ROHM selected as a Constituent of the Dow Jones Sustainability Asia Pacific Index for the First Time

Release time：2025-03-17
author：AMEYA360
source：ROHM
reading：258

　　ROHM has been selected for the first time as a constituent of the Dow Jones Sustainability Asia Pacific Index (DJSI Asia Pacific), one of the Dow Jones Sustainability Indices (DJSI), a leading global ESG (Environment, Social, Governance) investment indices, which is composed of companies in the Asia-Pacific region.

ROHM selected as a Constituent of the Dow Jones Sustainability Asia Pacific Index for the First Time

　　Jointly developed by U.S.-based company S&P Dow Jones Indices and RobecoSAM AG, a Swiss investment advisory firm, the DJSI is an index that evaluates companies worldwide from three perspectives - Governance & Economic, Environmental and Social. It is designed to select those that excel in terms of sustainability. It is one of the most important indicators for investors who are interested in ESG. In FY2024, 161 companies (78 companies of which are Japanese companies and 3 are in the semiconductor sector) were selected for DJSI Asia Pacific from approximately 610 major companies in the Asia-Pacific region.

　　ROHM Group will continue to strive to address social issues through our business activities and meet the expectations of our stakeholders, aiming to realize a sustainable society.


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ROHM and TSMC Launch Strategic Gallium Nitride Technology Collaboration for Automotive Industry
Trade news

ROHM and TSMC Launch Strategic Gallium Nitride Technology Collaboration for Automotive Industry

　　ROHM Co., Ltd. (ROHM) announced today that ROHM and TSMC have entered a strategic partnership on development and volume production of gallium nitride (GaN) power devices for electric vehicle applications.　　The partnership will integrate ROHM's device development technology with TSMC's industry-leading GaN-on-silicon process technology to meet the growing demand for superior high-voltage and high-frequency properties over silicon for power devices.　　GaN power devices are currently used in consumer and industrial applications such as AC adapters and server power supplies. TSMC, a leader in sustainability and green manufacturing, supports GaN technology for its potential environmental benefits in automotive applications, such as on-board chargers and inverters for electric vehicles (EVs).　　The partnership builds on ROHM and TSMC’s history of collaboration in GaN power devices. In 2023, ROHM adopted TSMC’s 650V GaN high-electron mobility transistors (HEMT), whose process is increasingly being used in consumer and industrial devices as part of ROHM's EcoGaN™ series, including the 45W AC adapter (fast charger) "C4 Duo" produced by Innergie, a brand of Delta Electronics, Inc.　　"GaN devices, capable of high-frequency operation, are highly anticipated for their contribution to miniaturization and energy savings, which can help achieve a decarbonized society. Reliable partners are crucial for implementing these innovations in society, and we are pleased to collaborate with TSMC, which possesses world-leading advanced manufacturing technology" said Katsumi Azuma, Member of the Board and Senior Managing Executive Officer at ROHM. “In addition to this partnership, by providing user-friendly GaN solutions that include control ICs to maximize GaN performance, we aim to promote the adoption of GaN in the automotive industry."　　“As we move forward with the next generations of our GaN process technology, TSMC and ROHM are extending our partnership to the development and production of GaN power devices for automotive applications,” said Chien-Hsin Lee, Senior Director of Specialty Technology Business Development at TSMC. “By combining TSMC's expertise in semiconductor manufacturing with ROHM's proficiency in power device design, we strive to push the boundaries of GaN technology and its implementation for EVs.”　　About TSMC　　TSMC pioneered the pure-play foundry business model when it was founded in 1987, and has been the world’s leading dedicated semiconductor foundry ever since. The Company supports a thriving ecosystem of global customers and partners with the industry’s leading process technologies and portfolio of design enablement solutions to unleash innovation for the global semiconductor industry. With global operations spanning Asia, Europe, and North America, TSMC serves as a committed corporate citizen around the world.　　        TSMC deployed 288 distinct process technologies, and manufactured 11,895 products for 528 customers in 2023 by providing broadest range of advanced, specialty and advanced packaging technology services. The Company is headquartered in Hsinchu, Taiwan.　　EcoGaN™ is a trademark or registered trademark of ROHM Co., Ltd.
2025-04-02 15:36 reading：206
Mazda and ROHM Begin Joint Development of Automotive Components Using Next-Generation Semiconductors
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Mazda and ROHM Begin Joint Development of Automotive Components Using Next-Generation Semiconductors

