Fujikura Ltd.

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Fujikura Group CSR

Research & Development

Messages from R&D managers

We will devote R&D resources to the four areas of "core", "core", "optical", "wireless", "electronic components" and "electric wire / cable." We will further strengthen elemental technologies to maintain the top level in the world and to secure the technological superiority of "connecting" technology. We aim to expand technologies to the periphery of these core technology infrastructures and develop new products that anticipate changes in society and customer needs in the five business areas of information communication, electronics, energy, automotive electronics, and medical and industrial equipment We will create new businesses and accelerate the metabolism of the Fujikura Group.

Through the establishment of a global research system, we are also proactively pursuing open innovation to introduce R&D themes with a view to the world's technology trends in a timely manner, and to maximize the use of external technologies.

In these R&D activities, we will take a broad overview of the markets and technologies that we are aiming for, while one research center, two centers (material technology, automobile technology) are engaged in company-wide research and development, and the development department of the business division develops by department. We will continue our activities.

Akira Wada, Executive Vice President & Member of the Board

Akira Wada
Executive Vice President & Member of the Board

R&D policy

2020 in the medium-term management plan, we aim to become a company that will be a future with promising as a customer value creation type company "high profitability" and "strong metabolism" as both wheels. The R&D department, which is the source of this metabolism, is promoting activities based on the following policy.

  • Ensure superiority by strengthening core technology infrastructure that supports "connecting" technology.
  • Accelerate metabolism by creating new business by anticipating changes in society and customer needs in five business domains (information communication, energy, electronics, automotive electronics, medical and industrial equipment).
  • Utilize global human resources and build a global research organization.

Technology platforms that make up "Tsunagu" technology

Technology platforms that make up "Tsunagu" technology

Research and development system

The corporate R&D department is responsible for company-wide research and development, and the development department of each business division is in charge of departmental development, and we are promoting R&D activities in cooperation with each field. We will also actively promote open innovation.

Organization Each Division
Corporate R&D Advanced Technology Research Institute, Material Application Technology / Analysis Center, Automotive Electronics R&D Center, Fujikura Technology Europe
Company R&D Energy · Information & Communication, Electronics, Automotive Electronics Company Development Department

Institute introduction

Message from the Director of the Institute

The Fujikura Group conducts research and development of new technologies and products in four areas including the core technology infrastructure that supports "connecting" technology: (1) light, (2) electronic components, (3) wires and cables, and (4) radio. In addition to strengthening and deepening of each elemental technology of the technical foundation, we are doing activities aiming at cross innovation by extending the base of the technical foundation to the surrounding area and fusion of core technologies. We will produce results of R&D in the business domain of information communication, energy, electronics, automotive electronics, medical, industrial equipment, etc. by sending out new products to anticipate customer and social needs.

In addition, the Fujikura Group is also working to utilize global human resources and to promote development that contributes to the business while trying to collaborate with overseas bases of the group. We will accelerate our metabolism towards the development of new products and the creation of new businesses that anticipate changes in society and customer needs.

Daiichiro Tanaka
Executive Officer, Advanced Technology Research Institute

Advanced Technology Research Institute

We are engaged in comprehensive research and development including the development of materials that form the foundation of the Fujikura group, as well as the four technical fields of information communication, energy, electronics, and automobiles, as well as the intermediate convergence areas. We are continuing our activities to research new technologies for the next generation and to realize attractive products required from customers all over the world.

Advanced Technology Research Institute

Advanced Technology Research Institute

Material application technology · Analysis center

We are conducting R&D on materials supporting the "present and the future" for various business fields such as energy, information communication, electronics, and automotive electronics oriented by the Fujikura Group. Here we are gathering extensive expertise and abundant experience from diverse technicians such as metals, chemistry, physics and analysis, and we continue to challenge to pursue all possibilities regarding materials.

Material application technology · Analysis center

Material application technology · Analysis center

Automotive electronics R&D center

We will develop technologies related to wire harnesses and various in-vehicle evaluations to proactively promote product development that responds to customers' new needs. We will also provide technical support for bases around the world as a technology development base for the global automotive electronics business.

Fujikura Technology Europe GmbH

Located in Germany, one of Europe's technologically advanced countries, as a new development base in Europe for corporate R&D, we conduct market research and technology trend survey in line with our development strategy, create Japanese research and development activities and new business Support.

Major research areas

Information and communication fields

We are promoting the development of optical fiber and optical communication technology with the Japan-Europe cooperation for the next generation information and communication society that is going to increase in high speed and capacity. In addition, we are challenging application technologies such as fiber lasers using optical technology. In the field of high-speed wireless communication, which is expected to rapidly spread in the future, we are also developing passive devices in the millimeter wave band and related technologies that can transmit ultra high-speed data.

Energy field

We are engaged in developing advanced technologies that contribute to environmentally friendly energy society such as high temperature superconducting wire which is expected as lossless energy transmission, battery technology for supplying energy more efficiently, and material technology supporting it I will.

Electronics field

We are developing a wide range of electronic component technologies, ranging from mobile terminals that are indispensable to information society, electronic devices mounted on wearable devices, substrate technologies and sensor technologies for them, and thermal solution technology.

Automotive electronics field

Toward the next-generation car society where electric and automated driving is advancing, we aim for safe and environmentally friendly cars such as information communication technology inside and around the company, technology to sense the surrounding environment, and technology to reduce environmental impact. We are promoting R&D on advanced technologies.

Medical / industrial equipment field

For minimally invasive medical treatment that reduces the burden on the body and incorporates components that concentrate functions in minute areas of state-of-the-art medical equipment and small medical devices such as endoscopes that make full use of optical technology and 3D mounting technology Multiple layers. We are promoting the development of substrates and others. In the industrial field, we are working on high power and high quality fiber lasers, which is the culmination of optical technology as next-generation industrial equipment.

