Abstract: A stamping head includes a stamping portion and a connection portion connected to the stamping portion. The stamping portion includes a top surface and four side surfaces. The stamping head defines a jag extending from a junction between a specific one of the side surfaces and the top surface toward a centre of the top surface. The jag passes through the specific side surface. When the stamping head presses a ACF onto a ceramic substrate, a residual air between the ACF and the ceramic substrate flows outside through the jag.

Abstract: An apparatus for assembling camera modules to flexible printed circuit boards (PCBs) includes a number of trays, a surface mounting device used in surface mount technology (SMT) for PCBs, and a hot pressing device. Workpieces, each of which includes a flexible PCB (FPCB) and a lens module positioned on the FPCB, are received in the trays. Each tray is sent to the surface mounting device. The surface mounting device loads and pastes a stiffener onto a FBCB, opposite to a lens module. The hot pressing device hot presses each stiffener to the respective workpiece, which is received in each tray sent from the surface mounting device, to fixedly secure the stiffener to the respective workpiece to form a camera module.

Abstract: A SMT tape includes a carrier tape, a number of separation pads, a number of workpieces, and a package tape. The carrier tape includes a package surface and defines a number of receiving grooves in the package surface and arranged along a length direction of the carrier tape. The separation pads are received in the receiving grooves and fixed to bottom surfaces of the receiving grooves respectively. Each separation pad includes a separation surface opposite to a bottom surface of the corresponding receiving groove and a number of protrusions protruding up from the separation surface. The workpieces are respectively received in the receiving grooves. Each workpiece includes a main body and an adhesive layer positioned between the corresponding separation pad and the main body. The package tape is adhered to the package surface and seals the receiving grooves.

Abstract: An image sensor module includes a ceramic substrate, an image sensor, a conductive film, a flexible print circuit board (FPCB), and a stiffening plate. The ceramic substrate includes an upper surface and a lower surface opposite to the upper surface, the ceramic substrate defines a transparent hole on the upper surface and a receiving recess on the lower surface. The transparent hole communicates with the receiving recess. The image sensor is received in the receiving recess and is electrically connected to the ceramic substrate. The FPCB is electrically connected to the lower surface of the ceramic substrate by the conductive film. The stiffening plate is positioned on one side of the FPCB opposite to the ceramic substrate.

Abstract: An attachment device includes an exhaust, a connecting pipe, and an adhering head. The adhering head includes an adhering surface, and the adhering surface defines a number of evenly spaced adhering holes for adhering a conductive adhesive film. The connecting pipe air-tightly connects the exhaust to the adhering head.

Abstract: A circuit board assembly includes a flexible circuit board, a conductive adhesive, and a number of reinforcing plates. The flexible circuit board includes a first surface and a second surface. A number of board pads are mounted on the first surface. The conductive adhesive is coated on the first surface and entirely covers all of the board pads. The reinforcing plates are positioned on the second surface. Each of the reinforcing plates spatially corresponds to a respective one of the board pads. The reinforcing plates provide both physical grounding and stiffening of the circuit board assembly.

Abstract: A circuit board assembly includes a flexible circuit board, a dielectric layer and a reinforcing plate. The flexible circuit board includes a surface. A copper plating layer is positioned on the surface. The copper plating layer includes a circuit portion and a grounding portion. The circuit portion is entirely covered by the dielectric layer. The grounding portion is exposed outside the dielectric layer. The dielectric layer includes a bonding portion. The reinforcing plate includes a connection surface. The connection surface defines a cavity spatially corresponding to the bonding portion. The connection surface also includes an extending portion which is bulgy with respect to a bottom surface of the cavity. The extending portion spatially corresponds to the grounding portion. The bonding portion is received in the cavity with the extending portion in contact with and electrically connecting to the grounding portion by means of a conductive adhesive.

Abstract: A circuit board assembly includes a flexible circuit board and a reinforcing plate. The flexible circuit board includes a surface. A conductive layer is positioned on the surface. The conductive layer includes a circuit portion entirely covered by a dielectric layer and a grounding portion exposed outside the dielectric layer. The reinforcing plate is mounted on the dielectric layer. The reinforcing plate includes a connection surface connected to the dielectric layer and a supporting surface facing away from the connection surface. Projections extend from the connection surface. The location of all of the projections correspond to the location of the grounding portion, and all of the projections are in electrical contact with the grounding portion by means of a conductive adhesive.

Abstract: A flexible printed circuit board (FPCB) assembly includes a FPCB, a dielectric layer, a stiffener, and a conductive adhesive layer. The FPCB includes a surface and a conductive layer positioned on the surface of the FPCB. The conductive layer includes a circuit portion and a grounding portion connected to the circuit portion. The circuit portion is entirely covered by the dielectric layer and the grounding portion is exposed outside the dielectric layer. The conductive adhesive is positioned on the stiffener and includes a first adhering portion and a second adhering portion. A thickness of the second adhering portion is greater than the first adhering portion. A thickness difference between the second adhering portion and the first adhering portion is substantially equal to a thickness the dielectric layer. The first adhering portion is adhered to the dielectric layer and the second adhering portion is adhered to the grounding portion.

Abstract: A SMT tape includes a carrier tape, a number of separation pads, a number of workpieces, and a package tape. The carrier tape includes a package surface and defines a number of receiving grooves in the package surface and arranged along a length direction of the carrier tape. The separation pads are received in the receiving grooves and fixed to bottom surfaces of the receiving grooves respectively. Each separation pad includes a separation surface opposite to a bottom surface of the corresponding receiving groove and a number of protrusions protruding up from the separation surface. The workpieces are respectively received in the receiving grooves. Each workpiece includes a main body and an adhesive layer positioned between the corresponding separation pad and the main body. The package tape is adhered to the package surface and seals the receiving grooves.

