NAGASE & CO. Group's Inkron Invests in Augmented Reality Component Development Infrastructure

ESPOO,Finland and TOKYO,Sept. 9,2020 -- Inkron,a NAGASE & CO. Group company and the global leader of siloxane-based,optically clear Nano-Imprint Lithography (NIL) materials,makes a strategic investment in NIL material and component development infrastructure. The investment will significantly accelerate Inkron's development of high-performance optical materials needed in critical components of augmented reality (AR) glasses,3D sensors and other diffractive optical elements (DOEs). Inkron's ability to provide its customers with customized optical NIL materials with fast turnaround time and enhanced performance shall be significantly improved with this investment. Now Inkron can also provide component prototyping and small series manufacturing services for its customers.

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Figure 1. Nanoimprinted diffractive structures imprinted with EVG tool on SCHOTT substrate using Inkron's high refractive index IOC-resins

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Figure 2. EVG 7200 SmartNIL (R) UV-Nano-Imprint Lithography System

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The cornerstone of the investment is the purchase and installation of an EVG (R) 7200 automated UV NIL system from EV Group (EVG). The EVG 7200 system leverages EVG's innovative SmartNIL (R) technology and material expertise to enable mass manufacturing of micro- and nanoscale structures with unmatched quality. The system provides low-force and conformal imprinting,fast high-power exposure and smooth stamp detachment with unmatched throughput and low cost of ownership. The EVG 7200 system with SmartNIL technology is ideally suited for volume production of next-generation photonic devices including wave guides and DOEs,for applications such as AR and virtual reality (VR). In addition to these features,the tool that has been shipped to Inkron includes a high-intensity UV station,heated chuck and support for soft-UV-NIL for microlens-molding applications.

Inkron offers NIL-processable materials in a broad index of refraction (RI) range even up 2.0. The NIL materials are complemented with overcoat,gap fill and planarizing coatings with RI as low as 1.1. The combination of these material platforms and the EVG 7200 system provide ideal infrastructure for novel optical component development with accelerated turnaround time while enabling careful optimization of the resins and the process for specific devices. In addition to the NIL equipment,Inkron has made and continues to make significant investments in optical structure-manufacturing and testing equipment,including device performance and reliability testing. A dedicated team has been established to support the Inkron NIL ecosystem with material scientists,lithography process engineers and photonics experts,headed by VP Dr. Janne Kylma. The commercial side of the NIL activities are directed by Inkron's VP for Operations,Jukka Perento.

"Through our NILPhotonics Competence Center,EV Group partners with companies like Inkron from across the photonics supply chain to leverage our NIL technology and expertise to accelerate the development of new devices and applications," stated Markus Wimplinger,corporate technology development & IP director at EV Group. "Working with Inkron gives us the opportunity to support their efforts in developing advanced optical resists that are critical to manufacturing next-generation optical devices."

"We are excited to accelerate the development of our new,optimized and innovative optical resin technologies. The new EVG 7200 system plays a vital role in this strategic move. These new capabilities will help us to address the critical performance roadmaps of our customers and will help them to succeed," stated Jukka Perento. "Our nano-imprintable high refractive index materials and matching gap-filling coatings,combined with EVG's NIL system,provide the critical wafer-level solutions that optics manufacturers need in order to quickly scale up the production of their latest developments."

Inkron:

http://inkron.com/

EV Group:

https://www.evgroup.com/company/about-evg/