Abstract: A tape laying device includes a tape transmission mechanism, a compaction head mechanism, a cutter mechanism, a heating mechanism and a motion mechanism. The tape transmission mechanism is configured to transmit the pre-impregnated tape. The compaction head mechanism, connected with the tape transmission mechanism, is configured to depress and drive the pre-impregnated tape transmitted by the tape transmission mechanism to follow a moving path so as to adhere the pre-impregnated tape onto the mould surface. The cutter mechanism is configured to cut the pre-impregnated tape. The heating mechanism, disposed downstream to the cutter mechanism, is configured to heat the pre-impregnated tape. The motion mechanism is used to have the cutter mechanism having an active path to move toward the moving path while the cutter mechanism cuts the pre-impregnated tape.

Abstract: A circuit board structure includes a substrate, a first build-up structure layer, first and second external circuit layers, at least one first conductive via, and second conductive vias. The first build-up structure layer is disposed on a first circuit layer of the substrate. The first external circuit layer is disposed on the first build-up structure layer. The second external circuit layer is disposed on a second circuit layer and a portion of a third dielectric layer of the substrate. The first conductive via is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias surround the first conductive via, and the first external circuit layer, the second conductive vias, the first circuit layer, the outer conductive layer, and the second external circuit layer define a first ground path. The first ground path surrounds the signal path.

Abstract: A circuit board, including a first dielectric material, a second dielectric material, a third dielectric material, a fourth dielectric material, a first external circuit layer, a second external circuit layer, a conductive structure, a first conductive via, and multiple second conductive vias, is provided. The first conductive via at least passes through the first dielectric material and the fourth dielectric material, and is electrically connected to the first external circuit layer and the second external circuit layer to define a signal path. The second conductive vias pass through the first dielectric material, the second dielectric material, the third dielectric material, and a part of the conductive structure, and surround the first conductive via. The second conductive vias are electrically connected to the first external circuit layer, the conductive structure, and the second external circuit layer to define a ground path, and the ground path surrounds the signal path.

Abstract: Provided is a circuit board structure including a substrate, a loop-wrapping ground layer, an insulating structure, a first build-up layer, a top wiring layer, a bottom wiring layer, a first conductive via, and a plurality of second conductive vias. The aforementioned structure defines a signal transmitting structure. An equivalent circuit of the signal transmitting structure at least includes a first equivalent circuit, a second equivalent circuit, a third equivalent circuit and a fourth equivalent circuit, which correspond to different uniform transmitting sections respectively. The first equivalent circuit, the second equivalent circuit, the third equivalent circuit and the fourth equivalent circuit are connected in series with each other according to an ABCD transmission matrix series connection principle.

Abstract: In an electrical connector and circuit board securing structure, the electrical connector includes an insulating housing, a plurality of conductive terminals and an outer housing. Two sides of the outer housing are each punched to form a wing. The wing extends downwardly to form a post. The circuit board is provided with an aperture. The two posts fit into the notches so that the outer housing of the electrical connector can be positioned firmly on the circuit board with good positioning between the two, will not vibrate, and can withstand plugging and unplugging.

Abstract: A memory card connector assembly is provided for mounting on a printed circuit board. The assembly includes a first memory card connector for mounting on the circuit board and including a housing defining a bottom card-receiving space for receiving a first memory card. A plurality of terminals are provided for electrically connecting appropriate contacts on the first memory card to the circuit board. A second memory card connector is provided for mounting over the top of the first connector. The second connector includes a housing defining a top card-receiving space for receiving a second memory card, along with a plurality of terminals for electrically connecting appropriate contacts on the second memory card to the circuit board.

Abstract: A card edge connector includes an insulating housing, a plurality of terminals, and two latches. The insulating housing has a main body and two lateral side frames. The terminals are mounted on the main body of the insulating housing. The two latches are individually mounted on a free end of two lateral side frames of the insulating housing. Each latch includes a main portion. The main portion is extended between two lateral side frames to be formed with a restrictive body, and extended along an outside face of two lateral side frames and formed with a resilient arm. A free end of the resilient arm is extended between the two restrictive bodies to be formed with a stopping plate.

Abstract: A memory card connector assembly is provided for mounting on a printed circuit board. The assembly includes a first memory card connector for mounting on the circuit board and including a housing defining a bottom card-receiving space for receiving a first memory card. A plurality of terminals are provided for electrically connecting appropriate contacts on the first memory card to the circuit board. A second memory card connector is provided for mounting over the top of the first connector. The second connector includes a housing defining a top card-receiving space for receiving a second memory card, along with a plurality of terminals for electrically connecting appropriate contacts on the second memory card to the circuit board.

Abstract: A memory card connector is provided for mounting on a printed circuit board. The connector includes an insulating housing having a rear terminal-mounting section and at least one side wall section extending forwardly from one end of the rear section and combining therewith to define a card-receiving space. The housing includes at least one through hole. A fastening element is positionable on the housing and has a fastening hole in alignment with the through hole in the housing. A fastener extends through the circuit board, through the through hole in the housing and into the fastening hole in the fastening element to fix the insulating housing on the circuit board.

