foil to form with a top opening, a first receiving space, a bottom opening and a cover being capable of being positioned to cover the bottom opening and to space from the bottom opening, a plunger inserted in the barrel from the bottom opening and formed with a head portion exposed outside the barrel, a sliding portion received in the first receiving space, and a second receiving space connected to the first receiving space, a spring insert in the first receiving space and the second receiving space from the bottom opening, of which a bottom portion connects to the cover. Because the cover is made by stamping a metal foil, it is easy to coat a uniform coating layer for improving the conducting quality, and the fabricating time and the cost of the spring connector is reduced.

Abstract: A jig for probe connector adapted for clutching a plurality of probe assemblies each of which has a connecting portion, a probing pin and a soldering portion disposed at two ends of the connecting portion respectively. The jig for probe connector has a base body. The base body has a plurality of passageways each penetrating a front end thereof. The passageway includes a first receiving recess and a second receiving recess disposed at a front of the first receiving recess. A cross section of the second receiving recess is larger than that of the first receiving recess, with a drop defined as a preventing portion formed therebetween. A side of the second receiving recess has a portion protruded inward to form a buckling lump, which is spaced from the preventing portion with a predetermined distance.

Abstract: An audio connector has an insulating housing having a body. The body has a passageway for receiving an audio plug, and a plurality of installing holes of column shape, each of which extends along a direction substantially perpendicular to an extending direction of the passageway, with one end thereof intercommunicating with the passageway, and the other end thereof reaching an outer surface of the body. A plurality of probe assemblies is respectively mounted to the installing holes. Each of the probe assemblies has a hollow barrel, a plunger slidably mounted to the barrel and exposing from one end of the barrel for projecting into the passageway resiliently, and an elastic element received in the barrel for supporting the plunger. The other end of the barrel is extended opposite to the plunger to form a soldering portion exposing outside the insulating housing.

Abstract: An audio jack connector has an insulating housing. The insulating housing has an inserting hole extending from a front to a rear for receiving the audio plug connector and a plurality of recesses communicating with the inserting hole for receiving a plurality of terminals. An elastic body which is disposed in the inserting hole perpendicular to an extending direction of the inserting hole has two opposite tightening arms and a connecting portion interconnected with opposite ends of the tightening arms. A front end of the audio plug connector passes through the elastic body and is restrained by the elastic body. Two tightening arms of the elastic body are against the portions of the front end of the audio plug connector from opposite directions when the audio plug connecter is inserted into the inserting hole of the insulating housing.

Abstract: A method of manufacturing photodiode device includes the following steps: providing a wafer having a substrate and an epitaxy layer, the substrate having a first surface and a second surface and the epitaxy layer formed on the first surface; forming a first conductive layer on the second surface of the substrate; forming a patterned conductive layer above the epitaxy layer; and etching the patterned conductive layer by a reactive ion etching (RIE) process performed under argon gas and helium gas.

Abstract: A probe connector has a barrel having a main body, with a chamber defined therein, and a base connected with one end of the main body. The main body has a mounting opening at a substantially middle portion thereof and communicating with the chamber. A plunger includes a basic portion restricted in the barrel and a contact portion extended from one end of the basic portion and exposed from the other end of the main body opposite to the base. A resting element has a mounting slice received in the mounting opening, and a resting lump protruding from a side of the mounting slice and protruding into the chamber of the main body to rest against a side of the basic portion when the contact portion is pressed inside the barrel for deflecting the basic portion to contact an inner surface of the main body by an opposite side thereof.

Abstract: An audio jack connector has an insulating housing. The insulating housing has an inserting hole extending from a front to rear for receiving the audio plug connector and a plurality of recesses communicating with the inserting hole for receiving a plurality of terminals. An elastic body which is disposed in the inserting hole perpendicular to an extending direction of the inserting hole has two opposite tightening arms and a connecting portion interconnected with opposite ends of the tightening arms. A front end of the audio plug connector passes through the elastic body and is restrained by the elastic body. Two tightening arms of the elastic body are against the portions of the front end of the audio plug connector from opposite directions, when the audio plug connector is inserted into the inserting hole of the insulating housing.

Abstract: A probe connector for being sucked by a suction nozzle and then soldered to a PCB by moving the suction nozzle has a barrel. One end of the barrel has a base, the other end of the barrel is formed with an opening. A periphery of the barrel has a portion protruded outwards to form a ring-shaped flange. The flange has a ring-shaped flat surface back to the base for engaging with a bottom of the suction nozzle. A probing pin includes a base portion received in the barrel and a contact portion projecting outside the barrel through the opening. An elastic element received in the barrel is disposed between the base and the base portion of the probing pin.

Abstract: An audio jack connector has an insulating housing. The insulating housing has an inserting hole extending from a front to rear for receiving the audio plug connector and a plurality of recesses communicating with the inserting hole for receiving a plurality of terminals. An elastic body which is disposed in the inserting hole perpendicular to an extending direction of the inserting hole has two opposite tightening arms and a connecting portion interconnected with opposite ends of the tightening arms. A front end of the audio plug connector passes through the elastic body and is restrained by the elastic body. Two tightening arms of the elastic body are against the portions of the front end of the audio plug connector from opposite directions, when the audio plug connector is inserted into the inserting hole of the insulating housing.

Abstract: A probe connector has a barrel including a main body and a base integrally connected with one end of the main body. A holding portion is protruded inwards from an inner surface of the main body to form a first holding recess, adjacent to the base. A plunger includes a basic portion restricted in the barrel and a contact portion extended from one end of the basic portion and exposed from the other end of the barrel opposite to the base. The basic portion has a second holding recess at the other end thereof and coaxial with the first holding recess when the plunger is mounted to the barrel. An elastic element arranged inside the barrel has two ends respectively held by the first holding recess and the second holding recess to shorten an unrestrained part of the elastic element for reducing a resilient distortion of the elastic element.

Abstract: A probe connector has a barrel with a main body surrounding a chamber therein. The main body has a slot communicating with the chamber. A plunger includes a basic portion restricted in the barrel and a contact portion extended from one end of the basic portion. A fixing element has a fixing ring wrapping a periphery of the main body, a portion of the fixing ring extended perpendicular to the fixing ring to form a connecting rod. The connecting rod has a portion bent towards the same direction as an extending direction of a radius of the fixing ring to form a resting portion buckling into the chamber of the main body through the slot. The resting portion resiliently abuts against a side of the plunger when the plunger is pressed downwards to deflect to contact an inner surface of the main body by an opposite side thereof.

Abstract: A probe connector has an insulating housing having at least one inserting hole and an installing groove adjacent to the inserting hole for communicating with thereof. At least one probe pin assembly mounted to the inserting hole comprises a cylindraceous barrel, an elastic element received in the barrel, and a plunger mounted to the barrel and exposing from an end of the barrel. The barrel has a main body, with an opening formed thereon and facing the installing groove. A fixing element fixed in the installing groove has an elastic arm which is formed with a resting portion projecting into a chamber surrounded by the main body through the opening. The resting portion resiliently rests against a side of the plunger when the plunger is pressed downwards to deflect to contact an inner surface of the main body by an opposite side thereof.