Crystal IS and Asahi Kasei have achieved 99% usable area on 100 mm bulk aluminum nitride substrate
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ASAHI KAISEI CRP UNSP/ADR (AHKSY)
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asahi-kasei.co.jp/asahi/en/ir
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Source: Business Wire
Following the first reported 100 mm diameter AlN in 2023, the company now announces improved wafer quality based on specification for UVC LEDs NEW YORK & TOKYO & DÜSSELDORF--(BUSINESS WIRE)--Crystal IS, an Asahi Kasei company, today announced the successful serial production of 100 mm diameter single-crystal aluminum nitride (AlN) substrates with 99% usable area, based on current requirements for UVC LEDs, with manufacturing to take place in the United States. The ultra-wide bandgap and high thermal conductivity of AlN help to improve device reliability and performance not only in UVC LEDs but also in next-generation RF and power devices.This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20240612840998/en/Comparison of Crystal IS 100 mm bulk aluminum nitride substrate from CY24 Q1 (left) with 90% usable area and CY24 Q2 (right) with 99.3% usable area. (Graphic: Business Wire)“The improvement of our large diameter substrate qua
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