Abstract: A screen capable of reflecting projected light from a projector to a viewer's field of view, at least comprising a surface diffusion layer (14), a transmission light-absorbing layer (13) and a projection reflective layer (12) which are stacked sequentially from the incident side of the projected light. The projection reflective layer (12) selectively reflects the projected light. The transmission light-absorbing layer (13) comprises light-absorbing material particles, and the distribution of the light-absorbing material particles in the transmission light-absorbing layer (13) is set according to the distribution of the Fresnel loss of the projected light on the surface of the screen, such that the light transmittance of the transmission light-absorbing layer (13) is higher in the region where the Fresnel loss is larger. Further disclosed is a projection system comprising the screen. The screen and the projection system have high contrast and high brightness uniformity.

Abstract: Systems and methods for synchronizing data between an online data source and a client application. The method includes, in response to a change in a permission associated with a user to a protected data set included in a shared data space of the online data source, receiving, with the client application associated with the user, a protected data synchronization token issued by the online data source associated with the protected data set and downloading, with the client application, the protected data set included in the shared data space from the online data source to the client application using the protected data synchronization token without re-downloading a public data set included in the shared data space. After downloading the protected data set, the method includes synchronizing the shared data space, including the protected data set and the public data set, using a stored data space synchronization token.

Abstract: A magnetoresistive memory device includes a memory stack, a spin-orbit-torque (SOT) layer, and a free layer. The memory stack includes a pinned layer and a reference layer over the pinned layer. The SOT layer is spaced apart from the memory stack. The free layer is over the memory stack and the SOT layer.

Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a metal gate electrode structure and an insulating layer over the semiconductor substrate. The insulating layer surrounds the metal gate electrode structure. The method includes nitrifying a first top portion of the metal gate electrode structure to form a metal nitride layer over the metal gate electrode structure.

Abstract: A total reflection screen comprises a light diffusion layer, a total reflection layer and a light absorption layer arranged sequentially from an incidence side of the projected light. The light absorption layer can absorb an incident light. The light diffusion layer is used for increasing a divergence angle of an emergent light. The total reflection layer comprises a plurality of microstructure units that is rotationally symmetrical and extends continuously in a plane of the total reflection screen. Each of the microstructure units comprises a first material layer disposed at the side of the light diffusion layer and a second material layer disposed at the side of the light absorption layer. The interface between the first material layer and the second material layer is comprised of two intersecting planes, which are disposed in such a way that the projected light is subjected to total reflection continuously at the two intersecting planes.

Abstract: Provided are a crystal form of an oxopicolinamide derivative and a preparation method therefor. In particular, provided are crystal forms A, B, C, D, E, and F of a compound as shown in formula (I) and a preparation method therefor. Crystal forms A, B, C, D, E, and F of the compound of formula (I) obtained in the present disclosure have good crystal stability and chemical stability, and can be better used in clinical treatment.

Abstract: The present invention discloses a thermal pile sensing structure integrated with one or more capacitors, which includes: a substrate, an infrared sensing unit and a partition structure. The infrared sensing unit includes a first and a second sensing structure. A hot junction is formed between the first and the second sensing structures at a location where the first and the second sensing structures are close to each other. A cold junction is formed between the partition structure and the first sensing structure at a location where these two structures are close to each other. Another cold junction is formed between the partition structure and the second sensing structure at a location where these two structures are close to each other. A temperature difference between the hot junction and the cold junction generates a voltage difference signal. Apart of the partition structure forms at least one capacitor.

Abstract: A method for fabricating semiconductor device includes the steps of: forming a first magnetic tunneling junction (MTJ) on a substrate; forming a first liner on the MTJ; forming a second liner on the first liner; forming an inter-metal dielectric (IMD) layer on the MTJ, and forming a metal interconnection in the IMD layer, the second liner, and the first liner to electrically connect the MTJ. Preferably, the first liner and the second liner are made of different materials.

Abstract: A solid particle, a preparation method therefor, and a pharmaceutical composition. The solid particle comprises a porous solid particle and a non-aqueous liquid formula. The non-aqueous liquid formula comprises 0.10-4.00 wt % of a hydrophobic active pharmaceutical agent, 28.00-99.90 wt % of a hydrophobic solubilizing solution, 0-70.00 wt % of a non-ionic surfactant, and 0-1.00 wt % of an antioxidant. The hydrophobic solubilizing solution comprises a medium-chain monoglyceride and diglyceride, and/or a propylene glycol fatty acid monoester.

Abstract: The disclosure provides a semiconductor memory device including a substrate having a memory cell region and an alignment mark region; a dielectric layer covering the memory cell region and the alignment mark region; conductive vias in the dielectric layer within the memory cell region; an alignment mark trench in the dielectric layer within the alignment mark region; and storage structures disposed on the conductive vias, respectively. Each of the storage structures includes a bottom electrode defined from a bottom electrode metal layer, a magnetic tunnel junction (MTJ) structure defined from an MTJ layer, and a top electrode. A residual metal stack is left in the alignment mark trench. The residual metal stack includes a portion of the bottom electrode metal layer and a portion of the MTJ layer.