　　Mazda Motor Corporation (hereinafter “Mazda”) and ROHM Co., Ltd. (hereinafter “ROHM”) have commenced joint development of automotive components using gallium nitride (GaN) power semiconductors, which are expected to be the next-generation semiconductors.　　(Left) Ichiro Hirose, Director, Senior Managing Executive Officer and CTO of MAZDA / (Right) Katsumi Azuma, Member of the Board and Senior Managing Executive Officer of ROHM　　Since 2022, Mazda and ROHM have been advancing the joint development of inverters using silicon carbide (SiC) power semiconductors under a collaborative framework for the development and production of electric drive units. Now, they have also embarked on the development of automotive components using GaN power semiconductors, aiming to create innovative automotive components for next-generation electric vehicles.　　GaN is attracting attention as a next-generation material for power semiconductors. Compared to conventional silicon (Si) power semiconductors, GaN can reduce power conversion losses and contribute to the miniaturization of components through high-frequency operation.　　Both companies will collaborate to transform these strengths into a package that considers the entire vehicle, and into solutions that innovate in weight reduction and design. Mazda and ROHM aim to materialize the concept and unveil a demonstration model within FY2025, with practical implementation targeted for FY2027.　　“As the shift towards electrification accelerates in pursuit of carbon neutrality, we are delighted to collaborate with ROHM, which aims to create a sustainable mobility society with its outstanding semiconductor technology and advanced system solution capabilities, in the development and production of automotive components for electric vehicles” said Ichiro Hirose, Director, Senior Managing Executive Officer and CTO of Mazda. “We are excited to work together to create a new value chain that directly connects semiconductor devices and cars. Through collaboration with partners who share our vision, Mazda will continue to deliver products filled with the 'joy of driving' that allows customers to truly enjoy driving, even in electric vehicles.”　　“We are very pleased to collaborate with Mazda, which pursues the 'joy of driving,' in the development of automotive components for electric vehicles” said Katsumi Azuma, Member of the board and Senior Managing Executive Officer of ROHM. “ROHM's EcoGaN™, capable of high-frequency operation, and the control IC that maximizes its performance are key to miniaturization and energy-saving. To implement this in society, collaboration with a wide range of companies is essential, and we have established various partnerships for the development and mass production of GaN. By collaborating with Mazda, which aims to create 'cars that coexist sustainably with the earth and society,' we will understand the requirements for GaN from the perspective of application and final product development, contributing to the spread of GaN power semiconductors and the creation of a sustainable mobility society.”　　EcoGaN™ is a trademark or registered trademark of ROHM Co., Ltd.
2025-03-31 15:46 reading：200
ROHM Develops a New Compact Thermal Printhead for A4-Sized Mobile Printers
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ROHM Develops a New Compact Thermal Printhead for A4-Sized Mobile Printers

