Abstract: The present invention relates to a whisker-free coating structure and a method for fabricating the same. The whisker-free coating structure comprises a substrate, a tungsten doped copper layer and a lead-free tin layer, wherein the tungsten doped copper layer and the lead-free tin layer are formed on the substrate in turns; So that, the whisker growth in the lead-free tin layers can be effectively suppressed by this whisker-free coating structure.

Abstract: A method for inhibiting growth of tin whiskers is provided. The method includes providing a metal substrate, treating the metal substrate by an annealing process, and forming a tin layer to cover a surface of the metal substrate, wherein the surface of the tin layer has no tin whisker.

Abstract: A whisker-free coating structure and a method for fabricating the same are disclosed. The whisker-free coating structure includes a substrate, a tungsten doped copper layer overlaying the substrate, and a lead-free tin layer overlaying the tungsten doped copper layer.

Abstract: A mounting assembly for a main board in a housing of an electronic device. The main board has an edge contacting the mounting assembly. The mounting assembly comprises a base and a clip. The base is disposed on the housing. The clip is disposed in the base slidably in a first direction and a second opposite direction. When moving in the first direction, the clip fixes the main board, and in the second direction, releases the main board. An acute angle is formed between the first and second directions and the edge.

Abstract: A linkage mechanism for foot seats comprises at least two shafts and two guide elements combined at the bottom of a housing, a foot seat is pivotally connected to each shaft, an arc rack is disposed at a relative end of each foot seat, a rack is disposed at each one of two sides of a linking rod corresponding to the arc rack of each foot seat; the racks is respectively engaged the said arc rack of each said foot seat; therefore, when one of the foot seats is rotated, the linking rod is driven to move and the other foot seats are then further driven to rotate. Whereby, the adjustment of the movable foot seats are munch more convenient and time-saving.

Abstract: A fastening unit for securing brackets on a frame of a computer housing includes a seat having at least two parallel mounting walls that define a mounting space therebetween, and at least one pressing member that has a pressing part, that is disposed in the mounting space, and that is pivoted to the mounting walls so as to be rotatable relative to the seat between a pressing position, in which the pressing part thereof presses a portion of the respective bracket against the frame, and a releasing position, in which the pressing part thereof is moved away from the portion of the respective bracket.

Abstract: A fastening mechanism includes a mounting seat formed with a mounting hole that extends from a first surface, which is formed with an engaging post extending through a through hole in the frame body and into a fastening hole in a peripheral device, through a second surface opposite to the first surface. An engaging unit includes an operating member disposed outwardly of the second surface, and an engaging member connected to the operating member and disposed outwardly of the first surface. The operating member is operable so as to enable the engaging member to rotate about a central axis of the mounting hole from a disengaged position, where the engaging member disengages an anchoring member on the frame body, to an engaged position, where the engaging member engages the anchoring member on the frame body such that the mounting seat is fastened securely to the frame body.

Abstract: A reversible door with dual pivots includes a frame, a reversible door and two swing arms; the swing arms are attached to the frame and the reversible door at two inner opposite lateral sides of the frame and the reversible door respectively with the two ends of each swing arm having a pivot member pivotally connecting with the pivot members of the frame and the reversible door respectively; the swing arms can be rotated with respect to the frame and the reversible door can be rotated with respect to swing arms; a rotational angle of the reversible door is greater than 180° can be obtained so that the inner lateral sides of the reversible door can be valuably utilized.

Abstract: A linkage mechanism for foot seats comprises at least two shafts and two guide elements combined at the bottom of a housing, a foot seat is pivotally connected to each shaft, an arc rack is disposed at a relative end of each foot seat, a rack is disposed at each one of two sides of a linking rod corresponding to the arc rack of each foot seat; the racks is respectively engaged the said arc rack of each said foot seat; therefore, when one of the foot seats is rotated, the linking rod is driven to move and the other foot seats are then further driven to rotate. Whereby, the adjustment of the movable foot seats are munch more convenient and time-saving.

Abstract: A computer system has a central processing unit installed inside a housing for processing data and programs. The housing has a panel, which includes a plurality of first holes. The computer system further includes an upper duct and a lower duct installed on a region beside the central processing unit and mounted on the upper duct. The upper duct has a predetermined pattern, and a plurality of first hooks for engaging with the plurality of first holes of the housing. The lower duct has a positioning rib for engaging with the predetermined pattern of the upper duct.

