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Showa Denko Speeds Up Search Time for Semiconductor Formulation

To reduce the time required for the exploration, they focused on Fujitsu Ltd's Digital Annealer, the first quantum-inspired digital technology.

Showa Denko K.K. has demonstrated that it is possible to dramatically speed up the time required to search for optimal formulations of semiconductor materials, from several decades to several tens of seconds, using quantum computing technology.

Showa Denko Search SemiconductorSemiconductor materials contain a large number of ingredients such as resins, fillers and additives in various mixing ratios; by optimizing these formulations high-performance materials are obtained.

However, the theoretical number of combinations for the development theme that they are working on is enormous, exceeding 10 to the 50th power.

Thus, it would take decades to explore all possible combinations of these ingredients and their mixing ratios with conventional artificial intelligence (AI) models, and for this reason, only a portion of the theoretical combinations had been extracted to search for the optimal combination of formulations.

To reduce the time required for the exploration, they focused on Fujitsu Ltd’s Digital Annealer, the first quantum-inspired digital technology.

To utilize Digital Annealer, input in the form of an Ising model, and analysis method of statistical mechanics, is required. We were successful in expressing an originally developed AI model, capable of predicting the characteristics of semiconductor materials from the complex compounding conditions of materials, in the Ising model.

By simulating the Ising model on Digital Annealer, we have reduced the required exploration time to tens of seconds, or about 1/72,000 of the time required by conventional AI models, which search by conditions limiting the type and amount of compounding.

In addition, they were able to obtain a formula that achieves 30% higher performance as a semiconductor material.

In their “Long-term Vision for Newly Integrated Company,” the Showa Denko Group announced that it would commit itself to the research and development of AI and computational science, the core of its fundamental R&D activities.

The results of this development are an example of the achievements of R&D activities based on the application of “Chemistry to Think” on “Chemistry to Formulate,” both of which the Group has defined as basic frameworks for technological development.

The Group will apply this development to various materials, accelerate its development activities, and provide customers with solutions for problems, thereby contributing to a sustainable society.


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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