ACS develops and manufactures high-quality photodiodes using a range of advanced technologies. Materials and fabrication processes can be adjusted and customized to customer requirements: indium-phosphide- and gallium-arsenide-based photodiodes. ACS is committed to manufacturing suitable products for you. A photodiode (Photo-Diode) is an optical sensor that converts optical energy into electrical energy (voltage or current). It is a semiconductor device with a PN junction. An intrinsic layer exists between the p (positive) and n (negative) layers. The photodiode receives optical energy as input and produces current. It is also called a photodetector, photosensor or light detector. Photodiodes operate under reverse bias: the p side is connected to the negative terminal of the battery (or power supply), and the n side to the positive terminal.
Photodetection (optical sensor)
A photodiode is a fast, highly linear device with high quantum efficiency in use, suitable for a wide range of applications.
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Zhongke Xindian Semiconductor Technology (Beijing) Co., Ltd. was established in October 2014. It is a high-tech enterprise specializing in the R&D and production of InP-based and GaAs-based optoelectronic and microelectronic MBE epitaxial materials. The company has passed ISO9001:2015, ISO14001, Beijing High-tech Enterprise, Zhongguancun High-tech Enterprise and other related certifications.
The company currently has multiple production lines of Veeco GEN2000 mass-production MBE epitaxial wafer processes from the United States, as well as a full set of internationally advanced analytical and testing equipment. It has built more than 2,000 square meters of supporting factory buildings, including Class 10, Class 100 and Class 1000 cleanrooms. In 2022, large-scale production was achieved, with a capacity of 80,000 wafers per year (converted to 2 inches).
InP-based and GaAs epitaxial materials are core components of chips and devices such as optical communications, photodetectors, microwave RF, and laser sensors. The company's products cover important applications in the optoelectronic field such as APD, PD, VCSEL, QCL, and in the microelectronic field such as PHEMT, HEMT, HBT, SBD, RTD. Some products (such as 10G, 25G, 50G APD, 800G, 1.6T PD, PHEMT, etc.) have reached the performance level of similar international products and achieved multi-batch mass production.