Abstract: A camera includes a first substrate having top and bottom surfaces, a second substrate having top and bottom surfaces, a spacer substrate between a substantially planar portion of the top surface of the second substrate and a substantially planar of the bottom surface of the first substrate, at least two of the first substrate, the second substrate and the spacer substrate sealing an interior space, a detector within the interior space, and an electrical interconnection extending from the detector to outside the interior space.

Abstract: A pluggable guiding apparatus is used for an opening of a case and there are two guiding elements arranged at two sides of the opening. The pluggable guiding apparatus includes: a main frame, wherein the size of the main frame is corresponding to the opening of the case and the main frame is divided into a plurality of sub-slot openings; and a plurality of sub-guiding elements arranged on the main frame, wherein the sub-guiding elements are arranged on two sides of the sub-slot openings, and the sub-guiding elements and guiding elements are set face to face for guiding a plurality of pluggable sub-modules to be inserted into the case.

Abstract: A cover is coupled to an enclosure body for a relative sliding movement. An opening operating member is attached to the enclosure body. An enclosure includes a sliding mechanism for sliding the cover. When the cover is to be removed, a user operates the opening operating member so as to cause the cover to slide. The user can thus recognize the movable portion of the enclosure. At the same time, the user can recognize the direction of movement of the movable portion, that is, the cover. Even the user who does not remember the operation of releasing can carry out the operation to remove the cover with small force and relatively easily.

Abstract: A cover for memory sockets of a computer memory module includes a face panel spaced away from the memory sockets. The cover is held in place via latches associated with the memory sockets. Tabs are spaced along opposite sides of the cover to define openings for the memory sockets. Members span between opposite pairs of tabs to define air passageways underneath the cover. Each member resides between an adjacent pair of memory sockets.

Abstract: A system and method is provided for individually changing the peripheral cards of an electronic device, when the cards are operationally held inside a chassis on a rack cabinet. Included is a platform for holding the peripheral cards, and a slide carrier mounted on the chassis for moving the platform with cards into and out of the internal chamber of the chassis. Importantly, this is done while the chassis remains stationary on the rack cabinet. When moved outside the chassis chamber, each peripheral card can be individually handled (i.e. installed or removed) without contact or operational interference with other peripheral cards held on the platform. Adapters on the platform can be adjusted to accommodate the dimensions of each peripheral card.

Abstract: A cassette matrix having a first cassette and a second cassette disposed immediately adjacent to each other is provided. The outer sides of the cassettes are in contact and there are no fastener components, such as, but not limited to, a bolt head or nut, disposed between adjacent sidewalls. In this configuration, the cassette matrix requires a reduced amount of space within a larger housing assembly. Each cassette utilizes threshold mounting fasteners to coupled any components to the lateral sidewall. A threshold mounting fastener does not extend outwardly beyond the general plane of the lateral sidewall.

Abstract: A mounting device includes a chassis, a transfer card electronically connected to a motherboard, and a mounting bracket assembly. The mounting bracket assembly includes a clamping member and a fastening member. The clamping member clamping a first end of the transfer card and restricting movement of the transfer card in a first direction. The fastening member fastening an opposite second end of the transfer card to restrict movement of the transfer card in a second direction perpendicular to the first direction.

Abstract: A display apparatus improved in the structure to connect a board assembly having a personal computer (PC) function. The display apparatus includes a display module embodying an image, a supporting frame disposed at a rear part of the display module, a plurality of driving circuit boards mounted to the supporting frame to drive the display module, a guide member disposed at one side of the plurality of driving circuit boards, a board assembly removably connected to the guide member but not electrically connected with the driving circuit boards, and a rear cover covering the display module and the supporting frame while providing a space for the board assembly to be connected to the guide member with one side exposed.

Abstract: In various exemplary embodiments, the present invention provides improved card guide and heatsink assemblies for pluggable electro-optic modules utilized in optical communications networks and the like. More specifically, the present invention provides a solderable surface-mounted card guide assembly and a staggered heatsink assembly. These assemblies are utilized with small-form factor pluggable electro-optic modules and the like, and the concepts presented herein can be extended to XFP, XENPAK, XPAK, and X2 electro-optic modules, for example. The solderable surface-mounted card guide assembly of the present invention finds particular applicability with small-form factor pluggable electro-optic modules not utilizing any type of module cage, while the staggered heatsink assembly of the present invention finds particular applicability with small-form factor pluggable electro-optic modules both not utilizing and utilizing any type of module cage.

Abstract: A flat panel display. A panel module and a first securing assembly. A shield has a longitudinal first opening at a side thereof, extending along a first direction. A connection member has a recess extending along the first direction and a second opening extending along a second direction. A panel module is disposed in the recess. The first securing assembly is fastened through the first and second openings and movable with respect to the first and second openings to secure the shield and the connection member.

Abstract: An information handling system includes a chassis having a guide slot and a printed circuit board placed in guide slot of the chassis. The guide slot includes at least two opposing channels aligned adjacent the printed circuit board with a guide tab formed in one of the opposing channels. A daughter card electrically couples to the printed circuit board when placed in an attached position. The daughter card includes a first edge and a second edge that slides between the opposing channels of the guide slot such that the card aligns to couple to the printed circuit board. The card also includes a first detent formed in either the first edge or the second edge. The first detent releaseably interacts with the guide tab formed in the opposing channels such that the guide tab contacts the first detent when the card is placed in an intermediate position.

Abstract: A retaining device for PCI card includes a chassis, a clipping plate configured for retaining a PCI card, and a latch member. The chassis has a rear wall. A mounting bracket secured on the rear wall. A blocking wall perpendicularly extends from the rear wall. The mounting bracket includes a sidewall opposite to the blocking wall. The clipping plate includes a first end engaged with the chassis and a second end abutting on the sidewall of the mounting bracket. The latch member is tightly sandwiched between the blocking wall of the chassis and the sidewall of the mounting bracket. The latch member depresses the second end of the clipping plate thereby forcing the second end of the clipping plate to abut against the sidewall of the mounting bracket.

Abstract: A patch panel system including a chassis and a plurality of modules. The chassis includes elongated structures configured to interconnect top, bottom and side portions of the chassis. The elongated structures are also configured to receive and secure a printed circuit board and the plurality of modules to the chassis. The modules include a housing and a module card. The card can include a variety of connections that provide communication to connections located on a back plane of the chassis. The system can include a combination of passive and active modules that are interchangeable to provide a variety of interface configurations.

Abstract: A printed board includes a printed board body and throwaway boards provided on opposite sides of the printed board body through joining portions spaced away from each other in a longitudinal direction. Bores are provided in areas bridging the joining portions and throwaway boards. The bores can receive guide pins on a conveying unit for carrying the printed board to an electronic element mounting apparatus. The joining portions and throwaway boards can be removed from the printed board body after mounting the electronic elements on the printed board. This structure can minimize a width of a throwaway board and reduce total costs without lowering mounting efficiency of electronic elements in an electronic element mounting step.

Abstract: An exemplary retention assembly includes a latch structure and a latch holder. The latch structure is formed on a platform. The latch structure has an engaging portion and a latching portion. The latch holder has a holding protrusion, a pushing portion, and an engaging portion. The holding protrusion is configured for engaging with the latching portion of the latch structure. The elastic pushing portion is configured for causing the latch holder to engage with or disengage from the engaging portion of the latch structure. The engaging portion is configured for engaging with the engaging portion of the latch structure. The latch holder is rotatable around the latching portion of the latch structure.

Abstract: A fixing heat dissipating unit that is disposed in an electronic device is connected to a substrate and a heat source. The fixing heat dissipating unit includes a fixing element and a heat conducting element. The fixing element is connected to the substrate to hold the substrate in the electronic device. The heat conducting element is respectively connected to the heat source and the fixing element. The heat source is a part of the electronic device and the fixing element is integrated with the heat conducting element as a single component. An electronic device having the fixing heat dissipating unit is also disclosed.

Abstract: Apparatus and systems described herein provide for a randomly-accessible electrical busbar with a protective cover and an associated mating connector. Both the busbar and the associated mating connector have multiple, electrically conductive bristles protruding from a surface. The busbar is protected by a nonconductive fabric cover to reduce the risk of a person from accidentally contacting the electrically conductive bristles. A connection is made between the mating connector and the busbar by the bristles of the mating connector penetrating the protective fabric cover and interdigitating with the bristles of the busbar.

Abstract: The present invention relates to a module with fixed structures, which comprises a module body, a latch and a resilient snapper mounted on the module body like a cantilever. The latch movably connected to the module body can move between the lock position and the unlock position, and on the module body is set a stop surface for preventing the latch from disengagement. The latch moves between the lock and unlock positions. When in the lock position, the latch is at least partly in the downward movement path of the free end of the resilient snapper; and when in the unlock position, the latch is out of the downward movement path of the free end of the resilient snapper. By employing a latch to control the moving space of the resilient snapper, the structure concerned is simple, and moreover only upon a toggle operation can the latch be switched between different positions.

Abstract: An add-in card fastener is provided. The fastener includes a base, a pressing part, a latch and a supporting part. The base is fixed on an inner surface of a computer case. The pressing part is pivotally connected to the base. The pressing part has a pin located on a first surface of the pressing part to press an add-in card on a motherboard. The supporting part is connected to the base. The latch is located on one side of the supporting part and presses a second surface of the pressing part when the pressing part presses the add-in card. The second surface of the pressing part is opposite the first surface of the pressing part.

Abstract: A configurable chassis guidance system and method are described. The system may be practiced as a chassis and/or a module or an element thereof (e.g., a mating guide). The system and method allow reconfiguration of multiple modules of various module widths without the need for removal or reinstallation of module guides mounted on the chassis. As an example, a single-width module may be removed and replaced by a double-width module or quadruple-width module without removing module guides used to engage the single-width module. As another example, a double-width module or quadruple-width module may be removed and replaced by a single-width module without removing module guides used to engage the double-width module or quadruple-width module. The system and method may be practiced so as not to impair compatibility of modules with card edge module guides that engage an edge of a circuit board of a module.

Abstract: In an information processing apparatus having a function for exploiting higher performance than a single server module by constituting an SMP by combining a plurality of server modules, a user is inhibited from illegally constituting an SMP construction that exceeds license information. When a partition is constituted by a construction against the SMP license information, a slot number representing the number of server modules belonging to a partition and mounted to a chassis and the number of server modules in the same partition are checked and the SMP construction is inhibited when they do not fall within the range of the slot number and the number of server modules in the license information.

Abstract: An alignment system for a mezzanine-type printed circuit board is provided. The alignment system includes tab portions formed from the insulating material of the printed circuit board, in which the tab portions engage receptacles and limit movement of the printed circuit board.

Abstract: A riser card module includes a riser card and a mounting rack. The riser card is inserted in a slot of a main board vertically and has a first hook member arranged on the side of the slot. The mounting rack includes an upright board and an engagement member. The upright board mounts the riser card in parallel. The engagement member has a mounted portion, a force portion, and a hook portion. The mounted portion is mounted on the upright board. The force portion and the mounted portion form a predetermined angle. The hook member is connected on the force portion and has a second hook member hooking on the first hook member. When the force portion is pressed toward a direction reducing the predetermined angle, the second hook member is disengaged from the first hook member.

Abstract: An electronic device installation structure for housing an electronic device which is coupled with a signal transmission dock includes a chassis which has a housing trough to hold the electronic device. The housing trough and the electronic device have respectively a guiding track and a boss that correspond to each other. The guiding track has an inlet and a distal end that jointly define a moving displacement of the boss. The boss can be moved along the guiding track to allow the electronic device to be steadily and fully loaded into the housing trough. The electronic device and the housing trough form an interval between them in the fully loaded condition that is proximate to the thickness of the signal transmission dock so that a secure electric connection is established between the signal transmission dock and the electronic device.

Abstract: An electronic device swappable to be embedded into a system cabinet includes a casing and a locking element. The casing includes a first sidewall and a second sidewall, which have a first opening and a second opening, respectively. The locking element includes a first end part, a protrusion part, a bent part and a second end part. The first end part is fixed on an inner surface of the second sidewall of the casing. The protrusion part is partially exposed from the second opening to be engaged with a receiving structure of the system cabinet. The bent part is arranged between the first end part and the protrusion part. The second end part is exposed from the first opening so as to be protruded from the first sidewall of the casing.

Abstract: A strip-shaped package is provided that can accept a single die up to many dice. Conduction paths are printed (or otherwise integrally formed) thereon to the edge of the package, and a complementary socket may be provided that, in combination with the strip-shaped package, provides for electrical connection to test electronics without the use of package leads. The strip-shaped package may be made of ceramic or other temperature resistant material. The strip-shaped package may have at least one “well” location in which the die or dice may be affixed to the strip-shaped package. The strip may have notches configured to function as separators between the individual die housings (and related integrally-formed conduction paths).