　　ROHM has developed a new thermal printhead - KA2008-B07N70A - compatible with a 2-cell Li-ion battery (7.2V). Designed to deliver high print quality with low power consumption and optimized for A4 size printers (210mm width). Height has been reduced by approximately 16% from the conventional 14mm to a best-in-class* 11.67mm – contributing to a more compact printer design. Moreover, optimizing the heating element structure while improving the driver IC and wiring layout enables the support for 7.2V operation – reducing the applied energy required for printing by approximately 66% compared to conventional 12V drive (at 50 mm/s print speed). Adjustments to the individual wiring of the resistive elements ensure uniform heat generation, stabilizing print quality and enabling sharp and high-resolution 203dpi printing – even at speeds up to 100 mm/s.　　In recent years, the thermal printer market has been expanding in response to increasing demand to print qualified invoices and customs labels fueled by the growth of overseas e-commerce, as well as prescriptions and drug information sheets in hospitals and pharmacies. The demand for mobile printers has surged, particularly in the logistics and business sectors, where portability and ease of maintenance are highly valued. Among these trends, the adoption of A4-sized thermal printers has been growing in Asian markets, particularly in China – driving the need for 8-inch thermal printheads.　　A4-sized mobile printers face challenges such as high power consumption due to their wider print width, requiring larger battery capacities compared to smaller printers such as receipt printers. Moreover, the need for multiple driver ICs to control the heating elements in A4-sized printers often results in variations in heat generation due to the differences in wiring lengths between elements, which affect print quality, such as color development and uniformity.　　The KA2008-B07N70A addresses these challenges through an optimized design that enhances mechanical strength and durability by mitigating the effects of expansion and contraction caused by temperature changes. This meets the stringent durability requirements of A4-sized printers (the primary target market) while supporting both thermal and transfer printing methods – offering versatile printing for a wide range of applications.　　While thermal printheads are typically used in combination with connectors and a heat sink, the KA2008-B07N70A can also be supplied as a standalone board, providing greater design flexibility for printer manufacturers. For inquiries regarding the product as part of a set, please contact AMEYA360 or visit the contact page on ROHM’s website.　　Going forward, ROHM plans to develop a 300dpi resolution thermal printhead for mobile A4-sized printers by spring 2025. The company also intends to expand its considerable lineup with products that deliver high-speed printing with superior efficiency.　　Key Specifications　　For more information on printheads for mobile printers, please refer to the following URL on ROHM’s website: https://www.rohm.com/products/printheads/mobile-printers　　Sales Information        Pricing: $14.50/unit (excluding tax)　　Availability: Now (OEM quantities)　　Application Examples        • A4-sized mobile printers　　• Industrial control label printers　　• Tattoo stencil printers, etc.　　Terminology        dpi (dots per inch)　　A unit of print resolution and density, indicating the number of dots that can be placed within a one-inch length (2.54 cm).　　Thermal Printing Method　　A printing technique in which heat is directly applied to thermal paper, causing a reaction that produces color. Primarily used for receipts and labels, this method eliminates the need for ink or toner, ensuring easy maintenance and operation.　　Thermal Transfer Printing Method　　A printing method in which heat melts ink coated on a ribbon, transferring it onto paper. Ideal for high-precision printing, it is commonly used for documents and labels requiring long-term preservation.
2025-03-31 15:36 reading：209
ROHM Apollo Yukuhashi Plant received the Japan Greenery Research and Development Center Chairperson's Award at National Award for Greenery Factory
Trade news

ROHM Apollo Yukuhashi Plant received the Japan Greenery Research and Development Center Chairperson's Award at National Award for Greenery Factory

　　ROHM Apollo Co., Ltd. (Headquarters: Fukuoka Prefecture, hereafter ROHM Apollo) Yukuhashi Plant received “the Japan Greenery Research and Development Center Chairperson's Award“ in the 2024 Factory Greening Award Program (commonly called the National Green Factory Award) sponsored by the Ministry of Economy, Trade and Industry, and at the award ceremony held on January 22, Yukuhashi Plant was awarded the certificate of commendation.　　Toshiyuki Hashimoto, General Manager, LSI Engineering Department, ROHM Apollo Yukuhashi Plant(left)　　Masatoshi Kaku, Chairperson, Japan Greenery Research and Development Center(right)　　The Awards Program has been organized annually since 1982, sponsored by the Ministry of Economy, Trade and Industry and operated by the Japan Greenery Research and Development Center, with the aim of further promoting factory greening. The Awards program recognizes factories, organizations, and individuals for their outstanding achievements in promoting factory greening and improving the environment inside and outside their factories.　　Yukuhashi Plant has been focusing on the creation of a “greenery factory” that takes the ecosystem into consideration and was recognized for the maintenance of cherry blossom trees along the road on the plant premises and the completion of a vast green space and a multipurpose ground on the site in 2023. This is the first time that a plant which is based on Yukuhashi City has received this award.　　In ROHM Group, The ROHM Head Office and Plant received the “Japan Greenery Research and Development Center Chairperson's Award” in 2021 and “Kinki Bureau of Economy, Trade and Industry Director General's Award” in 2022.　　ROHM Group formulated “Environmental Vision 2050” in April 2021. Based on its three themes - “Climate change," "Resource recycling," and "Coexistence with nature", we aim to achieve Net Zero greenhouse gas emissions by 2050 and conduct business activities in harmony with the natural cycle to protect biodiversity. Based on our company mission of "contribute to the advancement and progress of culture" and our Environmental Vision, we will continue to work to conserve the environment and biodiversity toward the realization of a sustainable society while promoting sound cooperation with society by contributing to the local environment and appropriately disclosing environmental information.
2025-03-24 11:32 reading：236
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