Abstract: A casing for semiconductor packages that includes a plurality of press-fit pins is disclosed. Specific implementations include a shaft including a first end and a second end. The first end may include a head. The press-fit pin may include a bonding portion included at the second end. The bonding portion may include a first section extending substantially perpendicular from a longest length of the shaft. The bonding portion may also include an angled section coupled to a bonding foot. The bonding foot may be configured to be ultrasonically welded to a substrate.

Abstract: A dual power supply transfer switch (SSATS) for switching between a first power supply (S1) and a second power supply (S2) to supply power to a load is provided, includes: a solid-state switch (SS); a mechanical switch (CTR); and a compensation power module (AUX). In the case that the S1 fails in supplying power to the load, the AUX uses the S2 to supply power to the load, and the output current of the S1 is reduced. After satisfying the turn off condition for the SS, the SS turns off the S1, the CTR turns off the S1 and turns on the S2. After the S2 is adjusted to synchronize with the phase of the output current of the S1, the SS turns on the S2 and the AUX stops outputting current. The SSATS provides advantages such as fast transfer, zero interruption, and short voltage sag time.

Abstract: Method and apparatus for detecting in impedance change in a transmission line, such as a line in a computer bus. A CMOS-compatible time domain reflectometer circuit comprising a comparator is embedded in one or more chips and connected to the transmission line. The circuit measures the impedance inhomogeneity pattern (IIP) of the transmission line prior to use, and then repeatedly measures the HP during operation of the transmission line to detect a change in IIP, without Interfering with data transfer through the transmission line. The present invention can detect and locate wire-tapping magnetic probing or snooping, and Trojan and cold boot attacks on interconnecting buses between computer chips or integrated circuits in a computer system, such as on external memory buses.

Abstract: Embodiments of the present disclosure provides a solid state circuit breaker, comprising: a first switch; a second switch, connected in series with the first switch in a circuit to be protected; an operation switch, connected to the second switch, wherein the second switch is closed in a case that the operation switch is in a closed position, and is opened in a case that the operation switch is in an opened position; a micro switch, connected to the operation switch, and cable of being driven to a predetermined opened position by the operation switch during the process of the operation switch being switched from the closed position to the opened position; a position detection circuit, connected to the micro switch, capable of generating an opening feedback signal in a case that the micro switch is driven to a predetermined opened position; a control unit, connected to the position detection circuit to receive an opening feedback signal, capable of generating a predetermined opening signal based on the opening

Abstract: A system architecture of a fast transfer switch is provided, which includes a main power loop configured to be connected to at least two power supplies, transfer between the at least two power supplies, and output an AC signal; a first parallel bypass module configured to output an AC signal, the first parallel bypass module including an independent power supply; the main controller is configured to, in response to detecting the abnormality of the first power supply of the at least two power supplies, adjust the AC signal output by the first parallel bypass module during the transfer of the main power loop between the at least two power supplies, so as to transfer from the first power supply outputting the AC signal via the main power loop to the second power supply of the at least two power supplies outputting the AC signal via the main power loop.

Abstract: The present disclosure belongs to the technical field of microorganisms, and specifically relates to a non-toxin-producing Aspergillus flavus strain, a microbial inoculant, a preparation, and use. The present disclosure provides a non-toxin-producing Aspergillus flavus strain EXY1A109 with a deposit number of CCTCC No: M20221465. The strain can effectively inhibit the production of aflatoxin B1, aflatoxin B2, aflatoxin G1, and aflatoxin G2 by a toxin-producing Aspergillus flavus strain. The results of examples show that when an Aspergillus flavus strain EXY1A109 spore suspension and a strain CGMCC 3.4408 spore suspension are mixed in an equal volume, the Aspergillus flavus strain EXY1A109 spore suspension and the strain CGMCC 3.4408 spore suspension each have a concentration of 1×106, and the strain EXY1A109 has a toxin-producing inhibition rate of 99.71% against the strain CGMCC 3.4408. This Aspergillus flavus strain shows a desirable application effect.

Abstract: In a general aspect, a method of producing a signal distribution assembly includes forming a first metal layer having a first, planar side and a second, non-planar side opposite the first side. The second side includes a first base portion, a first post extending from the first base portion; and a second post extending from the first base portion. The method also includes molding the first metal layer such that a molding compound is disposed on the second side of the first metal layer with respective upper surfaces of the first and second posts being exposed through the molding compound. The method further includes coupling the first side of the first metal layer to a first surface of a thermally conductive insulator layer and coupling a second metal layer with a second surface of the thermally conductive insulator layer opposite the first surface of the thermally conductive insulator layer.

Abstract: The disclosure claims a method of stimulating a conditional quantum master equation in a quantum transport process by a recurrent neural network, comprising the following steps of: establishing a recurrent neural network which is a long short term memory network (LSTM), wherein the LSTM comprises TLSTM cells arranged in chronological order, and each LSTM cell has an input value xt and an output value ht, and there is a parameter (W, b) in the LSTM cell; replacing the input value xt with a shot noise spectrum S(?) of the current obtained according to the conditional quantum master equation; replacing the output value ht with a trace of density matrices in the conditional quantum master equation; and replacing the parameter (W, b) with a connection between density matrices in the conditional quantum master equation at imminent moments.

Abstract: The present disclosure provides a control circuit and a control method of a bistable permanent magnet mechanism. The control circuit includes five switches, a diode and a control unit for controlling the five switches to be turned on and turned off. The control circuit enables the positive and the negative of the current passing through the coil to be adjustable at any time and avoids load breaking, without a complicated design of a driving circuit, thereby reducing the cost. It can also realize PWM control, adapt to a larger current range and different bistable permanent magnet mechanisms, and has a wide range of application scenarios.

