Abstract: A semiconductor structure includes a combined feature, a protection layer and a polymeric layer. The combined feature includes a passivation layer, an interconnecting structure disposed on the passivation layer, and a dielectric layer disposed on the passivation layer and the interconnecting structure. The protection layer is disposed on the dielectric layer, and is oxide-and-nitride based. The polymeric layer is disposed on the protection layer, and is separated from the interconnecting structure by the protection layer. A method of making a semiconductor structure is also provided.

Abstract: A semiconductor structure includes a semiconductor feature, a protection layer and a polymeric layer. The semiconductor feature includes a passivation layer, an interconnecting structure disposed on the passivation layer, and a dielectric layer disposed on the passivation layer and the interconnecting structure. The protection layer is disposed on the dielectric layer, and is oxide-and-nitride based. The polymeric layer is disposed on the protection layer, and is separated from the interconnecting structure by the protection layer. A method of making a semiconductor structure is also provided.

Abstract: A caster assembly includes a base body, a tubular member, a retaining member and two wheel units. The base body includes an inner surrounding surface, a through hole surrounded by the inner surrounding surface, and a positioning slot extending along a line tangent to the inner surrounding surface and communicating with the through hole. The tubular member is inserted into the through hole. The retaining member is inserted into the positioning slot to retain the tubular member within the through hole. The wheel units are respectively and rotatably sleeved on two lateral connection portions of the tubular member.

Abstract: A caster device includes a support unit, two caster wheels, a resilient member, two friction wheels, and two protruding teeth units. Each of the caster wheels has an inner wheel surface and a plurality of meshing teeth that are angularly arranged and that are formed on the inner wheel surface. Each of the protruding teeth units includes a plurality of protruding teeth. The support unit is downwardly movable against a resilient force of the resilient member to a stop position, where each of the friction wheels is in frictional contact with the meshing teeth of a respective one of the caster wheels, and where the protruding teeth of each of the protruding teeth units are meshed with the meshing teeth of the respective one of the caster wheels.

Abstract: An armrest includes a shell convertible between a fixed position and a non-fixed position, a lock unit, and a control unit. The lock unit includes a base seat and two pivot gears, each of which has an arm segment and a gear segment having a plurality of first teeth. The control unit includes a rack having a plurality of second teeth and is operable to move between a locking position and an unlocking position. When the control unit is at the locking position, the second teeth mesh with the first teeth, the pivot gears are locked, and the shell is at the fixed position. When the control unit is at the unlocking position, the rack is away from the pivot gears, the pivot gears are pivotally rotatable, and the shell is at the non-fixed position.

Abstract: A wheel connecting device includes a mounting seat, a shaft, a sleeve member and a retaining member. The mounting seat defines an accommodating space and includes a surrounding wall that has an inner surrounding surface surrounding the accommodating space. The shaft has a first mounting segment that is inserted into the accommodating space, and a second mounting segment that is disposed under and connected to the first mounting segment. The sleeve member is sleeved on the connecting portion of the first mounting segment of the shaft. The retaining member extends helically around a neck portion of the first mounting segment of the shaft, and is in contact with the neck portion and the surrounding wall.

Abstract: A wheel connecting device includes a mounting seat, a shaft, a sleeve member and a retaining member. The mounting seat defines an accommodating space and includes a surrounding wall that has an inner surrounding surface surrounding the accommodating space. The shaft has a first mounting segment that is inserted into the accommodating space, and a second mounting segment that is disposed under and connected to the first mounting segment. The sleeve member is sleeved on the connecting portion of the first mounting segment of the shaft. The retaining member extends helically around a neck portion of the first mounting segment of the shaft, and is in contact with the neck portion and the surrounding wall.

Abstract: An armrest includes a shell convertible between a fixed position and a non-fixed position, a lock unit, and a control unit. The lock unit includes a base seat and two pivot gears, each of which has an arm segment and a gear segment having a plurality of first teeth. The control unit includes a rack having a plurality of second teeth and is operable to move between a locking position and an unlocking position. When the control unit is at the locking position, the second teeth mesh with the first teeth, the pivot gears are locked, and the shell is at the fixed position. When the control unit is at the unlocking position, the rack is away from the pivot gears, the pivot gears are pivotally rotatable, and the shell is at the non-fixed position.

Abstract: A rotatable armrest contains a body, a connecting mount, a joining member, and a cover. The body includes an inner rod and an outer rod. The inner rod has a rotating seat, a through hole, a first groove, a second groove, and two retaining shoulders. The connecting mount includes a locking rib and a column, the column has a slot and two notches. The joining member includes a first segment mounted in the through hole of the inner rod and a second segment fixed in the first groove of the inner rod, the first segment has two engaging blocks formed on an outer peripheral side thereof and a lock protrusion formed therein and accommodated in the slot, the second segment has a trench for receiving the cover, and the trench has a cutout which has two threaded orifices passing through the lock protrusion of the joining member.

Abstract: A wheel structure contains: a body and a rubber loop. The body is one piece formed and includes an arcuate face surrounding around an outer surface thereof, a peripheral groove defined around an outer rim of the arcuate face to fit with the rubber loop, a peripheral face defined around a peripheral side of the body, a first slot arranged around a left side of the peripheral face, and a second slot formed around a right side of the peripheral face, wherein the first slot and the second slot retain with the rubber loop.

