Abstract: Provided is a card connector, including a housing and a plurality of electrical contacts. The housing includes an upper housing and a lower housing connected each other. The upper housing and the lower housing together define a first opening and a second opening, which are layer-stacked and separately located two adjacent sides of the housing. The first and second openings are communicated each other in the housing to form a receiving cavity for stackedly accommodating at least two electrical cards. The upper housing disposes a plurality of contact-receiving grooves on an inner side of a top wall thereof, and the lower housing also disposes a plurality of contact-receiving grooves on an inner side of a bottom wall thereof. The electrical contacts include a first electrical contact group and a second electrical contact group, which are separately received in the contact-receiving grooves of the upper housing and the lower housing.

Abstract: A plug connector, a receptacle connector and an electrical connector assembly are provided. The receptacle connector includes a receptacle housing and a plurality of receptacle terminals. Each receptacle terminal includes a first and a second wing portions, and a first and a second edge portions. The receptacle housing disposes shoulders respectively corresponding to the first and the second wing portions. The plug connector includes a plug housing and a plurality of plug terminal. Each plug terminal includes a first and a second contact portions. When the plug connector and the receptacle connector are mated together, the plug terminal and the receptacle terminal can realize a two-position contact for providing a stable signal transmission. When pulling out the plug connector, the shoulders of the receptacle housing can block the receptacle terminal to be pulled out thereby ensuring the stable combination of the receptacle terminal and the receptacle housing.

Abstract: Provided is a board-to-board connector, including a male connector and a female connector. The male connector includes a male housing and a plurality of male terminals. Each male terminal has a U-shaped plug portion. The female connector includes a female housing and a plurality of female terminals. Each female terminal has a first contact portion, a second contact portion and an inserting space. When the male and female terminals are engaged with each other, the flexible end of the male terminal is engaged with the rigid end of the female terminal, and the rigid end of the male terminal is engaged with the flexible end of the female terminal. Accordingly, the male and female terminals are engaged together by combining the rigid with the flexible so that avoiding resulting in the deformation and the damage of the terminals, and further assuring the performance of the board-to-board connector.

Abstract: A plug connector, a receptacle connector and an electrical connector assembly are provided. The plug connector includes a plug housing and a plurality of plug terminals located in the plug housing. Each plug terminal includes a first, second and third contact portions. The receptacle connector includes a receptacle housing and a plurality of receptacle terminals mounted in the receptacle housing. Each receptacle terminal includes a first, second and third side portions. When the plug connector and the receptacle connector are combined together to form the electrical connector assembly, the first, second and third contact portions respectively contact with the first, second and third side portions so that realizing a three-position contact between the plug and receptacle terminals for providing a stable signal transmission.

Abstract: An electrical connector is provided, including a housing, an inserting groove, a plurality of terminal-receiving grooves spaced with each other on two sidewalls of the housing and passing through a bottom plate of the housing, and a plurality of electrical terminals integrally formed in the terminal-receiving grooves by an insert molding method. Each electrical terminal includes a U-shaped latch portion. An outer surface of the latch portion protrudes out of a peripheral edge of the sidewall of the housing to prevent from producing the overflow plastic during the process of the insert molding. Moreover, the latch portion disposes a first and a second recesses on two opposite sides thereof. When the electrical connector is combined with a complementary connector, the first and the second recesses of each electrical terminal can form a two-position contact with a complementary terminal of the complementary connector for assuring a stable electrical transmission.

Abstract: An electrical connector and a terminal are provided. The electrical connector includes an insulating housing and a plurality of terminals. The insulating housing defines a plurality of terminal-receiving grooves. The terminals are located in the terminal-receiving grooves. Each of the terminals includes a solder portion, a receiving space formed by bending and extending the solder portion and provided for a complementary terminal inserted therein, a contact portion located at an opening of the receiving space and provided for contacting with the complementary terminal, and at least two protrusions respectively formed on two sides of the contact portion. The electrical connector and the terminal of the present invention can prevent the deformation of the terminal during the course of inserting and unplugging so that improving the electrical performance and prolonging the service life.

Abstract: Provided is a card connector, including a housing and a plurality of electrical contacts. The housing includes an upper housing and a lower housing connected each other. The upper housing and the lower housing together define a first opening and a second opening, which are layer-stacked and separately located two adjacent sides of the housing. The first and second openings are communicated each other in the housing to form a receiving cavity for stackedly accommodating at least two electrical cards. The upper housing disposes a plurality of contact-receiving grooves on an inner side of a top wall thereof, and the lower housing also disposes a plurality of contact-receiving grooves on an inner side of a bottom wall thereof. The electrical contacts include a first electrical contact group and a second electrical contact group, which are separately received in the contact-receiving grooves of the upper housing and the lower housing.

Abstract: A method of nanoimprinting a piezoelectric polymeric material includes: heating a surface of the piezoelectric polymeric material to an imprinting temperature greater than (Tc?25) ° C. and less than Tc, in which Tc is the Curie temperature of the piezoelectric polymeric material; and pressing the heated surface of the piezoelectric polymeric material using a nanoimprinting template having a nanopillar structure so as to form the piezoelectric polymeric material with high aspect ratio nanopillars.