Abstract: A card edge connector includes an insulative housing, a plurality of terminals and two latches. The insulative housing has a main body and two lateral side frames. The terminals are disposed on the main body of the insulative housing. The two latches are individually disposed on two free ends of the two lateral side frames of the insulative housing, and has two base portions. Wherein each base portion has a stopper extended from a front side of the base portion, an elastic arm connected with a rear side of the base portion, and a pushed portion extended from a free end of the elastic arm to the stopper. When the two pushed portions are individually pushed outwardly, the two pushed portions interfere with the corresponding stopper for limiting an outward pushing distance of the elastic arm.

Abstract: A card edge connector includes an insulating housing, a plurality of terminals, and two latches. The insulating housing has a main body and two lateral side frames. The terminals are mounted on the main body of the insulating housing. The two latches are individually mounted on a free end of two lateral side frames of the insulating housing. Each latch includes a main portion. The main portion is extended between two lateral side frames to be formed with a restrictive body, and extended along an outside face of two lateral side frames and formed with a resilient arm. A free end of the resilient arm is extended between the two restrictive bodies to be formed with a stopping plate.

Abstract: A memory card connector is provided for mounting on a printed circuit board. The connector includes an insulating housing having a rear terminal-mounting section and at least one longitudinal side wall section extending forwardly from one end of the rear section and combining therewith to define a card-receiving space for receiving a memory card in an insertion direction. The side wall section has an inside longitudinal groove for receiving a side edge of the memory card, along with a plurality of insertion slots. A plurality of conductive terminals are mounted on the rear terminal-mounting section of the housing. The terminals have contact portions projecting into said space for engaging appropriate contacts on the memory card. A locking member is mounted on the side wall section of the housing.

Abstract: A memory card connector is provided for mounting on a printed circuit board. The connector includes an insulating housing having a rear terminal-mounting section and at least one longitudinal side wall section extending forwardly from one end of the rear section and combining therewith to define a card-receiving space for receiving a memory card in an insertion direction. The side wall section includes (a) an inside longitudinal groove for receiving a side edge of the memory card, (b) a plurality of insertion slots and (c) an opening. A plurality of conductive terminals are mounted on the rear terminal-mounting section of the housing. The terminals have contact portions projecting into the card-receiving space for engaging appropriate contacts on the memory card.

Abstract: A card edge connector is used to receive an electrical card, and the electrical card can automatically withdraw from the card edge connector. The card edge connector comprises a main body, two arms, an insulative housing for receiving the electrical card, a plurality of terminals and an elastic element. The main body has a socket with a plurality of passageway. The terminals are received in corresponding internal grooves of the socket. The insulative housing further comprises a receiving hole communicated with the passageways. The elastic element is received in the receiving hole. When the electrical card is inserted into the socket of the card edge connector, the electrical card presses the elastic element, and the electrical card is withdrawn from the socket by elastic element.

Abstract: An electrical connector includes an insulating housing, a plurality of electrical terminals, an inner shield housing and an outer shield housing, the outer shielding is designed in a two-piece type and has a first shield member and a second shield member. The first shield member has a first resilient tab forwardly extending therefrom and the second shield member has a wing tab disposed therein, so as to the first resilient tab and the wing tab will not interfere with each other for the wing tab going with the outer shield housing, the electrical connector can be disposed in a recess on an edge of the PCB such that the electrical connector includes a portion thereof that is located above an outer surface of the PCB and another portion that is located below the outer surface of the PCB.

Abstract: An electrical connector includes an insulating housing, a plurality of electrical terminals, an inner shield housing and an outer shield housing, the outer shielding is designed in a two-piece type and has a first shield member and a second shield member. The first shield member has a first resilient tab forwardly extending therefrom and the second shield member has a wing tab disposed therein, so as to the first resilient tab and the wing tab will not interfere with each other for the wing tab going with the outer shield housing, the electrical connector can be disposed in a recess on an edge of the PCB such that the electrical connector includes a portion thereof that is located above an outer surface of the PCB and another portion that is located below the outer surface of the PCB.

Abstract: The present invention discloses a connector fixture, comprising a connector and a holding member; wherein the holding member forms a space for accommodating the connector, and the holding member on each of its left and right sides has one or more fixing surfaces extended upward, such that the end of the signal terminal of the connector is also bent upward to keep the connector in a positive plug-in direction when the connector is installed at the bottom of the circuit board.

Abstract: The present invention discloses a connector fixture, comprising a connector and a holding member; wherein the holding member forms a space for accommodating the connector, and the holding member on each of its left and right sides has one or more fixing surfaces extended upward, such that the end of the signal terminal of the connector is also bent upward to keep the connector in a positive plug-in direction when the connector is installed at the bottom of the circuit board.

Abstract: In an electrical connector and circuit board securing structure, the electrical connector includes an insulating housing, a plurality of conductive terminals and an outer housing. Two sides of the outer housing are each punched to form a wing. The wing extends downwardly to form a post. The circuit board is provided with an aperture. The two posts fit into the notches so that the outer housing of the electrical connector can be positioned firmly on the circuit board with good positioning between the two, will not vibrate, and can withstand plugging and unplugging.