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The focal position of laser focusing cannot be measured directly, but it can be detected indirectly. For a laser cutting system, its focal position is determined by the optical focus of the focusing ...[Details]

According to research by Susquehanna Financial Group, chip delivery times shortened again in August, averaging 26.8 weeks, slightly lower than the previous month's data, indicating that the global sh...[Details]

In recent years, domestic wafer fabs have been built on a large scale and gradually put into mass production. Domestic packaging and testing factories such as Changdian Technology, Huatian Technology...[Details]

0 Introduction Inverters have been widely used in many technical fields such as AC electrical transmission and UPS. The main circuit switching devices often use fully controlled devices su...[Details]

　　Foreign media reported that a Chinese startup that sells facial recognition systems to police officers is valued at more than $1.5 billion, which is enough to show that facial recognition technolo...[Details]

With the development of the new four trends in automobiles (intelligence, electrification, networking, and sharing), intelligent driving of automobiles is gradually entering the popularization stag...[Details]

       There are more and more leaks about the iPhone 12 series. Today, the source @Jioriku also exposed a set of spy photos of iPhone 12 Pro Max mobile phone cases, as well as a comparison with the ...[Details]

A-shares had a good start in April today, with the three major indexes collectively closing higher, including the Shanghai Composite Index up 0.71% to 3466.33 points, the Shenzhen Component Index up ...[Details]

1 Overview The safety protection of substation equipment and lines is an important guarantee for maintaining the normal operation of the power grid and the safe use of electricity by users....[Details]

    OnePlus 8 and OnePlus 8 Pro are already available for pre-order on JD.com, and the pre-order page also reveals some screen information of the upcoming new phones. 　　The entire OnePlus 8 series ...[Details]

The converter is reset by using the resonance effect achieved by the leakage inductance and parasitic capacitance of the converter. When the pulse duty ratio is large, the MOSFET drain-source voltage...[Details]

　　How to solve the length problem of magnetic flap level gauge 　　The magnetic flap level gauge can be used to directly observe the liquid level of the medium in various containers. It is suitable for...[Details]

The semiconductor industry is the core of the electronic information industry and a strategic, basic leading industry that supports economic and social development and ensures national security. In r...[Details]

In 2021, the semiconductor industry is still moving forward amid challenges. The post-epidemic era, tight production capacity, geopolitics and other factors still have a profound impact on the global...[Details]

With the advancement of science and technology and the development of automobile technology, the era of intelligent driving has arrived, and intelligent driving technology has become the foc...[Details]