Abstract: An apparatus for assembling camera modules to flexible printed circuit boards (PCBs) includes a number of trays, a surface mounting device used in surface mount technology (SMT) for PCBs, and a hot pressing device. Workpieces, each of which includes a flexible PCB (FPCB) and a lens module positioned on the FPCB, are received in the trays. Each tray is sent to the surface mounting device. The surface mounting device loads and pastes a stiffener onto a FBCB, opposite to a lens module. The hot pressing device hot presses each stiffener to the respective workpiece, which is received in each tray sent from the surface mounting device, to fixedly secure the stiffener to the respective workpiece to form a camera module.

Abstract: A stamping head includes a stamping portion and a connection portion connected to the stamping portion. The stamping portion includes a top surface and four side surfaces. The stamping head defines a jag extending from a junction between a specific one of the side surfaces and the top surface toward a centre of the top surface. The jag passes through the specific side surface. When the stamping head presses a ACF onto a ceramic substrate, a residual air between the ACF and the ceramic substrate flows outside through the jag.

Abstract: An image sensor module includes a ceramic substrate, an image sensor, a conductive film, a flexible print circuit board (FPCB), and a stiffening plate. The ceramic substrate includes an upper surface and a lower surface opposite to the upper surface, the ceramic substrate defines a transparent hole on the upper surface and a receiving recess on the lower surface. The transparent hole communicates with the receiving recess. The image sensor is received in the receiving recess and is electrically connected to the ceramic substrate. The FPCB is electrically connected to the lower surface of the ceramic substrate by the conductive film. The stiffening plate is positioned on one side of the FPCB opposite to the ceramic substrate.

Abstract: A device for assembling a camera module includes a base and a buffer layer. The camera module includes a flexible printed circuit board (FPCB), a lens module positioned on the FPCB, and a stiffener adhering to the FPCB, opposite to the lens module. The lens module includes a first stepped surface facing away from the FPCB. The base includes a supporting surface for supporting the FPCB and defines a holding groove in the supporting surface for holding the lens module. The holding groove forms a second stepped surface for supporting the first stepped surface. The buffer layer is positioned on the second stepped surface and is elastically compressed when the camera module is subjected to a hot pressing process, which secures the stiffener adhering to the FPCB, to provide relief against, and extend the duration of, various pressures applied to the camera module.

Abstract: A circuit board assembly includes a flexible circuit board, a conductive adhesive, and a number of reinforcing plates. The flexible circuit board includes a first surface and a second surface. A number of board pads are mounted on the first surface. The conductive adhesive is coated on the first surface and entirely covers all of the board pads. The reinforcing plates are positioned on the second surface. Each of the reinforcing plates spatially corresponds to a respective one of the board pads. The reinforcing plates provide both physical grounding and stiffening of the circuit board assembly.

Abstract: A flexible printed circuit board (FPCB) assembly includes a FPCB, a dielectric layer, a stiffener, and a conductive adhesive layer. The FPCB includes a surface and a conductive layer positioned on the surface of the FPCB. The conductive layer includes a circuit portion and a grounding portion connected to the circuit portion. The circuit portion is entirely covered by the dielectric layer and the grounding portion is exposed outside the dielectric layer. The conductive adhesive is positioned on the stiffener and includes a first adhering portion and a second adhering portion. A thickness of the second adhering portion is greater than the first adhering portion. A thickness difference between the second adhering portion and the first adhering portion is substantially equal to a thickness the dielectric layer. The first adhering portion is adhered to the dielectric layer and the second adhering portion is adhered to the grounding portion.

Abstract: A circuit board assembly includes a flexible circuit board, a dielectric layer and a reinforcing plate. The flexible circuit board includes a surface. A copper plating layer is positioned on the surface. The copper plating layer includes a circuit portion and a grounding portion. The circuit portion is entirely covered by the dielectric layer. The grounding portion is exposed outside the dielectric layer. The dielectric layer includes a bonding portion. The reinforcing plate includes a connection surface. The connection surface defines a cavity spatially corresponding to the bonding portion. The connection surface also includes an extending portion which is bulgy with respect to a bottom surface of the cavity. The extending portion spatially corresponds to the grounding portion. The bonding portion is received in the cavity with the extending portion in contact with and electrically connecting to the grounding portion by means of a conductive adhesive.

Abstract: A circuit board assembly includes a flexible circuit board and a reinforcing plate. The flexible circuit board includes a surface. A conductive layer is positioned on the surface. The conductive layer includes a circuit portion entirely covered by a dielectric layer and a grounding portion exposed outside the dielectric layer. The reinforcing plate is mounted on the dielectric layer. The reinforcing plate includes a connection surface connected to the dielectric layer and a supporting surface facing away from the connection surface. Projections extend from the connection surface. The location of all of the projections correspond to the location of the grounding portion, and all of the projections are in electrical contact with the grounding portion by means of a conductive adhesive.

Abstract: A protection cap for protecting a camera module slides over a lens barrel receiving at least one lens. The protection cap is made of elastic material and is hollow. The protection cap includes an enclosed end and an open end. The lens barrel is passed through the open end and the open end sleeves over the camera module. The enclosed end protects the camera module against damage and contamination.

Abstract: A digital camera module (100) includes a housing (80), a lens module (10), an image sensing module (30) and a focusing module (40). The lens module is secured in the housing and exposes out of the housing to receive light reflected from an object. The image sensing module is mounted in the housing to receive the reflected light from the lens module and convert the light into a captured image, and includes a movable base and an image sensor installed in the base. The focusing mechanism is mounted in the housing for driving the base and the image sensor to gradually move relative to the lens module such that the digital camera module is steplessly focused.