Abstract: A riveting structure of a caster wheel contains: a connecting mount, a wheel seat, and a coupling shaft. The connecting mount includes a central hole longitudinally defined at a central position thereof The wheel seat includes a horizontal orifice, a central groove, and an accommodating slot horizontally defined on a distal end of the central groove and communicating with the central groove to accommodate a peripheral rib extending around a distal end of a lower extension of the coupling shaft. The lower extension is inserted into the central groove so that the peripheral rib is retained in the accommodating slot of the wheel seat, an upper extension of the coupling shaft is inserted through the central hole of the connecting mount so that a top end of the upper extension of the coupling shaft is riveted in the connecting mount, thus connecting the connecting mount and the wheel seat together.

Abstract: A castor includes a castor body provided with an upper slideway, a lower slideway and a projection, two rollers mounted on the castor body, a first braking member pivotally connected with the castor body and provided with a protrusion, a second braking member mounted in the lower slideway, a sliding block mounted in the upper slideway of the castor body, a compression spring biased between the castor body and the sliding block, and a linear spring mounted between the projection of the castor body and the protrusion of the first braking member. Thus, the linear spring provides a restoring force to the protrusion of the first braking member and eliminates the stress applied on the protrusion of the first braking member and the projection of the castor body.

Abstract: A castor includes a castor body, an operation unit connected with the castor body, a locking unit connected with the castor body, a roller mounted on the castor body, and a mandrel extended through the castor body and the roller. Thus, when the castor is locked completely, the roller is entirely locked by the locking unit so that the roller cannot roll and translate and cannot be turned around simultaneously so as to provide a double-braking effect. In addition, when the castor is locked partially, the roller is partially locked by the locking unit so that the roller cannot be turned around but can roll and translate freely.

Abstract: A rotatable armrest contains a body, a connecting mount, a joining member, and a cover. The body includes an inner rod and an outer rod. The inner rod has a rotating seat, a through hole, a first groove, a second groove, and two retaining shoulders. The connecting mount includes a locking rib and a column, the column has a slot and two notches. The joining member includes a first segment mounted in the through hole of the inner rod and a second segment fixed in the first groove of the inner rod, the first segment has two engaging blocks formed on an outer peripheral side thereof and a lock protrusion formed therein and accommodated in the slot, the second segment has a trench for receiving the cover, and the trench has a cutout which has two threaded orifices passing through the lock protrusion of the joining member.

Abstract: A double brake structure for a caster wheel contains a body, a connecting shaft, a cover, a central post, two rollers, a locking piece, a fixing member, a braking seat, a resilient element, and a bottom cap. The body includes a groove having a square hole and includes a receiving chamber. The locking piece includes a retaining recess for limiting a peripheral rib of the cover. The fixing member includes two engaging teeth, two through holes, a flange, a notch, and a recessed trench. The braking seat includes an opening, a tab extending, and a pedal portion. The bottom cap includes a pore defined thereon and a circular indention formed on a central position of a top surface thereof so as to insert one end of the resilient element.

Abstract: A caster wheel structure contains a body and a connecting shaft. The connecting shaft includes an engaging tab arranged around a bottom end thereof, and the engaging tab has an abutting rim arranged around an upper end thereof The body is injection molded and coupled with a holder by using the connecting shaft. The body includes a hole defined therein so as to insert the connecting shaft, and the hole has a receiving chamber formed therein and communicating with the hole. The connecting shaft is inserted into the hole of the body so that the engaging tab of the connecting shaft is mounted in the receiving chamber of the body. Thereby, when the connecting shaft is coupled with the body, the abutting rim of the engaging tab contacts with a bottom periphery of the hole, such that the connecting shaft is fixed by the bottom periphery of the hole securely.

Abstract: A double brake structure for a caster wheel contains a body, a connecting shaft, a cover, a central post, two rollers, a locking piece, a fixing member, a braking seat, a resilient element, and a bottom cap. The body includes a groove having a square hole and includes a receiving chamber. The locking piece includes a retaining recess for limiting a peripheral rib of the cover. The fixing member includes two engaging teeth, two through holes, a flange, a notch, and a recessed trench. The braking seat includes an opening, a tab extending, and a pedal portion. The bottom cap includes a pore defined thereon and a circular indention formed on a central position of a top surface thereof so as to insert one end of the resilient element.

Abstract: A castor for a luggage includes a mounting seat, an upright mandrel having an upper portion connected with the mounting seat, a roller support mounted on a lower portion of the upright mandrel, a shaft mounted on the roller support, and two rollers secured on two opposite ends of the shaft and located at two opposite side of the roller support. Thus, when the rollers on the roller support are worn out during a long-term utilization, the roller support can be removed from the upright mandrel for maintenance or replacement of the roller support and the rollers, without having to replace the whole structure of the castor.

Abstract: A castor includes a support shaft, a stop ring secured on the support shaft and having a first locking portion, a castor body rotatably mounted on the support shaft, two rollers rotatably mounted on the castor body and each having a second locking portion, a locking module movably mounted on the castor body and movable to engage the first locking portion of the stop ring and the second locking portion of each of the rollers, and a control wire movably mounted on the support shaft and connected with the locking module. Thus, when the castor is locked, each of the rollers is locked by the locking module, and the castor body is locked by the stop ring, so that the castor will stop rotating when being braked to provide a double-braking effect.