Abstract: An imaging lens assembly includes a plurality of optical elements and an accommodating assembly, wherein the accommodating assembly is for containing the optical elements. The accommodating assembly includes a conical-shaped light blocking sheet and a lens barrel. The conical-shaped light blocking sheet includes an out-side portion and a conical portion, and the conical portion is connected to the out-side portion. The conical portion includes a conical structure tapered from the out-side portion toward one of an object-side and an image-side along the optical axis. The lens barrel is disposed on one side of the conical portion. The optical elements include a most object-side optical element, a most image-side optical element and at least one optical element. The conical structure of the conical-shaped light blocking sheet is physically contacted with only one of the lens barrel, the most object-side optical element and the most image-side optical element.

Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.

Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.

Abstract: This disclosure provides a lens assembly that has an optical path and includes a lens element and a light-blocking membrane layer. The lens element has an optical portion, and the optical path passes through the optical portion. The light-blocking membrane layer is coated on the lens element and adjacent to the optical portion. The light-blocking membrane layer has a distal side and a proximal side that is located closer to the optical portion than the distal side. The proximal side includes two extension structures and a recessed structure. Each of the extension structures extends along a direction away from the distal side, and the extension structures are not overlapped with each other in a direction in parallel with the optical path. The recessed structure is connected to the extension structures and recessed along a direction towards the distal side.

Abstract: A semiconductor device and method for forming the semiconductor device are provided. In some embodiments, a semiconductor substrate comprises a device region. An isolation structure extends laterally in a closed path to demarcate the device region. A first source/drain region and a second source/drain region are in the device region and laterally spaced. A sidewall of the first source/drain region directly contacts the isolation structure at a first isolation structure sidewall, and remaining sidewalls of the first source/drain region are spaced from the isolation structure. A selectively-conductive channel is in the device region, and extends laterally from the first source/drain region to the second source/drain region. A plate comprises a central portion and a first peripheral portion. The central portion overlies the selectively-conductive channel, and the first peripheral portion protrudes from the central portion towards the first isolation structure sidewall.

Abstract: An imaging lens assembly has an optical axis, and includes a plastic carrier element and an imaging lens element set. The plastic carrier element includes an object-side surface, an image-side surface, an outer surface and an inner surface. The object-side surface includes an object-side opening. The image-side surface includes an image-side opening. The inner surface is connected to the object-side opening and the image-side opening. The imaging lens element set is disposed in the plastic carrier element, and includes at least three lens elements, each of at least two adjacent lens elements of the lens elements includes a first axial assembling structure, the first axial assembling structures are corresponding to and connected to each other. A solid medium interval is maintained between the adjacent lens elements and the inner surface. The solid medium interval is directly contacted with the adjacent lens elements and the inner surface.

Abstract: A ratchet head has a mount, a knob, and a restricting unit. The mount has an assembling hole, and two positioning recesses disposed on both sides of the assembling hole. The two positioning recesses are parallel to each other and communicate with the assembling hole. The knob is rotatably assembled to the mount and has a shaft inserted in the assembling hole and having an abutting section with two first abutting faces and two second abutting faces. The two first abutting faces are parallel to each other. The two second abutting faces are parallel to each other. The restricting unit with elasticity has two arms respectively mounted in the two positioning recesses, respectively disposed on both sides of the shaft, and respectively abutting against the two first abutting faces that respectively face to the two positioning recesses. The restricting unit is able to steadily maintain the operating directions of the ratchet head.

Abstract: A display mechanism of a pneumatic tool has a holding element, an operating element, and a display portion. The holding element has a surrounding wall, a display recess, a spacer slice, and a mounting recess. The display recess is formed in a top surface of the surrounding wall. The spacer slice is mounted on an inner surface of the surrounding wall. The mounting recess is formed between the surrounding wall of the holding element and the spacer slice. A bottom portion of the operating element is inserted into and is screwed with a top portion of the holding element. The operating portion has a thread portion, a rotating portion, and a receiving slice. The display portion is attached to the wall of the receiving recess of the receiving slice. The display portion has multiple display marks formed in an outer surface of the display portion.

