ICC News 5G commercial drives the Internet of Everything. With the development of next-generation optical connections driven by applications such as optical communications, optical sensing, lidar, and consumer electronics, higher speeds and lower latency have become key features in the field of information optics. However, massive optical connections are facing huge cost pressures. The core component-optical communication chips, has an import monopoly, and the high cost has prompted an increasing demand for localization to replace imports. In the face of market conflicts, the domestic optical chip industry represented by Suzhou Suna Optoelectronics Co., Ltd. (abbreviated as Suna Optoelectronics) continues to promote product maturity and technological iteration, in order to significantly reduce the low cost of new infrastructure such as 5G and data centers, and continue to control it. Expand the price-sensitive markets of optical sensors and consumer electronics, and strive to make important contributions to the realization of the market value of "China Chip".
A strong scientific research platform lays the foundation for growth, domestic optical communication chips have market value
Domestic chip companies often lack market trust and opportunities, but Xunshi believes that the competitiveness of domestic optical communication chips and the growth of market demand are in line with each other, and it is inseparable from the support of a strong technology and talent platform. Suna Optoelectronics' growth experience proves Therefore, domestic optical communication chips can have high market value. Since its establishment in 2014, the company has been committed to building optical communication and optical sensor chips with independent intellectual property rights and core competitiveness to make up for the serious shortage of such chips in China and the shortcomings of relying on imports.
R&D and manufacturing in the semiconductor field require chip companies to "endure loneliness" and keep up with the market. Suna Optoelectronics, which focuses on the optical chip segmentation field, relied on the technology and talent advantages of the Suzhou Institute of Nanotechnology, Chinese Academy of Sciences. The first step is to establish a full-chain R&D and production process, so that the company has a unique MBE/MOCVD epitaxial equipment and team. It can realize the epitaxial growth of materials with ultra-high vacuum and nano-level interface, which is especially suitable for the needs of high-speed chip epitaxy, providing strong support for the company's products in the research and development and small batch stages.
Independent GaAs/InP/Si production line
Covering the entire chain of chip front-end and back-end process capabilities and reliability verification equipment
Ironing still needs its own hard work! The second step of Suna Optoelectronics is to independently build 500 square meters of ultra-clean rooms to ensure mass production of chips to ensure the yield and batch consistency of engineering mass production. The equipment assets are all owned by the company. The equipment covers the whole chain of chip manufacturing such as lithography, etching, metal, coating, thinning, polishing, scribing/split, screening, sorting, performance and reliability testing, etc., with an annual output of 30 million Only chip capability.
Give full play to the team’s technical expertise
Everything is ready, just wait for the east wind! According to LightCouting analysis, the optical transceiver market will continue to grow in 2020 and will grow by 24% by 2021. Driven by China's 5G deployment, the sales of wireless fronthaul and backhaul network optical components will increase by 18% and 92%, respectively. Driven by the deployment of the Chinese market, the FTTx and AOC sectors will also achieve double-digit growth in 2020. China has become the engine of the global optical communication market, and Suna Optoelectronics' optoelectronic chip products are the core components of optical communication modules. The abundant Chinese market demand and localized response advantages give Suna Optoelectronics products a broad market space.
In the face of high market demand and fierce industry competition, Suna Optoelectronics did not blindly choose to enter the Red Sea market, but gave full play to the advantages of advanced platforms, segmented market needs, and adopted a product line of passive chips and active chips. Drive” strategy, leveraging the market with independent knowledge products. Among them, passive chip products are mainly silicon-based lens chips, silicon-optical integrated substrates, gaskets, etc., and continue to develop passive chips such as lenses with different specifications and different materials (such as quartz, glass) on the existing product series. Active chip products mainly develop and manufacture various types of detector chips (25G/50G high-speed detectors, APD, wavelength expansion, line/area array chips, etc.), laser chips (special wavelengths), etc.
In terms of passive chips, Suna Optoelectronics' silicon lens chips have achieved rapid development in the past two years, and have achieved obvious technical and market advantages in the domestic market. It is one of the few internationally and the only domestic company capable of 6-inch wafers. A domestic manufacturer that produces and ships a full range of silicon lens products (including 100G/400G receiving end ball lenses and transmitting end aspheric lenses). Among them, Suna Optoelectronics is the only domestic supplier of the aspheric silicon lens applied to the TX end of the optical module and the ball array silicon lens applied to the 400G ROSA end, and the technical indicators have reached the same level of imported manufacturers. The entire series of silicon lens chip processes (lithography, hot melt, etching, thinning, coating, cutting, surface testing, sorting, etc.) are all independently completed by the company, realizing the localization of the entire chain and complete independent control . Complete import substitution, high cost performance, customizable, and fast delivery are the unique advantages of the company's products.
Mass production of single and array (pitch250/500/750μm) spherical silicon lenses with Roc≤6000μm and Diameter≤1000μm
Aspheric silicon lens with Roc≤6000μm, Diameter≤1000μm, Conic≥-6
At present, more than 2 million pieces of silicon lens chip products have been shipped. Suna Optoelectronics can also provide a variety of public version lenses to all downstream customers. In addition, more than 50 types of lenses have been customized development and targeted sales based on the unique requirements of customers. . More than 90% of domestic optical module companies have successfully imported Suna's silicon lens products, which have been successfully applied to downstream customers in the development and mass production of various series of 40G/100G/200G/400G/800G module products.
Silicon substrate products
Suna Optoelectronics' silicon substrate products are oriented to optical devices, optical modules and silicon-optical integration applications, and customize the development of various series of integrated micro-holes, through-holes, thin-film resistors, complex metal patterns, micro-chambers, and silicon substrate products with alignment structures. The entire series of silicon substrate products have been shipped in batches of more than 1.5 million pieces.
In terms of active chips, Suna Optoelectronics’ 20G/25G InGaAs high-speed detector chips have been sold in batches, including a 30μm photosensitive surface, a 20G bandwidth reduction, and a national-produced core high-speed detector single and array chips, which are benchmarked against mainstream foreign chips. The company's high-speed detectors and array chips with a photosensitive surface of 20μm and a bandwidth of 25G. According to Xunshi, the products of this series have passed the reliability verification of domestic mainstream optical module manufacturers, and the monthly shipment volume is about 300,000.
For optical communication laser backlight detection, optical power meter, instrumentation, laser aging equipment and other applications. Suna Optoelectronics has launched a full series of large photosensitive surface InGaAs detector chips, mainly including indium gallium arsenide detectors with photosensitive surfaces of 200μm, 250μm, 300μm, 500μm, 1000μm, 2000μm, 3000μm, 3×4mm, 3×8mm, 5000μm Chips, and become an important domestic supplier in this field, stable production and sales of 5 million such chips every year, the whole wafer shipment yield rate stabilized at more than 95%.
In addition, the methane gas detection chip for optical sensing applications is the only methane detection chip optimized for outdoor low temperature conditions in the world, ensuring continuous and stable application of customers in the -40℃ to 85℃ environment, especially not using TEC at low temperatures. Doing temperature compensation not only saves costs, but also reduces power consumption. After several years of technology accumulation and process optimization, this series of products has become the only domestic supplier of several major domestic methane detection and sensor customers.