Abstract: A method of detecting forward and reverse connection of a three-phase motor is disclosed, including: turning on a first solid-state switch pair and a second solid-state switch pair into conduction for a predetermined period of time so that current can flow between a power supply and the three-phase motor; detecting output current of a solid-state motor starter; and determining the forward and reverse connection state of the three-phase motor based on the output current of the solid-state motor starter, in a case that currents exist at a first output terminal and a second output terminal, it is determined that the three-phase motor is in the forward connection state, and in a case that currents exist at the first output terminal and a third output terminal, it is determined that the three-phase motor is in the reverse connection state. Furthermore, a solid-state motor starter is disclosed.

Abstract: Disclosed herein are methods for preparing fluorided solid oxides by contacting an acidic fluorine-containing compound with an inorganic base to form an aqueous mixture having a pH of at least 4, followed by contacting a solid oxide with the aqueous mixture to produce the fluorided solid oxide. Also disclosed are methods for preparing fluorided solid oxides by contacting an acidic fluorine-containing compound with a solid oxide to produce a mixture, followed by contacting the mixture with a inorganic base to produce the fluorided solid oxide at a pH of at least about 4. The fluorided solid oxide can be used as an activator component in a catalyst system for the polymerization of olefins.

Abstract: Methods for preparing a metallocene-based catalyst composition that can impact the long chain branching of ethylene homopolymers and copolymers produced using the catalyst composition are described. The catalyst composition can be prepared by contacting a metallocene compound, a hydrocarbon solvent, and a first organoaluminum compound for a first period of time to form a metallocene solution, and then contacting the metallocene solution with an activator-support and a second organoaluminum compound for a second period of time to form the catalyst composition.

Abstract: The present disclosure provides the use of an anti-PD-1 antibody in combination with famitinib in the preparation of a drug for treating tumors. In the present technical solution, toxicity is controllable and tolerable. At the same time, the described drug combination effectively reduces adverse reactions to the anti-PD-1 antibody, such as the occurrence of reactive capillary endothelial proliferation.

Abstract: A dual-side cooling (DSC) semiconductor package includes a first metal-insulator-metal (MIM) substrate having a first insulator layer, first metallic layer, and second metallic layer. A second MIM substrate includes a second insulator layer, third metallic layer, and fourth metallic layer. The third metallic layer includes a first portion having a first contact area and a second portion, electrically isolated from the first portion, having a second contact area. A semiconductor die is coupled with the second metallic layer and is directly coupled with the third metallic layer through one or more solders, sintered layers, electrically conductive tapes, solderable top metal (STM) layers, and/or under bump metal (UBM) layers. The first contact area is electrically coupled with a first electrical contact of the die and the second contact area is electrically coupled with a second electrical contact of the die. The first and fourth metallic layers are exposed through an encapsulant.

Abstract: A method of imprint lithography mold defect mitigation and a masked imprint lithography mold employ a masking layer to selectively cover a surface defect. The method of imprint lithography mold defect mitigation includes depositing a masking layer on a surface of an imprint lithography mold to selectively cover a defect on the surface and form a masked imprint lithography mold. The method of imprint lithography mold defect mitigation further includes forming a negative imprint lithography mold from the masked imprint lithography mold. The masked imprint lithography mold includes an imprint lithography mold having a surface with a defect and a patterned masking layer affixed to the surface and configured to selectively cover the defect. The patterned masking layer that selectively covers the defect is configured to mitigate an effect of the defect when the masked imprint lithography mold is employed in imprint lithography.

Abstract: A method and device for issuing an identity certificate to a blockchain node in a blockchain network includes issuing a first identity certificate to a first terminal. a second identity certificate issuance request that is from the first terminal and that is made by using the first identity certificate is received and a second identity certificate is issued to the first terminal, which forwards the second identity certificate to a second terminal. A third identity certificate issuance request that is from the second terminal and that is made by using the second identity certificate is received and a third identity certificate is issued to the second terminal, which forwards the third identity certificate to a third terminal.

Abstract: Fluorided silica-coated alumina activator-supports have a bulk density from 0.15 to 0.37 g/mL, a total pore volume from 0.85 to 2 mL/g, a BET surface area from 200 to 500 m2/g, an average pore diameter from 10 to 25 nm, and from 80 to 99% of pore volume in pores with diameters of greater than 6 nm. Methods of making the fluorided silica-coated alumina activator-supports and using the fluorided silica-coated aluminas in catalyst compositions and olefin polymerization processes also are described. Representative ethylene-based polymers produced using the compositions and processes have a melt index of 0.1 to 10 g/10 min and a density of 0.91 to 0.96 g/cm3, and contain from 70 to 270 ppm solid oxide and from 2 to 18 ppm fluorine.

Abstract: The present disclosure relates to an electromechanical sequential action device that is capable of sequentially interlocking a mechanical switch and a power electronic switch, where through an action sequence control, the electromechanical mechanism turns on the power electronic switch only after the mechanical switch is closed, and through an advanced travel control, turns off the power electronic switch before opening the mechanical switch, avoiding the problem of arc discharge during closing and opening of the mechanical switch, and improving the service life and connection reliability of the mechanical switch.

Abstract: It relates to a cosmetic composition for caring for the skin, comprising: (i) at least one N-substituted aminosulfonic acid compound; (ii) at least one hydroxy acid; and (iii) at least one penetration enhancer It also relates to a non-therapeutic method for caring for the skin, comprising applying the composition to the skin for a period of time and then rinsing the skin.