Abstract: Three-dimensional memories are provided. A three-dimensional memory includes a memory cell array, a first interconnect structure, a bit line decoder and a second interconnect structure. The bit line decoder is formed under the memory cell array and the first interconnect structure. The memory cell array includes a plurality of memory cells formed in a plurality of levels stacked in a first direction. The first interconnect structure includes at least one bit line extending in a second direction that is perpendicular to the first direction. The bit line includes a plurality of sub-bit lines stacked in the first direction. Each of the sub-bit lines is coupled to the memory cells that are arranged in a line in the corresponding level of the memory cell array. The second interconnect structure is configured to connect the bit line to the bit line decoder passing through the first interconnect structure.

Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.

Abstract: An overhead hoist transfer apparatus includes a rail assembly including a straight rail having an empty section, and a curved rail having a curved empty section; an engine including a first LSD having first and second wheels at two sides respectively; and a second LSD having third and fourth wheels at two sides respectively; a moving carriage driven by the engine and suspended from the rail assembly; first and second guide wheels disposed on the first LSD; third and fourth guide wheels disposed on the second LSD; and two guide boards disposed above a joining point of the straight rail and the curved rail. An elevation of the guide boards is equal to that of the guide wheels. The guide board includes a straight edge and a curved edge.

Abstract: A carrier structure is provided, in which at least one positioning area is defined on a chip-placement area of a package substrate, and at least one alignment portion is disposed on the positioning area. Therefore, the precision of manufacturing the alignment portion is improved by disposing the positioning area on the chip-placement area, such that the carrier structure can provide a better alignment mechanism for the chip placement operation.

Abstract: This disclosure discloses an optical sensing device. The device includes a carrier body; a first light-emitting device disposed on the carrier body; and a light-receiving device including a group III-V semiconductor material disposed on the carrier body, including a light-receiving surface having an area, wherein the light-receiving device is capable of receiving a first received wavelength having a largest external quantum efficiency so the ratio of the largest external quantum efficiency to the area is ?13.

Abstract: A powered industrial truck includes a lateral movement assembly including four sliding members and four pivotal members both on a wheeled carriage, four links having a first end pivotably secured to the sliding member and a second end pivotably secured to either end of the pivotal member, a motor shaft having two ends pivotably secured to the pivotal members respectively, a first electric motor on one frame member, and four mounts attached to the sliding members respectively; two lift assemblies including a second electric motor, a shaft having two ends rotatably secured to the sliding members respectively, two gear trains at the ends of the shaft respectively, a first gear connected to the second electric motor, a second gear on the shaft, and a first roller chain on the first and second gears; two electric attachments on the platform and being laterally moveable, each attachment. The mount has rollers.

Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, the signal value of the first driving signal gradually decreases until being equal to the signal value of the second driving signal. Wherein the signal value of the first driving signal non-linearly decreases, the signal value of the second driving signal is an unchanged value. Wherein, the first time period and the second time period are adjusted for a different fan but the sum of the first time period and the second time period is always the same. A fan is also disclosed.

Abstract: A memory test circuit is provided. The memory test circuit is disposed in a memory chip and electrically coupled to a memory macro of the memory chip. A high speed clock receives an input signal and an external clock signal. The input signal includes a plurality of test bits. A finite state machine controller provides a pattern type. A pattern generator generates and provides a test signal to at least one memory cell of the memory chip to write the test signal to the at least one memory cell based on the pattern type and the external clock signal. A test frequency of the test signal is determined based on the high speed clock. An output comparator outputs a comparison signal based on a difference between the test signal and a readout signal corresponding to the test signal read from the at least one memory cell.

Abstract: A memory test circuit is provided. The memory test circuit is disposed in a memory array and including: a test array, including test cells out of memory cells of the memory array; a write multiplexer, configured to selectively output one of a test signal and a reference voltage based on a write measurement signal, wherein the test signal is output to write into at least one test cell and the reference voltage is output to a sense amplifier; and a read multiplexer, configured to selectively receive and output one of a readout signal corresponding to the test signal and an amplified signal based on a read measurement signal, wherein the readout signal is read from the at least one test cell and the amplified signal is obtained for a read margin evaluation from the sense amplifier by amplifying a voltage difference between the readout signal and the reference voltage.

Abstract: The present disclosure provides a time delay integration (TDI) sensor using a rolling shutter. The TDI sensor includes multiple pixel columns. Each pixel column includes multiple pixels arranged in an along-track direction, wherein two adjacent pixels or two adjacent pixel groups in every pixel column have a separation space therebetween. The separation space is equal to a pixel height multiplied by a time ratio of a line time difference of the rolling shutter and a frame period, or equal to a summation of at least one pixel height and a multiplication of the pixel height by the time ratio of the line time difference and the frame period. The TDI sensor further records defect pixels of a pixel array such that in integrating pixel data to integrators, the pixel data associated with the defect pixels is not integrated into corresponding integrators.

Abstract: An external display module is provided, which is adapted to be detachably connected to an electronic device. The external display module includes a module base and a first screen unit. The module base includes a first base side, two first tracks and at least one first slot. The first screen unit is rotatably connected to the module base, wherein the first screen unit includes a first screen, a first shaft, at least one first guiding member and two first blocks, the first shaft is disposed on the edge of the first screen unit, the first guiding member is affixed to the first shaft and is rotated with the first shaft, the first block is connected to the first shaft, the first guiding member is inserted into the first slot and is guided by the first slot, and the first block is adapted to slide in the first track.

Abstract: A notebook computer is provided. The notebook computer includes a device body, a cover and a media unit. The device body includes a first body housing and a second body housing, wherein the second body housing pivots on the first body housing. The cover pivots on the first body housing and is slidably connected to the second body housing. When the cover is rotated from a folded state to an unfolded state relative to the device body, the second body housing is pushed to rotate from the first housing orientation to the second housing orientation relative to the first body housing. The media unit pivots on the first body housing and is slidably connected to the second body housing.

Abstract: A notebook computer includes a connecting portion, a first display screen portion, a hinge structure and a computer mainframe. The first display screen portion has a first display surface. The hinge structure is pivotally connected to the connecting portion and the first display screen portion, respectively. The computer mainframe is slidably disposed on the connecting portion. The computer mainframe is slidable relative to the first display screen portion for alternatively changing arrangement orientations of the computer mainframe relative to the first display screen portion.

Abstract: A notebook computer includes a connecting portion, a first display screen portion, a hinge structure and a computer mainframe. The first display screen portion has a first display surface. The hinge structure is pivotally connected to the connecting portion and the first display screen portion, respectively. The computer mainframe is slidably disposed on the connecting portion. The computer mainframe is slidable relative to the first display screen portion for alternatively changing arrangement orientations of the computer mainframe relative to the first display screen portion.