Abstract: A plug-in unit-mounting structure which makes it possible to efficiently accommodate plug-in units without being dependent on the structure of a shelf. The plug-in unit-mounting structure comprises a shelf that has connectors disposed on a back wiring board, for being fitted to the plug-in units, and at least one mounting frame that is mounted in the shelf, for each accommodating an associated one of the plug-in units, and enabling the plug-in unit to be inserted in and removed from an associated one of the connectors, the mounting frame being provided with a guide rail which enables a position of disposition of the plug-in unit to be changed according to a size of the plug-in unit. This makes it possible to efficiently accommodate plug-in units without being dependent on the structure of a shelf.

Abstract: A housing combination includes a housing (51) and a shielding enclosure (55). The housing has a peripheral wall and a receiving hole (511). The peripheral wall surrounds the receiving hole configured for receiving a surface contact card. A guiding element (52) is positioned in at least one part of the peripheral wall of the receiving hole. The shielding enclosure is disposed at one side of the housing, one part of the shielding enclosure exposed from the receiving hole configured for supporting the surface contact card.

Abstract: A mezzanine board alignment and mounting device includes a multi-stage pin connected to a main board near a mezzanine board connector disposed on the main board. The multistage pin includes a base adapted to connect to the main board, a point distal to the base adapted to pass through an opening on a mezzanine board, and a support disposed between the base and the point. A diameter of the point widens towards the support. A diameter of the support is wider than a diameter of the opening. When the point is fully inserted through the opening in the mezzanine board, the mezzanine board is aligned properly to connect with the mezzanine board connector on the main board.

Abstract: An exemplary mounting apparatus for an expansion card with an end plate includes a mounting bracket, and a retaining member slidably attached to the bracket. The mounting bracket includes a supporting panel having a protruding bridge extending therefrom, and a pair of flanges defining a pair of slanting railways therein. The retaining member includes a hook depending from a retaining wall, and a pair of sliding bars extending from a pair of sidewalls. The sliding bars slide along the railways to sandwich the end plate of the expansion card between the supporting panel and the retaining wall. The hook engages with the protruding bridge to lock the retaining member to the mounting bracket.

Abstract: An improved rack unit assembly having at least one receptacle, such as a power receptacle, includes a cover for removable attachment to the assembly, where the panel includes an opening in the panel for permitting a connector on a cord, such as a power cord, to extend through the panel to releasably engage the at least one receptacle in the assembly, and a channel originating at the opening for receiving and guiding the cord. Optionally, the channel in the cover may include tabs along the channel for keeping the cord in the channel and the opening of the cover for the rack unit may include a means of strain relief for preventing the connector on the cord from inadvertently disengaging from the receptacle.

Abstract: A riser card module is installed in a slot of a main board. The slot has a first hook member arranged on the side of the slot. The riser card module includes a riser and a mounting rack. The riser card is inserted in the slot vertically. The mounting rack is connected to the riser card. The mounting rack includes an upright board and a sliding device. The upright board mounts the riser card in parallel and includes a first sliding member. The sliding device has a second sliding member and a hook member. The second sliding member is arranged in respect of the first sliding member so that the sliding device is slid with respect to the upright board in a direction parallel with the main board. The second hook member is hooked to the first hook member.

Abstract: A CPU mounting apparatus is disclosed. The CPU mounting apparatus includes a CPU receiver, two lever holders, two clips, two resilient members, a pair of levers, and a handle. The CPU receiver defines a cavity for receiving a CPU. The two clips are slidably mounted between the lever holders and the CPU receiver and include clip ends for holding the CPU. The resilient members apply resilient forces on the clips so that the clips can hold the CPU firmly. The levers are fixed on the lever holders and are positioned between the clips for pushing the clips to move. The handle is mounted on the lever holders above the levers for driving the levers to move. The CPU mounting apparatus is used to load/remove a CPU to/from a socket.

