Abstract: A fluid immersion cooling system has a fluid tank containing a hydrocarbon dielectric fluid as a coolant fluid. One or more components of an electronic system is immersed in the coolant fluid. A gas cylinder contains a non-flammable, compressed filling gas. The temperature of the coolant fluid is monitored during operation of the electronic system. The filling gas is released from the gas cylinder and into the fluid tank when the temperature of the coolant fluid rises to a trigger temperature that is set based on the flash point of the coolant fluid. The filling gas covers a surface of the coolant fluid to block oxygen from interacting with vapors of the coolant fluid to prevent combustion.

Abstract: A semiconductor device includes first IC dies disposed side-by-side, a second IC die overlapping and electrically coupled to the first IC dies, and first conductive features. Each first IC die includes first and second die connectors. A first pitch of the first die connectors is less than a second pitch of the second die connectors and is substantially equal to a third pitch of the third die connectors of the second IC die. The first conductive features are interposed between and electrically coupled to the first and third die connectors. Each first conductive feature includes at least a first conductive bump and at least a first conductive joint.

Abstract: A lighting module includes a lighting unit, a cylindrical optical element, a supporting unit, and a base. The supporting unit connects the base and a part of the supporting unit is higher than a junction of the base and the supporting unit. The lighting unit is disposed on the base and includes a lighting surface emitting a light beam. The cylindrical optical element includes an incident surface and both ends of the cylindrical optical element are respectively connected to the supporting unit making the incident surface facing the lighting surface and having an interval from the lighting unit to the incident surface, and the light beam enters the cylindrical optical element from the incident surface. The lighting module satisfies the following condition: 2?D/E?6; wherein D is a diameter of the cylindrical optical element and E is the interval from the lighting unit to the incident surface.

Abstract: Methods, machine readable media and systems for evaluating, through one or more simulations, the leakage of sensitive data in an integrated circuit, such as cryptographic data or keys, are described. The embodiments can use machine learning models, such as one or more neural networks to generate one or more leakage related scores for each portion in a set of portions of the cryptographic data. In one embodiment, leakage data associated the first set of POIs with one or more neural networks is processed by the one or more neural networks to identify the POIs that leak the most and determine one or more scores for each portion in the set of portions of the cryptographic data.

Abstract: A package structure including IPD and method of forming the same are provided. The package structure includes a die, an encapsulant laterally encapsulating the die, a first RDL structure disposed on the encapsulant and the die, an IPD disposed on the first RDL structure and an underfill layer. The IPD includes a substrate, a first connector on a first side of the substrate and electrically connected to the first RDL structure, a guard structure on a second side of the substrate opposite to the first side and laterally surrounding a connector region, and a second connector disposed within the connector region and electrically connected to a conductive via embedded in the substrate. The underfill layer is disposed to at least fill a space between the first side of the IPD and the first RDL structure. The underfill layer is separated from the connector region by the guard structure.

Abstract: A lens assembly for display includes a display, a lens assembly, and a prism assembly. The display emits a first light beam. The lens assembly includes a first, second, and third lenses. The prism assembly includes a first, second prisms, and an optical multilayer film, wherein the first prism includes a first, second, and third surfaces and the second prism includes a fourth, fifth, sixth, seventh, and eighth surfaces. The lens assembly for display satisfies at least one of following conditions: 0.60?Din/TTL?0.75; 0.28?Din/f123?0.35; 4.56 mm?Din?5.02 mm; wherein Din is an effective optical diameter of the light incident surface, TTL is an interval from the light incident surface to the light emitting surface along the optical axis, and f123 is an effective focal length of a combination of the first lens, the second lens, and the third lens.

Abstract: An optical system and the adjusting device thereof. The optical system includes an optical device. The adjusting device is configured for adjusting a location of a center of the optical device. The adjusting device includes a first adjusting element which is movable along a first axis and is propped against the optical device, a second adjusting element which is movable along a second axis and is propped against the optical device, and a third adjusting element which is movable along a third axis and is propped against the optical device. The center of the optical device is spaced apart from where the first axis and the second axis meet and/or where the first axis and the third axis meet.

Abstract: An electronic device includes a circuit board, a shielding member, and a testing pin. The circuit board includes a grounding area. The shielding member is located on a side of the circuit board and includes a shielding layer and an insulating layer. The shielding layer is electrically connected to the grounding area. The insulating layer is located on a side of the shielding layer away from the circuit board. The testing pin is disposed on the circuit board and electrically connected to the shielding layer.

Abstract: Various powered personal mobility vehicles are disclosed. In some embodiments, the vehicle can include a deck having a forward portion, a rearward portion, and a neck portion. A front swivel wheel assembly and a rear swivel wheel assembly can be connected with the deck. In some embodiments, the front swivel wheel assembly comprises a motor.

Abstract: A semiconductor package includes a semiconductor die including an active surface and an electrical terminal on the active surface, and a redistribution circuitry disposed on the active surface of the semiconductor die and connected to the electrical terminal. A top surface of the redistribution circuitry includes a planar portion and a concave portion connected to the planar portion, the concave portion is directly over the electrical terminal, and a minimum distance measured from a lowest point of the concave portion to a virtual plane where the planar portion is located is equal to or smaller than 0.5 ?m.