Abstract: A ratchet head has a mount, a knob, and a restricting unit. The mount has an assembling hole, and two positioning recesses disposed on both sides of the assembling hole. The two positioning recesses are parallel to each other and communicate with the assembling hole. The knob is rotatably assembled to the mount and has a shaft inserted in the assembling hole and having an abutting section with two first abutting faces and two second abutting faces. The two first abutting faces are parallel to each other. The two second abutting faces are parallel to each other. The restricting unit with elasticity has two arms respectively mounted in the two positioning recesses, respectively disposed on both sides of the shaft, and respectively abutting against the two first abutting faces that respectively face to the two positioning recesses. The restricting unit is able to steadily maintain the operating directions of the ratchet head.

Abstract: A steering-switching and hands-changing assembly for a pneumatic tool has a switching set, a speed-adjusting set, and a trigger set. The switching set has a selector valve and a switching stem. The selector valve is hollow and has a valve hole and an engaging seat. The switching stem is detachably connected to the selector valve and has an engaging claw and a toggle arm. The engaging claw selectively engages with the engaging seat. The speed-adjusting set is connected to the switching set and has a speed button. The speed button is movably and rotatably connected to the switching stem and has a mounting tube and a rotating tray. The trigger set is connected to the switching set and the speed-adjusting set, and has a trigger rod, a trigger, and an elastic element.

Abstract: A glue-removing wheel assembly has an adapter, a reinforcing piece, and a wheel body. The adapter has a large diameter section, a small diameter section, and a connecting rod. The small diameter section is connected with the large diameter section and has a cross section being hexagonal and a necked segment disposed on an external surface of the small diameter section. The connecting rod is disposed on the large diameter section and is opposite to the small diameter section. The reinforcing piece is connected to the adapter and has an internal annular face disposed on the reinforcing piece and securely mounted around the connecting rod of the adapter and an external annular face. The wheel body is round, is coaxial with the adapter, and is mounted around the large diameter section of the adapter and the reinforcing piece.

Abstract: A ratchet assembly has a housing and a sleeve fixing device. The housing has a fixing space. The sleeve fixing device is mounted through the housing and has a sleeve fixing element, a rotating element, and a reverting support. The sleeve fixing element is mounted in the fixing space of the housing and has a rotation portion. The rotating element is rotatably mounted through the rotation portion. The reverting support is mounted through the rotating element and has a moveable barrel, a rotating ball, a spring, and an abutting element. The rotating ball is rotatably mounted in one end of the moveable barrel. The spring is mounted in the other end of the movable barrel. The abutting element is mounted into the moveable barrel and around the spring. This may prolong the life cycle of the spring.

Abstract: A steering-switching and hands-changing assembly for a pneumatic tool has a switching set, a speed-adjusting set, and a trigger set. The switching set has a selector valve and a switching stem. The selector valve is hollow and has a valve hole and an engaging seat. The switching stem is detachably connected to the selector valve and has an engaging claw and a toggle arm. The engaging claw selectively engages with the engaging seat. The speed-adjusting set is connected to the switching set and has a speed button. The speed button is movably and rotatably connected to the switching stem and has a mounting tube and a rotating tray. The trigger set is connected to the switching set and the speed-adjusting set, and has a trigger rod, a trigger, and an elastic element.

Abstract: A power tool has a handle, a tool body, a rotator, a first working unit, and a second working unit. The handle has a handle body, a mounting ring rotatably mounted around the handle body, and a switch mounted on the mounting ring and inserted into the handle body. The tool body is mounted on the handle. The rotator is mounted in the tool body, and has a first driving end and a second driving end. The first working unit is mounted in the tool body, and is mounted around and engaged with the rotator. The second working unit is mounted in the tool body, and is mounted around and engaged with the rotator.