Abstract: A computer housing includes a disc storage device mounted detachably on a top surface of a housing body. The disc storage device includes a casing formed with a receiving recess for receiving an optical disc, a cover body connected pivotally to the casing and operable so as to move from a closed position to an open position, a biasing member disposed between the casing and the cover body for biasing the cover body to move from the closed position to the open position, and a releasable retaining member disposed on the casing and the cover body for retaining the cover body at the closed position. An engaging unit is disposed on a lower side of the casing of the disc storage device and the top surface of the housing body for detachable engagement between the housing body and the casing of the disc storage device.

Abstract: An electronic device and a fastening apparatus in the electronic device. The device includes a main board, a shield and a supporting seat. The shield has a first opening and a second opening. The supporting seat includes a first engaging portion, a second engaging portion and a third engaging portion. The supporting seat connects with the shield by the first and second engaging portion and supports the main board by the third engaging portion. The first engaging portion connects to the first opening to prevent the supporting seat from moving along the X and Z axes and the second engaging portion connects to the second opening to prevent the supporting seat from moving along the Y axis. The X, Y, and Z axes are perpendicular to each other.

Abstract: An attachment mechanism. The attachment mechanism comprises a housing, a cover plate, a fixed member, and a pivoting member. The fixed member is disposed on the cover plate. The pivoting member is pivoted on the fixed member, having a contacting portion and a lever portion connected thereto, wherein the lever portion has a protrusion such that a part of the housing is wedged between the contacting portion and the protrusion when the cover plate is attached to the housing. The pivoting member pivots, and applies a force on the housing such that the cover plate is separated from the housing.

Abstract: A computer system has a central processing unit installed inside a housing for processing data and programs. The housing has a panel, which includes a plurality of first holes. The computer system further includes an upper duct and a lower duct installed on a region beside the central processing unit and mounted on the upper duct. The upper duct has a predetermined pattern, and a plurality of first hooks for engaging with the plurality of first holes of the housing. The lower duct has a positioning rib for engaging with the predetermined pattern of the upper duct.

Abstract: An electronic device and a fastening apparatus in the electronic device. The device includes a main board, a shield and a supporting seat. The shield has a first opening and a second opening. The supporting seat includes a first engaging portion, a second engaging portion and a third engaging portion. The supporting seat connects with the shield by the first and second engaging portion and supports the main board by the third engaging portion. The first engaging portion connects to the first opening to prevent the supporting seat from moving along the X and Z axes and the second engaging portion connects to the second opening to prevent the supporting seat from moving along the Y axis. The X, Y, and Z axes are perpendicular to each other.

Abstract: A storage device fastening apparatus for fastening a storage device inside a casing. The storage device has a plurality of first holes. The storage device fastening apparatus includes a frame installed inside the casing for supporting the storage device and has a plurality of second holes and a second hook. A fastening base is detachably installed on the frame and has a plurality of bumps for insertion through the second holes into the first holes for affixing the storage device. A sliding portion, having a first hook, is movably installed on the fastening base for affixing the fastening base to the frame. When the sliding portion resides at a first fixed position, the first hook is separated from the second hook. When the sliding portion resides at a second fixed position, the first hook and the second hook are engaged to affix the fastening base to the frame.

Abstract: A fastening unit for securing brackets on a frame of a computer housing includes a seat having at least two parallel mounting walls that define a mounting space therebetween, and at least one pressing member that has a pressing part, that is disposed in the mounting space, and that is pivoted to the mounting walls so as to be rotatable relative to the seat between a pressing position, in which the pressing part thereof presses a portion of the respective bracket against the frame, and a releasing position, in which the pressing part thereof is moved away from the portion of the respective bracket.

Abstract: A housing of an electronic device includes a housing wall that confines an inner space therein and that is formed with a window for access into the inner space, a rail unit formed on the housing wall and disposed adjacent to the window, and a window panel mounted movably on the rail unit and movable between a closed position, in which the window is covered by the window panel, and an open position, in which at least a portion of the window is exposed from the window panel.

Abstract: A computer housing includes a disc storage device mounted detachably on a top surface of a housing body. The disc storage device includes a casing formed with a receiving recess for receiving an optical disc, a cover body connected pivotally to the casing and operable so as to move from a closed position to an open position, a biasing member disposed between the casing and the cover body for biasing the cover body to move from the closed position to the open position, and a releasable retaining member disposed on the casing and the cover body for retaining the cover body at the closed position. An engaging unit is disposed on a lower side of the casing of the disc storage device and the top surface of the housing body for detachable engagement between the housing body and the casing of the disc storage device.

Abstract: A mounting assembly for a main board in a housing of an electronic device. The main board has an edge contacting the mounting assembly. The mounting assembly comprises a base and a clip. The base is disposed on the housing. The clip is disposed in the base slidably in a first direction and a second opposite direction. When moving in the first direction, the clip fixes the main board, and in the second direction, releases the main board. An acute angle is formed between the first and second directions and the edge.