Chinese semiconductor thread II
- Thread starter vincent
- Start date
He is not a subject matter expert in semiconductor.
The first lithography machine was put into operation at Xinzhiwei's advanced packaging and testing production base, and the first production line started mass production within the year
It is reported that Xinzhiwei will continue to introduce advanced equipment and increase R&D investment and process optimization according to the established plan. It is expected that within this year, the company will complete the construction of the first production line and gradually achieve mass production. After reaching full production, the annual packaging and testing capacity will reach 120,000 wafers.
According to official news from Xinzhiwei, the company is a company specializing in advanced semiconductor packaging and testing, and is currently mainly engaged in display driver chip (DDIC) packaging and testing. The core operation team is composed of senior experts from the semiconductor industry chain in Taiwan, the United States, Japan, etc., and has mastered a series of core technologies with independent intellectual property rights and a lot of process experience in all aspects of display driver chip packaging and testing.
On July 25, 2024, the groundbreaking ceremony of Xinzhiwei's "Annual 120,000 Wafer-level Advanced Packaging Project" was held in Nanhu, Jiaxing. According to official news from Xinzhiwei, the commencement of the Jiaxing Nanhu factory marks Xinzhiwei's official entry into the DDIC packaging and testing industry, and it strives to build the Jiaxing Nanhu factory into an advanced packaging and testing industry base with leading technology and high-quality services. Xinzhiwei will also use the "Annual 120,000 Chip Advanced Packaging Full-Process Packaging Project" as a carrier to increase investment in technology research and development, actively expand market space, improve product quality, and improve output efficiency, and strive to make the company a leading domestic and world-class advanced packaging and testing company as soon as possible, providing DDIC customers with a full set of packaging and testing solutions.
Professor Song Qinghai and Chen Yimu's team at Harbin Institute of Technology developed a new type of chiral optoelectronic material to provide new ideas for electro-circularly polarized light sources
Recently, the team of Professor Song Qinghai and Professor Chen Yimu from the School of Integrated Circuits at the Shenzhen Campus has made important research progress in the field of optoelectronic devices. The research results were published in Nature Communications under the title "Perovskite spin light-emitting diodes with simultaneously high electroluminescence dissymmetry and high external quantum efficiency".
Light-emitting diodes that can achieve direct electro-induced circularly polarized light emission can meet the needs of the next generation of information technology in terms of miniaturization, integration, high speed, low power consumption, and multifunctionality, and show good application potential in the fields of quantum information, new displays, optical communications and information security, and precision biomedicine. In practical applications, this type of device needs to have excellent luminescence performance, especially high external quantum efficiency, and be able to produce highly asymmetric circularly polarized light. However, mainstream organic circularly polarized light-emitting diodes have limitations in achieving both high optoelectronic performance and high luminescence asymmetry. Therefore, the development of high-performance, high-asymmetry circularly polarized light-emitting diodes based on new materials is crucial to the new generation of information technology. Chiral perovskite materials have an efficient chirality-induced spin selection effect, which can break through the limitations of the low chirality/glare activity of the material structure to produce highly asymmetric spin-polarized charges, and directly realize the emission of circularly polarized light through the radiative recombination of spin-polarized charges, providing a new idea for the construction of this type of device.
In response to the above problems, the research team thoroughly investigated the problems existing in the existing spin light-emitting diodes based on chiral perovskite materials, proposed a device working model of spin-polarized excitons, and through the path of "working mechanism-material regulation-device optimization", developed a perovskite spin light-emitting diode with both high luminescence asymmetry and high external quantum efficiency.
Recently, the team of Professor Song Qinghai and Professor Chen Yimu from the School of Integrated Circuits at the Shenzhen Campus has made important research progress in the field of optoelectronic devices. The research results were published in Nature Communications under the title "Perovskite spin light-emitting diodes with simultaneously high electroluminescence dissymmetry and high external quantum efficiency".
Light-emitting diodes that can achieve direct electro-induced circularly polarized light emission can meet the needs of the next generation of information technology in terms of miniaturization, integration, high speed, low power consumption, and multifunctionality, and show good application potential in the fields of quantum information, new displays, optical communications and information security, and precision biomedicine. In practical applications, this type of device needs to have excellent luminescence performance, especially high external quantum efficiency, and be able to produce highly asymmetric circularly polarized light. However, mainstream organic circularly polarized light-emitting diodes have limitations in achieving both high optoelectronic performance and high luminescence asymmetry. Therefore, the development of high-performance, high-asymmetry circularly polarized light-emitting diodes based on new materials is crucial to the new generation of information technology. Chiral perovskite materials have an efficient chirality-induced spin selection effect, which can break through the limitations of the low chirality/glare activity of the material structure to produce highly asymmetric spin-polarized charges, and directly realize the emission of circularly polarized light through the radiative recombination of spin-polarized charges, providing a new idea for the construction of this type of device.
In response to the above problems, the research team thoroughly investigated the problems existing in the existing spin light-emitting diodes based on chiral perovskite materials, proposed a device working model of spin-polarized excitons, and through the path of "working mechanism-material regulation-device optimization", developed a perovskite spin light-emitting diode with both high luminescence asymmetry and high external quantum efficiency.
Last edited:
