Abstract: A mechanical switch structure includes a keycap, a base plate formed with a guiding opening, a scissor unit disposed on the base plate, and a receiving housing. The receiving housing has a first accommodation and a second accommodation. A guiding unit is received in the first accommodation along a pressing direction of the keycap, and is formed with a hillside portion. A first elastic element provides the guiding unit with an elastic force. A resistance module has an abutting unit which is abutted against the hillside portion of the guiding unit, and a second elastic unit to provide the abutting unit with an elastic force toward the guiding unit. The hillside portion is undulate-shaped and faces the guiding unit. The abutting unit is abutted against the hillside portion so as to provide different resistances during a pressing stroke of the keycap.

Abstract: A key structure with mechanical switch includes a keycap, a support plate board disposed under the keycap, a scissor unit, a receiving housing, a guiding outer cylinder, a rotating inner cylinder and an elastic element. The scissor unit guides the keycap up or down along a pressing direction. The receiving housing has a plurality of sectional boards and a plurality of sectional cutouts. The guiding outer cylinder is movably received in the receiving housing along the pressing direction, and abuts against a bottom surface of the keycap. The guiding outer cylinder has a plurality of positioning bumps and a plurality of lodging recesses. The rotating inner cylinder is received in the guiding outer cylinder and has a plurality of sliding bumps. The elastic element is located in the rotating inner cylinder to provide elasticity toward the keycap. The present disclosure also provides a mechanical switch.

Abstract: A key structure with mechanical switch includes a keycap, a support plate board disposed under the keycap, a scissor unit, a receiving housing, a guiding outer cylinder, a rotating inner cylinder and an elastic element. The scissor unit guides the keycap up or down along a pressing direction. The receiving housing has a plurality of sectional boards and a plurality of sectional cutouts. The guiding outer cylinder is movably received in the receiving housing along the pressing direction, and abuts against a bottom surface of the keycap. The guiding outer cylinder has a plurality of positioning bumps and a plurality of lodging recesses. The rotating inner cylinder is received in the guiding outer cylinder and has a plurality of sliding bumps. The elastic element is located in the rotating inner cylinder to provide elasticity toward the keycap. The present disclosure also provides a mechanical switch.

Abstract: A direct-backlit keyboard is disclosed, the direct-backlit keyboard comprising a plurality of keys, a thin film circuit board, a base plate, a copper etched thin-film circuit board, and a plurality of light-emitting units. The plurality of keys are disposed on the thin film circuit board, the thin film circuit board being disposed on the base plate, the base plate being disposed on the copper etched thin-film circuit board, and the copper etched thin film circuit board being provided with the plurality of light-emitting units. Each light-emitting unit corresponds to each key so that the light emitted from each light-emitting unit can be transmitted to each corresponding key.

Abstract: A key structure includes a supporting board, a base board, a pre-stressing force applying assembly, a key cap, a pivot assembly, an attractable element and a magnetic element. The pre-stressing force applying assembly is connected to the supporting board or the base board. When the magnetic element is under the first attractive position, the first end of the attractable element is attracted by the magnetic force and moved to the first attractive position, and the pre-stressing force applying assembly generates a first pre-stressing force; when the magnetic element is under the second attractive position, the second end of the attractable element is attracted by the magnetic force and moved to the second attractive position, and the pre-stressing force applying assembly generates a second pre-stressing force. The first pre-stressing force or the second pre-stressing force reduces the resistance during the sliding of the base board or the supporting board.

Abstract: A key device includes a base plate, a key cap and at least one balance bar. The at least one balance bar is with a tabular body and is disposed between the base plate and the key cap. The at least one balance bar has an elongated rod and a plurality of supporting legs connected to the elongated rod and protruded from a lower edge of the elongated rod. The elongated rod is connected to the key cap. The plurality of supporting legs is connected to the base plate.