Abstract: A replaceable battery fixture is disclosed for fixing a replaceable battery device having a first fixing portion and a second fixing portion to a housing of an electronic equipment. The replaceable battery fixture includes a first fixing member for being fixed to the first fixing portion of the replaceable battery device, and a second fixing member for being fixed to the second fixing portion of the battery device. The second fixing member can move bias and elastically in accordance with the housing, so as to bias move the second fixing member by the second fixing portion of the battery device after the first fixing member is fixed to the first fixing portion. A force for bias moving the second fixing member is released when the replaceable battery device reaches to a predetermined position, so that the second fixing member is restored by its elastic force and fixed to the second fixing portion.

Abstract: A retention device is applied in an electronic device that has a case and a circuit board. The circuit board may shift relative to the case along a integrate direction or a release direction. The retention device includes a fixed base, a fastener, and a latching member. The fixed base is disposed on the case and has a slot. The fastener is disposed on the case, and may be deformed under a force. The latching member is disposed on one side of the circuit board. When the latching member shifts along the integrate direction with the circuit board, the fastener is pressed to be deformed, so the latching member is limited in the slot. When the fastener is deformed by an external force, the latching member is disengaged with the slot along the release direction, so that the circuit board may be fixed on or detached from the case.

Abstract: A method of accessing a motherboard in a computer system includes, during sliding of a card along a guide slot in the system, automatically interacting a first detent formed along an edge of the card with a guide tab when the card reaches an intermediate position to support the card in the intermediate position detached from the motherboard. The detachment of the card and the motherboard is sufficient to permit access to the motherboard while the card remains coupled to a system chassis. Interacting the guide tab with the detent may include extending a portion of the guide tab into the detent to provide lateral support for the card. The guide tab may be a metallic leaf spring and may be affixed to the chassis and may provide an electrical contact to a ground contact in a second detent to ground the daughter card when its attached to the motherboard.

Abstract: A connecting/disconnecting element (6a; 6b) for retaining a component (1) on a PCB (3), said connecting/disconnecting element (6a; 6b) comprising at least one longitudinal arm (61a, 62a; 61b) with a first end (63a; 63b) adapted to engage through a hole (30) in said PCB (3), and a second opposite end (64a; 64b), said element being adapted to clip onto said PCB (3) whilst bridging component (1) with said longitudinal arm extending in a retaining position parallel to the plane of the PCB and to a top surface of said component. According to the invention, said element is made of electrical conductive material, said longitudinal arm is (61a, 62a; 61b) adapted to be in contact, in said retaining position, with an electrical conductive part of said top surface, and said hole (30) is a plated through hole with which said first end (63a; 63b) is adapted to be in contact with in said retaining position, thus achieving both mechanical holding of component and electrical connection to ground.

Abstract: A handheld computing device is disclosed. The handheld computing device includes a seamless enclosure formed from an extruded tube. The extruded tube includes open ends and internal rails which serve as a guide for slidably assembling an operational assembly through the open ends of the extruded tube, a reference surface for positioning the operational assembly relative to an access opening in the seamless enclosure, and a support structure for supporting the operational assembly during use.

Abstract: A one-piece expansion card retainer may be installed in either of two positions to accommodate both full-height and low-profile expansion cards. The bi-positional expansion card retainer exerts flexional force on an expansion card to help maintain the expansion card in its proper position during shipment of an electronic device.

Abstract: The present invention has an object to provide an integrated electric compressor further downsized. An inverter control apparatus comprises: a power board 16 converting a direct current supplied from a high voltage power supply to an alternating current and applying it to a motor; and a control circuit board 15 controlling the application of the alternating current to the motor, wherein the power board 16 and the control circuit board 15 respectively have tall components 28 and 52 surface-mounted on one surfaces, which are relatively taller than components on the other surfaces, and the one surfaces face each other. The tall components 28 and 52 of the power board 16 and the control circuit board 15 are placed facing each other without interfering with each other in projection directions thereof.

Abstract: A patch panel system including a chassis and a plurality of modules. The chassis includes elongated structures configured to interconnect top, bottom and side portions of the chassis. The elongated structures are also configured to receive and secure a printed circuit board and the plurality of modules to the chassis. The modules include a housing and a module card. The card can include a variety of connections that provide communication to connections located on a back plane of the chassis. The system can include a combination of passive and active modules that are interchangeable to provide a variety of interface configurations.