Abstract: Compositions and methods are provided for enzymes with altered properties that involve a systematic approach to mutagenesis and a screening assay that permits selection of the desired proteins. Embodiments of the method are particularly suited for modifying specific properties of restriction endonucleases such as star activity. The compositions includes restriction endonucleases with reduced star activity as defined by an overall fidelity index improvement factor.

Abstract: Provided are a chromium-free passivated and film-covered tinned plate, a passivation treatment solution for manufacturing a passivation film, and a manufacturing method for a tinned plate. The chromium-free passivated and film-covered tinned plate comprises a tinned plate and a polyester film laminated on a surface of the tinned plate. The tinned plate comprises a substrate, a tin coating and a passivation film covering a surface of the tin coating. The passivation film does not contain chromium, and contains 2.0-20 mg/m2 of zinc and 10-60 mg/m2 of silicon. A solvent in the passivation treatment solution is water, and the solution contains 0.5-5.0 wt % of a zinc salt and 10-30 wt % of an organosiloxane or a polysiloxane.

Abstract: Embodiments of present disclosure relate to an apparatus and a method for controlling a delta-connected cascaded multilevel converter. The apparatus (100) for controlling a delta-connected cascaded multilevel converter (110) comprises: a converter controller (102) configured to: receive current signals indicating phase currents flowing through respective phase arms of the converter (110); determine a harmonic current signal indicating a circulating current of the converter (110) from the current signals; and generate, based on the determined harmonic current signal and a reference current signal, a harmonic voltage signal to cause an amplitude of the circulating current flowing through the phase arms of the converter (110) to be a predetermined amplitude.

Abstract: This application describes an animation data generation method and apparatus, and a related product, which may be applied to scenarios such as a cloud technology, artificial intelligence (AI), intelligent transportation, assisted driving, digital human, virtual human, gaming, virtual reality, and extended reality (XR). Features of a virtual object in a virtual scene are obtained, and animation data of the virtual object is generated through a trained neural network based on the features. The use of the neural network omits storage of massive data into an internal memory and query of the massive data for a matched animation during generation of the animation data, and only requires storage of weight data related to the neural network in advance. Therefore, only a small internal memory is occupied, thereby avoiding problems such as large internal memory occupation and poor query performance during generation of the animation data.

Abstract: Disclosed are an AF (autofocus) motor structure, a camera device, and an electronic product. The AF motor structure includes a base, a housing, a bracket, a main carrier, and a lens, the bracket is provided with a main coil for driving the main carrier to move, and the main carrier is provided with a magnet corresponding to the main coil; the main carrier is provided with a continuous zoom assembly that drives the lens to move, the continuous zoom assembly includes a sub-carrier movable relative to the main carrier in the sliding direction of the main carrier and a sub-coil disposed on the sub-carrier, the lens is connected to the sub-carrier, and the sub-coil corresponds to the magnet.

Abstract: The embodiments of the disclosure provide a method for hand tracking. The method includes: obtaining, through a head-mounted device, a first image of a hand; determining, through the processor, a first pose of a first part of the hand based on the first image; obtaining, through a hand-held device, a second image of the hand; determining, through the processor, a second pose of a second part of the hand based on the second image, wherein the first part and the second part complementarily form an entirety of the hand; and determining, through the processor, a gesture of the hand based on the first pose and the second pose.

Abstract: A lithography system includes an immersion lithographic apparatus, a fluid supply device, and a sensor. The fluid supply is configured to supply fluid to the immersion lithographic apparatus. The fluid supply device includes at least one liquid storage tank, an upper liquid pipe and a lower liquid pipe connected to the liquid storage tank. The sensor includes at least one hydraulic pressure gauge. The at least one hydraulic pressure gauge is arranged near a lower part of the liquid storage tank and connected to the lower liquid pipe and the upper liquid pipe so as to measure the hydraulic pressure at a bottom of the liquid storage tank. The height of the liquid level in the liquid storage tank is calculated from the hydraulic pressure.

Abstract: A handheld controller is adapted to control an electronic device. The handheld controller includes a first body, a second body, and a connecting portion. The first body is adapted to be held by a user's hand. The second body is connected to the first body through the connecting portion. The connecting portion is adapted to be clamped between user's fingers. A distance between the first body and at least a portion of the second body is variable.

Abstract: An integrated circuit package and a method of forming the same are provided. The method includes attaching an integrated circuit die to a first substrate. A dummy die is formed. The dummy die is attached to the first substrate adjacent the integrated circuit die. An encapsulant is formed over the first substrate and surrounding the dummy die and the integrated circuit die. The encapsulant, the dummy die and the integrated circuit die are planarized, a topmost surface of the encapsulant being substantially level with a topmost surface of the dummy die and a topmost surface of the integrated circuit die. An interior portion of the dummy die is removed. A remaining portion of the dummy die forms an annular structure.