Abstract: A key assembly to be installed on a keyboard is provided. The key assembly includes a base plate including a snap-fit hook, a scissor member including a pivot shaft, and a keycap. The keycap is disposed on the scissor member and connected thereto. The scissor member is disposed on the base plate and connected thereto. A bending portion of the snap-fit hook has a chamfer structure to which the pivot shaft is pivotally connected in such a manner that the vertical gap between the snap-fit hook and the pivot shaft is reduced.

Abstract: A manufacturing method of a substrate structure including the following steps is provided. A chemical surface treatment is performed on a metal base such that a passivation layer is formed on a surface of the metal base. The metal base is assembled to a substrate. A metal pattern is formed on the substrate, wherein the metal pattern is separated from the metal base. A substrate structure and a metal component are also provided.

Abstract: A key structure includes a key cap, a bridge assembly, a first supporting part, a second supporting part, an attractable element and a magnet. The bridge assembly includes first and second hinge parts. The first hinge part has a first pivot coupling portion and a first connecting portion. The second hinge part has a second pivot coupling portion and a second connecting portion, wherein the first and second connecting portions are connected on an axis, and the first and second hinge parts rotate with respect to the axis. The first and second supporting parts are coupled to two ends of the first and second pivot coupling portions, respectively. The attractable element is disposed on the second hinge part. The magnet is correspondingly located under the attractable element for providing a magnetic force, so that the attractable element is attracted and positioned by the magnetic force.

Abstract: A key structure includes a key cap, a bridge assembly, a first supporting part, a second supporting part, an attractable element and a magnet. The bridge assembly includes first and second hinge parts. One end of the first hinge part has a first link bar, and the other end has a first pivot coupling portion and a first shaft having a first connecting portion. One end of the second hinge part has a second link bar, and the other end has a second pivot coupling portion and a second shaft having a second connecting portion coupled to the first connecting portion. When the magnet under a first attractive position, the first end of the attractable element is attracted to the first attractive position. When the magnet under a second attractive position, the second end of the attractable element is attracted to the second attractive position.

Abstract: A method of manufacturing a semiconductor structure, comprising: providing a preliminary structure having a first region and a second region and comprising a plurality of first trenches in the first region; forming a metal layer filling the first trenches covering on the preliminary structure, wherein the metal layer comprises a concave portion in the second region and the concave portion defines an opening; forming a metal nitride layer on the metal layer by an nitride treatment; and performing a planarization process to remove the metal nitride layer and a portion of the metal layer to expose the preliminary structure.

Abstract: A cable connector includes a metal housing, conductive terminals, and contact members. The metal housing includes a first end and a second end opposite to the first end. An accommodation space is formed for communicating with the first end and the second end. The conductive terminals are configured to clamp cables, and each conductive terminal includes a clamp portion, a containing portion, and an engaging portion. The clamp portion and the engaging portion are disposed at two ends of the containing portion, respectively. At least one slot is formed on the engaging portion. Each contact member passes through the accommodation space from the first end and is inserted into the engaging portion. An outside surface of the contact member contacts an inner surface of the engaging portion by making surface-to-surface contact, thereby reducing a resistance value to permit efficient power transmission.

Abstract: A key structure with reduced resonant noise includes a base plate formed with a first supporting portion and a second supporting portion, a conductive film layer, an elastic conducting element, a linking rod, and a keycap on the linking rod. The linking rod has a main portion, a first arm extended from one end of the main portion and pivotally connected to the first supporting portion, and a second arm extended from the other end of the main portion and pivotally connected to the second supporting portion. The key cap has a bottom surface pivotally connected to the main portion of the linking rod. The base plate has openings under the linking rod and adjacent to the first supporting portion and the second supporting portion. The openings can reduce resonant effect of clapping sound in the keycap, when the keycap is pressed.

