Copper sulfate plating additive optimal for semiconductor package substrate implementation.
Topluchina FRV, a copper sulfate plating additive that achieves both high filling capability and in-plane uniformity, is optimal for the implementation of semiconductor package substrates.
In the implementation of semiconductor package substrates, attention is being drawn to Fan-Out Wafer Level Packaging (FOWLP) technology. In the case of FOWLP, wiring (redistribution layer) is formed in the internal area of the semiconductor package substrate. In traditional bump connections, it was necessary to electrically connect the semiconductor chip and the terminals of the package substrate. Additionally, in wire bonding using fine wires of gold or aluminum, there was a problem where increasing the number of terminals made it difficult to achieve reliable electrical connections. Therefore, the practical application of fan-out packaging technology, which allows multiple chips to be mounted side by side (multi-chip) without limitations based on chip size, is rapidly advancing. Our company has newly developed a copper sulfate plating solution that enables high filling and in-plane uniformity for the formation of redistribution layers on semiconductor wafers.
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basic information
We are developing various plating and surface treatment chemicals and high-performance products for automobiles, electric vehicles, home appliances, and various electronics, so please feel free to contact us.
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Applications/Examples of results
Semiconductor wafer
Company information
Our company is a research and development-oriented enterprise that supports global manufacturing through science in the fields of surface treatment, inorganic materials, and food. 【Surface Treatment Division】 - We launched a new brand of surface treatment chemicals for semiconductor back-end processes called "TORYZA," offering various plating chemicals and equipment such as copper plating additives for ultra-fine wiring and electroless plating processes for UBM formation. - We propose surface treatment chemicals for plastic plating that provide high added value, such as beautiful metallic appearance, luxury feel, and antibacterial and antiviral properties. - We offer process chemicals for anodizing and dyeing aluminum alloys that beautifully enhance the appearance of casings for smartphones and other devices. We also have environmentally friendly processes and surface treatment chemicals for antibacterial and antiviral applications in our lineup. - We provide electroless nickel plating chemicals and various environmentally friendly products, including low-temperature and long-life types, that impart new functions to materials, such as corrosion resistance, wear resistance, and lubricity. 【Inorganic Materials Division】 Total production from design, processing, to mass production of glass. Contributing to the enhancement of design and functionality with high-quality glass materials. 【Food Division】 Bringing "deliciousness" and "safety" to the dining table. Challenging the development of high-function products composed of food ingredients.
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