Abstract: I an LSI package, an interface module includes with an interposer having a signal processing LSI mounted thereon and has electric connection terminals for connection to a mounting board and a transmission line for transmitting a high-speed signal to an external wiring. An electric connection terminal is formed in each of the interposer and the interface module for electrically connecting the interposer and the interface module to each other by the mechanical contact, and a fixing holder is mounted for allowing the electric connection terminals to hold the electric connection between the interposer and the interface module. Thus, it is possible to suppress the increase in the manufacturing cost that is caused by the complex construction of the assembly.

Abstract: An improved device and method for mounting an avionic system is shown. The design provides varying locations of key components, which allows a single mounting system to be used with several varieties and configurations of aircraft within the crowded confines of an instrument panel. Ranges of flexibility with this system include the ability to arrange modules horizontally, and the ability to locate the display unit vertically. The multi-dimensional mounting flexibility of the mounting system shown allows electronic modules to be mounted in close proximity to a display unit, which greatly increases accessibility of the modules over prior configurations where modules were housed in the nose of the aircraft, the rear of the aircraft, or other remote locations. Installation, repair, and replacement are all greatly simplified with this configuration.

Abstract: A data management device and library are provided for organizing, holding, and providing electrical connectivity to multiple memory cards. The data management device can comprise a device body, a plurality of sockets to accommodate the data storage media, an electrical connector, and a power management circuit. Data can be retrieved from or transferred to the selected memory cards utilizing the device. The data management library can be utilized to interconnect multiple devices and can be daisy chained to other libraries.

Abstract: A system having a removable protective enclosure for an electronic component. The protective enclosure may have a base and a circuit board that may be captured by the base without use of a tool or a separate fastener. A memory module may be disposed on the circuit board. The protective enclosure may be adapted to be mechanically and electrically coupleable to an enclosure.

Abstract: A casing for carrying a detachable expansion card having a connecting plate includes a main frame, a first limit element and a second limit element. The main frame has a first surface for leaning against the connecting plate partially, a second surface and a third surface. The first limit element pivoted to the main frame swings about a first axis between a first location and a second location. The second limit element pivoted to the main frame, disposed on the second surface and adjacent to the first limit element swings about a second axis between a third location and a fourth location. The first limit element locked by the second limit element locks the connecting plate and covers part of the third surface to fix the detachable expansion card in the casing when the first and the second limit elements are located at the second and the fourth locations respectively.

Abstract: A wafer level packaging structure with inductors and manufacture method thereof. The method comprises providing a substrate, having several inductors, forming conductive lines and holes to connect the inductors and the wafer, and bonding the substrate and the wafer via bonding pads. Therefore, there are air gaps between the inductors and the wafer, thereby reducing the inductor's dispassion loss and increasing the inductor's quality factor. In addition, the inductors having a high quality factor can be integrated in the wafer containing active/passive components.

Abstract: In a casing unit for accommodating a printed circuit board, a case has a plurality of walls, one of the walls being partially or entirely open to form an open surface through which the board is inserted into the case. Guides, secured on side walls, comprise two guide protruding members each formed to protrude from the side walls and positioned to partly contact both sides of the board to be inserted into the case, whereby the board is positioned in a planar direction thereof. A cover, applied to the case to cover the open surface of the case, comprises a vertically positioning member positioning the board in a vertical direction, when the cover is applied to the case to cover the open surface, by pinching an end of the board in the vertical direction. The end of the board is located in the open surface of the case.

Abstract: A power supply early warning device for pulling out a power plug is composed of a power supply, which is loosely connected with a handle, with the handle being installed with a locking hole. A long through-hole is installed at a side edge of the power socket, and a locking member is provided with a pushing plate, with an end of which being formed with a projection piece. the locking member is installed with a locking plate which can be locked or loosely connected into the long through-hole, and the pushing plate can be slidingly displaced on an outer wall of a rim of the long through-hole, allowing the projected piece to be locked into or released from the locking hole of the handle, so as to prevent from a deformation or a short-circuiting between the power plug and the socket by a dragging of external force, and to further enable a user to displace the power supply more safely, without damaging the entire power supply system.

Abstract: A mounting apparatus for an expansion card (30) includes a computer panel (12), a bracket (14) mounted to the computer panel, and a card holder (20) mounted to the bracket. At least a post (1416) is formed on the bracket. The card holder includes a body (22) glidingly mounted to the bracket for installing the expansion card and a handle (24) resisted by the post of the bracket for preventing the body from sliding out so as to fix the card holder in position.