Abstract: A power supply and a computer chassis are provided. The power supply comprising a main power supply unit and an application power unit is used for electrically coupling to an external AC power. The main power supply unit converts the external AC power to a DC operation power in an operation mode. The application power unit converts the external AC power to a DC application voltage for an application module. The power supply and the application module are installed to a chassis frame of the computer chassis. When the power supply receives the external AC power, regardless of whether the main power supply unit outputs the DC operation power or not, the application power unit continuously outputs the DC application voltage to the application module. Accordingly, no matter what the operation status of the computer is, the power supply and the computer chassis can provide the charging function.

Abstract: A cable connector includes a metal housing, conductive terminals, and contact members. The metal housing includes a first end and a second end opposite to the first end. An accommodation space is formed for communicating with the first end and the second end. The conductive terminals are configured to clamp cables, and each conductive terminal includes a clamp portion, a containing portion, and an engaging portion. The clamp portion and the engaging portion are disposed at two ends of the containing portion, respectively. At least one slot is formed on the engaging portion. Each contact member passes through the accommodation space from the first end and is inserted into the engaging portion. An outside surface of the contact member contacts an inner surface of the engaging portion by making surface-to-surface contact, thereby reducing a resistance value to permit efficient power transmission.

Abstract: A key structure includes a supporting board, a base board, a pre-stressing force applying assembly, a key cap, a pivot assembly, an attractable element and a magnetic element. The pre-stressing force applying assembly is connected to the supporting board or the base board. When the magnetic element is under the first attractive position, the first end of the attractable element is attracted by the magnetic force and moved to the first attractive position, and the pre-stressing force applying assembly generates a first pre-stressing force; when the magnetic element is under the second attractive position, the second end of the attractable element is attracted by the magnetic force and moved to the second attractive position, and the pre-stressing force applying assembly generates a second pre-stressing force. The first pre-stressing force or the second pre-stressing force reduces the resistance during the sliding of the base board or the supporting board.

Abstract: A key structure includes a key cap, a bridge assembly, a first supporting part, a second supporting part, an attractable element and a magnet. The bridge assembly includes first and second hinge parts. One end of the first hinge part has a first link bar, and the other end has a first pivot coupling portion and a first shaft having a first connecting portion. One end of the second hinge part has a second link bar, and the other end has a second pivot coupling portion and a second shaft having a second connecting portion coupled to the first connecting portion. When the magnet under a first attractive position, the first end of the attractable element is attracted to the first attractive position. When the magnet under a second attractive position, the second end of the attractable element is attracted to the second attractive position.

Abstract: A key module and a keyboard having the key module are provided. The key module includes a base, a scissor-type unit and a keycap. The scissor-type unit has a first frame and a second frame. The first frame has a connection shaft rotatably pivotally connected to a shaft hole of the second frame. The shaft hole has a travel distance therein for the shaft to move within the shaft hole along a predetermined direction. The first and second frames respectively have a first side pivotally connected to a pivot connection unit of the key cap, and a second side slidably connected to a restricting unit of the base. Through the above-mentioned design, the first frame can rotate with respect to the second frame, so that the keycap can move up and down with respect to the base.

Abstract: A key structure comprises a bottom board, a key cap and two first balance plates. The two first balance plates are plate shaped, disposed between the bottom board and the key cap, and symmetric to each other. An upper end of each of the two first balance plates is connected to the key cap. A lower end of each of the two first balance plates is connected to the bottom board. Thereby, a key structure is formed which provides a normal tactile feel while saving space, thereby achieving a slim design.

Abstract: A key structure with reduced resonant noise includes a base plate formed with a first supporting portion and a second supporting portion, a conductive film layer, an elastic conducting element, a linking rod, and a keycap on the linking rod. The linking rod has a main portion, a first arm extended from one end of the main portion and pivotally connected to the first supporting portion, and a second arm extended from the other end of the main portion and pivotally connected to the second supporting portion. The key cap has a bottom surface pivotally connected to the main portion of the linking rod. The base plate has openings under the linking rod and adjacent to the first supporting portion and the second supporting portion. The openings can reduce resonant effect of clapping sound in the keycap, when the keycap is pressed.