Fujikura Ltd.

  1. Home
  2. ESG
  3. Back Numbers
  4. 2017
  5. Corporate Profile

ESG

Fujikura Group CSR

Corporate Profile

Research and Development

Message from the Top of Research and Development Division

Kenji Nishide Executive Officer, Advanced Technology Laboratory

Kenji Nishide
Executive Officer
Advanced Technology Laboratory

We are researching and developing new techniques and products to support our core technical basis for our “tsunagu” or "connecting" technologies in the three fields of: 1. wireless/optics, 2. electronic parts, and 3. electric cables. By deepening and expanding upon each component technology of our technological foundation, we aim to achieve results like expansion into peripheral sectors of our technological foundation and cross-innovation through fusions of core technologies. Our research and development continually bear fruit in the form of our new products that anticipate public and customer needs in the areas of telecommunications, energy, electronics, automobile electronics, health, and industrial equipment.

Furthermore, we are also focused on promoting development that contributes to business through coordination with overseas group facilities, while also emphasizing global hiring. We will continue to heighten our vitality, and work to anticipate societal changes and customer needs as we develop new products and launch new businesses.

Introduction of a Laboratory

In addition to development of the materials that form the foundation of our company, we are also engaged in comprehensive R&D that includes the four technological domains of information and communication, energy, electronics, automobiles in addition to technology that exists in the fusional areas between them. We will continue to take action in researching new technologies for the coming generations and realizing captivating products demanded by customers across the globe.

Advanced Technology Laboratory

Fujikura Automotive Europe

Fujikura Automotive Europe

Also, we are proactively engaged in the development of new electrical components through the application of the Group’s core technologies while we continue activities closely tied to our European customers active in the adoption of new technologies, positioning ourselves in Germany as our development base for the European automotive electronics industry.

Major Research Fields

New Products and Technologies

Low drive voltage silicon optical modulator

Silicon photonics, which integrate various optical components at high density on a silicon substrate, attracts attention as a technology to make miniaturization and high performance of optical communication parts and to further lower the cost. By applying this technology, we are developing optical modulators that convert electrical signals into optical signals. The optical modulation chip to be fabricated on a silicon wafer is formed by a unique structure of a light modulation part that can change the intensity and phase of light traveling in parallel according to an electric signal.
This silicon optical modulator realizes a low drive voltage that is comparable to the current mainstream lithium niobate (LN) optical modulator, further downsizing the length of the optical modulation section to 3 mm and 1/10 or less It is. Based on the optical modulator developed this time, we will promote the integration of optical components and aim at practical application in a wide range of applications such as core optical communication networks, data centers and automobiles.

High-speed wireless communication is expected to spread rapidly in the future. We are developing passive devices and related technologies suitable for millimeter wave band (60 GHz band, E band: 71 to 86 GHz) used for high speed wireless communication. Millimeter-wave antennas are required to be able to control high gain and radiation direction (beam forming), and we have developed array antennas using multi-layer liquid crystal polymer (LCP) substrates for their applications. By using LCP board with flexibility and low loss property, we realized antenna with low loss and high gain, and beamforming is possible with original feeding circuit. This antenna can be used for communication infrastructure such as back / front hole and last mile.

-Array Antenna for Millimeter Wave

500 W CW (continuous wave) air cooled single mode fiber laser

In recent years, microfabrication needs are rapidly increasing in secondary batteries, fuel cells, etc. for smartphones and automobiles to be converted to electronics. For these applications, we have commercialized the first 500W CW (continuous wave) air-cooled single mode fiber laser in Japan. By extending proprietary technologies cultivated in high power fiber laser development to air-cooled fiber lasers, this product also improves the maximum output to 300 W from the previous 300 W while also greatly enhancing the anti-reflection performance I will. This enables direct irradiation of metals with high reflectivity such as aluminum alloys and realizes high penetration depth welding and fine cutting process at high speed due to high convergence of single mode fiber laser.