Abstract: A pneumatic tool has an outer casing, a selector valve, a switching button and a cover. The outer casing has two elongated holes formed through an external surface of the outer casing, and facing and communicating to each other. The selector valve is rotatably mounted in the outer casing and has a communicating hole and two connecting blocks. The connecting blocks are axially formed on and protrude from an external surface of the selector valve, align with each other and respectively face the elongated holes. The switching button is detachably connected to one of the connecting blocks and extends out of one of the elongated holes. The cover is detachably connected to the outer casing to cover the other elongated hole and has a shape corresponding to a shape of the external surface of the outer casing.

Abstract: A ratchet assembly has a case, a ratchet unit, and a sleeve fixing module. The ratchet unit is mounted in the case and has a toothed surface. The sleeve fixing module is inserted in the case, engaged with the ratchet unit, and has a positioning unit, a rotating unit, a direction-reversal supporting unit, and a pawl block. The positioning unit is mounted in the case. The rotating unit is rotatably mounted in the positioning unit and has a rotating pole and a pole hole formed in the rotating pole. The direction-reversal supporting unit is mounted in the pole hole and has a socket mounted in the pole hole, a spring mounted in the socket and abutting the rotating pole, a ball rotatably mounted in the ball recess, and a pawl block pivotally mounted around the positioning unit, engaged with the ball, and engaged with the toothed surface.

Abstract: A pneumatic motor includes a housing, a rotor, an air flowing unit and an air-supply unit. The housing has an inside space formed along an axis and divided sequentially into a rotor chamber, a valve chamber and an inlet chamber. The rotor is rotatably mounted in the rotor chamber. The pneumatic valve is mounted in the rotor chamber and the valve chamber and includes an air flowing unit and an adjusting gate. The air-supply unit is mounted in the inlet chamber and is connected to a source of compressed air, so the compressed air can flow from the inlet chamber into the valve chamber and then flow through the pneumatic valve to drive the rotor.

Abstract: An eccentric seat of an automobile grinding machine has a base, a grinding device, and a linking-fixing unit. The base has a base hole formed in the base. The grinding device is mounted in the base and has a grinding head. The grinding head has a head hole aligned with the base hole. The linking-fixing unit is mounted in the base hole and can move along the axial direction of the base hole and can be engaged the base. The linking-fixing unit has an inserting end that can be engaged in the head hole. When the inserting end is inserted into the head hole, the grinding head is fixed relative to the base, such that it is easy for the grinding head to combine with a grinding body, and the eccentric seat is suitable for polishing a surface of an automobile.

Abstract: A power device with a unicorn impact unit includes a handle, a housing, an impact unit and ratchet unit. The handle has a front end and a motor mounted at the front end and has a driving shaft. The housing is mounted at the front end of the handle and is sleeved around the motor has a rotation chamber formed inside the housing. The impact unit is rotatably mounted in the rotation chamber and has a mounting seat, a hammer and an anvil shaft. The anvil shaft inserts into the hammer and is mounted on the mounting seat. The ratchet unit is mounted in the rotation chamber, is connected with anvil shaft. The impact unit only effect toward one direction when rotating, so the handle has no necessary to set a button for switching rotation directions of motor and the design of the handle can be simplified.

Abstract: A pneumatic motor includes a housing, a rotor, an air flowing unit and an air-supply unit. The housing has an inside space formed along an axis and divided sequentially into a rotor chamber, a valve chamber and an inlet chamber. The rotor is rotatably mounted in the rotor chamber. The pneumatic valve is mounted in the rotor chamber and the valve chamber and includes an air flowing unit and an adjusting gate. The air-supply unit is mounted in the inlet chamber and is connected to a source of compressed air, so the compressed air can flow from the inlet chamber into the valve chamber and then flow through the pneumatic valve to drive the rotor.