R&D product introduction

Rare-earth type high-temperature superconducting wire

We are developing rare-earth high-temperature superconducting wires and coils for commercialization. Rare-earth high-temperature superconducting wires are called second-generation high-temperature superconducting wires, and are expected to be applied to various industrial devices including medical fields. In the period from 2016 to 2018, we developed a "high temperature current superconducting technology development promotion technology development" commissioned by the New Energy and Industrial Technology Development Organization (NEDO). We have succeeded in mass-producing the same wire in FY 2018, by developing high-performance superconducting wire that realized this material.

We will continue to contribute to the realization of a decarbonated society by providing superconducting wires excellent in quality and reliability.

Rare-earth type high-temperature superconducting wire

60 GHz band millimeter wave RF module with high gain phased array

We are developing embedded wireless communication modules that realize high speed and long distance transmission in the 60 GHz band. This module features a beamforming function using a phased array (a technique of concentrating and emitting radio waves in a specific direction), which enables directional control of high gain and sharp antenna beams in a wide range.

This millimeter wave RF module is configured to drive a high gain phased array antenna with high gain of 16 transmit and receive antennas each designed and mounted on a multilayer liquid crystal polymer (LCP) substrate having flexibility and low loss, We have demonstrated that it is possible to point a sharp antenna beam of about 7.5 ° wide at any angle of ± 45 °.

60 GHz band millimeter wave RF module with high gain phased array

Ultra low power multihop wireless sensor system

In the field of IoT, various sensing systems are introduced. However, in the conventional sensor system, a one-to-N star type radio was installed, and the size of the coverage area was also limited. This system is equipped with a dye-sensitized solar cell that exhibits excellent power generation performance even in a low-light environment as an energy harvesting device on the autonomous power supply for sensor equipment, and the radio section has "multi-hop function with high precision synchronization" , Achieving multistage relay with extremely low power consumption simultaneously achieves dramatic expansion of the coverage area of ​​one parent machine and improvement of redundancy by securing a detour route of communication data. It is low for various applications such as infrastructure monitoring applications such as bridges that have been difficult to apply so far, disaster prevention applications such as legal monitoring of mountainous areas, and ZEB that can be achieved by closely monitoring and controlling indoor temperature / humidity / illuminance. We provide innovative sensing system of construction cost and maintenance cost.

920 MHz band multihop wireless system

920 MHz band multihop wireless system

USB 3.1 compatible high-speed transmission multilayer FPC

The information communication speed inside mobile devices typified by smartphones etc. is steadily accelerating. The maximum data transfer rate which was 480 Mbps in the conventional USB 2.0 standard is 10 times faster than the next generation standard USB 3.1 Gen 2 to 10 Gbps. In order to comply with this next-generation standard, high-speed transmission multilayer FPC which realizes impedance control more than before by high-precision circuit forming technology and adopts low ε · low tan δ low loss material for the interlayer adhesive constituting the multilayer board has been developed. As a result, insertion loss is reduced, and characteristics satisfying the USB 3.1 standard are obtained.

USB 3.1 compatible high-speed transmission multilayer FPC

Ultra thin 0.3 mm thick heat pipe

In compact mobile devices such as smartphones, heat countermeasures are becoming more important with high performance, but heat pipes excellent in heat dissipation measures are adopted there.

Especially with smartphones, demand for further thinning is increasing year by year, and space saving is required in units of 0.1 mm. We developed an ultra-thin 0.3 mm thick heat pipe that can be mass produced. Thanks to the newly developed internal structure, we are achieving thinner design while maintaining high thermal performance.

Ultra thin 0.3 mm thick heat pipe

Major awards

Received Laser Society "Performance Award (Progress Award)"

Advanced Technology Research Group researcher group received "Performance Award (Progress Award)" from Laser Society of Japan. This award is awarded to those who showed remarkable results on research on laser and product development from among journal submitted journal articles and conference presentations by laser society. In the development of fiber lasers, this award was aimed at enhancing fiber laser high power based on industrial applications, such as making all optical components in the laser system, and as a direct laser diode excitation single mode fiber laser. It is a remarkable achievement in domestically produced laser technology, demonstrating that it realized the world's highest output 3 kW, and that it is a system excellent in reflected light resistance even in laser processing of metallic materials where high reflection occurs. It was awarded from what I did.

Received Laser Society "Performance Award (Progress Award)"

Received "Performance Award (Industrial Technology Performance)" from Cryogenic Engineering and Superconductivity Association

We received the "Heisei 29 fiscal year performance award (industrial technology achievement)" from the low-temperature engineering and superconductivity academy founded by the public interest corporation. This award is awarded to representatives of organizations that have made remarkable achievements in the progress and development of industrial technology related to low temperature engineering and superconducting engineering in the past decade.

Received "Performance Award (Industrial Technology Performance)" from Cryogenic Engineering and Superconductivity Association

Selected as a milestone of the Institute of Electronics, Information and Communication Engineers

To celebrate the 100th anniversary of the foundation of the Institute of Electronics, Information and Communication Engineers, from the research and development discussed at the Society for the past 100 years, we have conducted research that has greatly influenced our society, the lives, industries, science and technology development We selected the achievement of development as a milestone and honored it. From our company, as a feat of optical fiber basic technology from optical fiber division, Yuji Oyamauchi "low loss fiber in long wavelength region with GeO 2 doped quartz and low OH", as a feat of optical fiber cabling technology Masamichi Yoshimura, Hisashi Takada , Tanaka Shigenobu "Selection of communication cable from SZ" was selected.

Selected as a milestone of the Institute of Electronics, Information and Communication Engineers

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