Abstract: A card connector comprises a housing and plural conductive terminals accommodated in the housing. The housing comprises an upper housing and a lower housing connected to each other. The upper and lower housings form a first opening and a second opening which are stacked. The first and second openings are communicated to form an accommodating space. At least two electrical cards placed one above the other are accommodated in the accommodating space. The conductive terminals comprise a first set of conductive terminals and a second set of conductive terminals. An upper inner wall of the upper housing and a lower inner wall of the lower housing respectively have plural terminal slots disposed thereon for accommodating the first and second sets of conductive terminals. The card connector can accommodate two pieces of electrical cards, has a compact structure, and is capable of saving spaces of a device.

Abstract: A method to determine a process window is disclosed. First, a pattern data is provided. Second, a bias set is determined. Then, a resizing procedure is performed on the pattern data in accordance with the bias set to obtain a usable final resized pattern to be a target pattern of changed area. The final resized pattern is consistent with a minimum spacing rule, a contact to poly rule and a contact to metal rule. Accordingly, the target pattern is output.

Abstract: The present invention is disclosed a voice signal encoding/decoding methods. It is judged whether the time-point at which the voices signal is about to be encoded is one of the synchronous time parameters in the steps of voice signal encoding. If yes, output an output port code to activate a task; otherwise, then output a voice signal coded value that corresponds to the encoded voice signal at the same time. Moreover, it is judged whether the time-point at which the voice signal coded value being about to be decoded corresponds to the voice signal is one of the synchronous time parameters. If yes, output the output port code to the output port to activate a task; if not, then output a voice subsignal that corresponds to the decoded voice signal coded value at the time-point.

Abstract: A USB (Universal Serial Bus) connector includes an insulating housing having a base portion. The base portion extends rearward to form an extending portion. Two sides of a rear surface of the extending portion define two receiving cavities, respectively. A separating wall is formed between two receiving cavities. Two side walls are formed outside the respective receiving cavities. A plurality of signal terminals fixed in the insulating housing respectively have a soldering foot received in the receiving cavity, with a distal end of the soldering foot extending beyond a bottom of the extending portion. A fixing board is inserted in bottoms of the receiving cavities. The fixing board has a base board which defines a clipping slot penetrating a front edge thereof and clipping on the separating wall and two restraining slots at two sides of the clipping slot for constraining the soldering feet of the corresponding signal terminals therein.

Abstract: A connector adapted for receiving a longitudinally inserted flexible printed circuit board therein includes an insulating housing having a base board, a plurality of electric terminals disposed in the insulating housing and a pressing cover vertically movably mounted onto the insulating housing. Two opposite ends of the base board protrude upward to form a pair of sidewalls. Each of the electric terminals has an elastic arm. The flexible printed circuit board is inserted between the base board and the elastic arms. A portion of a base portion of the pressing cover extends forward to form a pressing portion transversely spanned over the elastic arms of the electric terminals for pressing the elastic arms downward against the flexible printed circuit board when the pressing cover is pressed downward to be closed so as to make the flexible printed circuit board tightly clipped between the elastic arms and the base board.

Abstract: A connector has an insulating housing defining a plurality of terminal receiving cavities each extending vertically to pass therethrough, a plurality of conductive terminals received in the terminal receiving cavities and a shell mounted to the insulating housing. A rear surface of the insulating housing is protruded outward to from a projection defining an inserting groove passing therethrough. The shell has a base board, a holding board facing the base board and a pair of sideboards connecting the base board and the holding board. Top edges of the base board and the holding board are extended towards each other to form eave portions. An inserting portion is extended from a portion of the base board. The shell encircles the insulating housing with the eave portions covering tops of two opposed sides of the insulating housing and the inserting portion being inserted into the inserting groove and further connected to ground.

Abstract: An audio jack connector adapted for receiving an audio plug connector with a tip end includes an insulating housing and a contact terminal. The insulating housing defines a plug insertion hole from a front end to a rear end thereof and a recess communicating with the plug insertion hole. The contact terminal has a connecting portion received in a rear of the recess. Two opposite ends of the connecting portion are extended downward to form first and second holding arms. Portions of the holding arms extend along the axis of the plug insertion hole to form first and second locating boards. Edges of the locating boards extend towards each other and are bent along the axis of the plug insertion hole to form first and second elastic arms. First and second contact portions are protruded into the plug insertion hole from free ends of the elastic arms.

Abstract: A connector has an insulating housing defining a plurality of terminal receiving cavities each extending vertically to pass therethrough, a plurality of conductive terminals received in the terminal receiving cavities and a shell mounted to the insulating housing. A rear surface of the insulating housing is protruded outward to from a projection defining an inserting groove passing therethrough. The shell has a base board, a holding board facing the base board and a pair of sideboards connecting the base board and the holding board. Top edges of the base board and the holding board are extended towards each other to form eave portions. An inserting portion is extended from a portion of the base board. The shell encircles the insulating housing with the eave portions covering tops of two opposed sides of the insulating housing and the inserting portion being inserted into the inserting groove and further connected to ground.