Thin dye dye solar cell (DSC) for energy harvesting

In the world where IoT advances, it is expected that many sensing systems will be used in various places in the future. As a way to drive these many sensor devices, environmentally friendly energy harvesting (environmental power generation) is expected that does not require waste of power supply work and battery replacement, no waste, and so on. We have further reduced the size and thickness of DSC, which demonstrates excellent power generation characteristics even under low-light environment where direct sunlight can not be obtained as this energy harvesting device, in line with miniaturization of sensor equipment. As a result, we have developed a 2.5 mm thick DSC module for energy harvesting, which has about 1.2 times the power generation effective area and about half the thickness compared with conventional products. DSC will contribute to the development of an environmentally friendly society, such as fully batteryless IoT sensor equipment and ZEB (net, zero, energy, building) realization.

Magnetic freezing

At the 21st Meeting of the Conference of Parties of the Framework Convention on Climate Change (COP 21), consideration for the environment has become increasingly important internationally, such as the adoption of the Paris Agreement including reduction of greenhouse gas emissions. We are working on the development of magnetic refrigeration technology applied to the next-generation refrigerator which is highly efficient and environmentally friendly, replacing the conventional vapor compression type refrigerator using alternative CFC with high global warming potential (GWP). Magnetic refrigeration utilizes a phenomenon (magnetocaloric effect) in which a magnetic working substance (MCM) generates heat and absorbs in accordance with the application / removal of a magnetic field, (1) refrigerant with zero GWP can be used, (2) overwhelmingly high efficiency , There is a big feature. Although MCM was grainy and difficult to wire, MCM succeeded in making wire by using original wire drawing technology, and confirmed that the wire exhibits greater refrigerating capacity than granular in high speed refrigeration cycle did. This result was also noticed at Thermag VII of the International Society of September 2016, and in the future we will continue to develop for the practical application of the world's first magnetic refrigeration air conditioner.

Automotive seating sensor

Seat sensors are used to judge seat conditions for collision safety and driving support of automobiles, but we developed a new seating sensor based on a completely different concept from conventional seating sensors. The new seating sensor is of the type installed on a spring (S spring) disposed under the seat cushioning material of the seat, receives the load of the occupant on the entire seat, and the distributed load is transmitted to the back side of the seat It will be. By developing a structure that efficiently transmits the distributed load to the sensor, it has achieved miniaturization compared with the conventional structure. Also, since the conventional seating sensor installed on the seat surface is affected by the shape of the surface of the seat, it was difficult to share the seating sensor between the vehicle type and the seat grade, but the new seated sensor can be used in common . In addition, due to the installation method on the spring on the back of the seat, the installation workability has also improved considerably compared with the conventional seating sensor.

Prize

The 21st Century Invention Award by Japan Institute of Invention and Innovation is an award that is sent to universities and public research institutions, etc. because of its outstanding progress in science and technology. In addition, "21st Century Invention Contribution Award" will be awarded to representatives of organizations that received "21st Century Invention Award". Mr. Yasunori Sudo who was enrolled in the Metal Materials Development Division (currently the Advanced Technology Research Institute) (currently the Advanced Technology Research Institute) engaged in fundamental research on superconducting materials at the International Superconductivity Industry Research Center of the Public Interest Foundation, "RE-based oxide superconducting wire and its manufacturing method" (Registered Patent No. 5270176) filed jointly with Dr. Masashi (present Seikei University) and others were highly evaluated, and in June 2016 "The 21st Century Invention Award" and " We received the 21st Century Invention Award.

21st Century Invention Awards and 21st Century Invention Contribution Award

Horizon Prize

Horizon Prize is positioned as a challenge award for Horizon 2020 (research and innovation framework plan totaling EUR 80 billion over the seven years from 2014 to 2020 by the EU) and is awarded by the European Commission of the European Union. Using a multicore fiber developed by Fujikura, a one-chip broadband light source developed by Denmark Technical University, and a multicore erbium doped fiber amplifier developed by the University of Southampton, no complex electrical processing is required for transmission lines exceeding 1000 km It was shown that transmission of 1 petabit / s or more is possible. Awards were awarded to the results in November 2016.

*This research was conducted by the Ministry of Internal Affairs and Communications and the European Commission Horizon 2020 (International collaborative research and development) project (International collaborative research and development) "Research and development of scalable and flexible optical communication technology for reconfigurable infrastructure (SAFARI)" It is part of.

PAGE TOP