Abstract: Provided are a display apparatus and a headphone control circuit thereof including a main chip, a headphone port and a switch circuit including a control circuit, a left channel switch and a right channel switch, the control circuit, the left channel switch and the right channel switch connecting to the main chip, the control circuit connecting to the left channel switch and the right channel switch, the left channel switch and the right channel switch connecting to the headphone port; the control circuit configured to receive a control signal output from the main chip and, output according to the control signal a first signal to the left channel switch and a second signal to the right channel switch respectively, the first signal is used to control on or off of the left channel switch, and the second signal is used to control on or off of the right channel switch.

Abstract: A control method for improving forming and 3D precise printing performance of a thawed surimi system relates to the field of 3D printing food material preparation technologies. In the present invention, steps including thawing, mixing, grinding, performing, printing, setting, and cooking are performed on frozen surimi. A thawed surimi gel system of the present invention can reduce the printing temperature, and increase the discharging rate and the three-dimensional forming rate. In the present invention, an acid-induced surimi gel is formed by adding linseed gum and glucolactone, and the surimi gel has stable viscosity and fluidity. The surimi slurry is minced and does not easily cause blockage, and discharging is smooth. By means of 3D precise printing technology, the surimi gel system of the present invention may be made into a cold dish of fish product that retains original properties and taste of the surimi product.

Abstract: Disclosed are a wearable device and a smart watch. A printed circuit board (PCB) is provided in the wearable device. An antenna and an extension component for extending a reference ground of the antenna are assembled on the PCB board, the extension component being disposed outside the PCB board, and being connected to the PCB board by using a metal connector. A first connection end of the metal connector is connected to the PCB board, and a second connection end of the metal connector is connected to the extension component. The technical solutions provided in the present invention can overcome the shortcomings of low transmit power of an antenna and poor receiving sensitivity of the antenna in a current wearable device.

Abstract: A method for fabricating semiconductor device includes the steps of: forming an inter-metal dielectric (IMD) layer on a substrate; forming a metal interconnection in the IMD layer; forming a bottom electrode layer on the IMD layer, wherein the bottom electrode layer comprises a gradient concentration; forming a free layer on the bottom electrode layer; forming a top electrode layer on the free layer; and patterning the top electrode layer, the free layer, and the bottom electrode layer to form a magnetic tunneling junction (MTJ).

Abstract: A board, a mainboard, and a system and method for monitoring a temperature are provided. The board includes one or more temperature sensors and a connecting finger. The one or more temperature sensors are integrated on the board and are connected to the connecting finger. The connecting finger is plugged with a slot on an external mainboard to connect the board to the mainboard. Each of the one or more temperature sensors is configured to: convert an acquired ambient temperature to a current value, and output the current value to the mainboard in a case that the connecting finger is plugged with the slot.

Abstract: The present invention provides a salt of a phenylpropionamide derivative and a preparation method therefor. The present invention specifically provides an acetate, hydrochloride, phosphate, citrate, benzoate, or fumarate of 4-amino-1-((2R,5R,8R,14R)-2-(4-aminobutyl)-8-benzyl-5-isobutyl-4,7,10-trioxo-14-phenyl-3,6,9,12-tetraazapentadecan-1-acyl)piperidine-4-carboxylic acid, and a preparation method therefor. The salt of the compound of formula (I) of the present invention has good stability, and the simple process thereof facilitates easy operation. The invention is better suited for clinical treatment.

Abstract: A method by a network device to record certifications granted to users in a distributed ledger implemented by a peer-to-peer computer network. The method includes responsive to determining that a second certification has been granted to a user after the first certification has been granted to the user, causing a token transfer to be recorded in the distributed ledger between a digital wallet associated with the second certification and a digital wallet associated with the user to indicate that the second certification has been granted to the user and also causing a token transfer to be recorded in the distributed ledger between a digital wallet associated with the first certification and the digital wallet associated with the second certification to indicate that the second certification has been granted to the user after the first certification.

Abstract: An illuminator is provided, comprising a support frame arranged symmetrically around an optical axis of an optical sensor. The illuminator includes at least one light bar connected to the support frame. At least one light source is connected to the support frame, wherein each of the at least one light source is configured to direct light towards one of the opposing ends of one of the at least one light bar. The illuminator further includes a peripheral cover configured to receive light emitted from the front face of each of the at least one light bar. The peripheral cover is further configured to emit dark field illumination at a low incident angle with respect to a plane perpendicular to the optical axis and to emit bright field illumination at a high incident angle with respect to the plane perpendicular to the optical axis.

Abstract: A process for making a low-profile choke includes steps of: providing an etchable substrate; applying a masking layer on the etchable substrate; etching the etchable substrate through perforated patterns of the masking layer to permit the etchable substrate to be formed with an array of recessed patterns, each of which includes a core recess portion and a coil-patterned recess portion; filling a magnetic material and a conductive material respectively into the core recess portion and the coil-patterned recess portion of each of the recessed patterns to form in the etchable substrate a plurality of magnetic cores and a plurality of conductive coils; and slicing the etchable substrate to obtain a plurality of choke bodies.

Abstract: This application relates to a method and an apparatus for controlling an object in a virtual scene. The method may include generating a first virtual object at a first position point outside a navigation surface in a virtual scene; determining an appearance action of the first virtual object at a second position point in the navigation surface; controlling the first virtual object to move from the first position point to the second position point; and controlling the first virtual object to perform the appearance action at the second position point. In this way, when a virtual object needs to be refreshed, the first virtual object may be generated at the first position point, the first virtual object is controlled to move to the second position point, and the appearance action is performed at the second position point, thereby improving a refreshing effect of the virtual object.