UPDATED. 2024-02-27 09:17 (화)
TCK to file SiC patent lawsuits against Hana Materials, KNJ 
TCK to file SiC patent lawsuits against Hana Materials, KNJ 
  • Noh Tae Min 기자
  • 승인 2023.04.26 15:50
  • 댓글 0
이 기사를 공유합니다

Battle with DS Techno widens to war
Image: TheElec
Image: TheElec

TCK is expected to widen its patent lawsuit over silicon carbide (SiC) rings to multiple companies.

Park Gwang-jae, an executive vice president at TCK, or Tokai Carbon Korea, told an audience during a local conference held at Yeouido on Wednesday that there were companies that were high likely to be infringing on the patents it held and the company was seeking compensation for this.

Park didn’t refer to the specific patents but it is likely those related to SiC rings, which are used to hold the wafer in place during chip production.

As SiC is more durable than quartz, silicon and other materials, rings made with the material are being highly sought after by chipmakers to make premium chips such as 3D NAND.

While TCK has dominated the South Korean market for SiC rings, it recently concluded a patent lawsuit with DS Techno in March.

The Supreme Court, while it invalidated TCK’s patents related to characteristics, validated patents related to manufacturing methods.

TCK said it uses multiple nozzles to spray the raw material in stack them during its SiC ring production.

The company claims that other companies are using this method of using multiple nozzles, which it alleges infringes on its related patents.

Besides DS Techno, South Korean aftermarket companies Hana Materials and KNJ are also planning to enter the SiC sector.

Park said one aftermarket company is seeking a licensing agreement with TCK for the SiC production method it uses.

Aftermarket companies are companies that supply the rings directly to the chipmakers, while beforemarket companies use fab equipment makers as an intermediary.

Meanwhile, TCK is expecting its second-quarter earnings to be worst than the first quarter.

This will be because of lowered sales from China, the continued high inventory of the chip sector and aftermarket companies entering the SiC sector, Park explained.

The lowered volume of export to China by customers Applied Materials and Lam Research is expected to be especially damaging.


댓글삭제
삭제한 댓글은 다시 복구할 수 없습니다.
그래도 삭제하시겠습니까?
댓글 0
댓글쓰기
계정을 선택하시면 로그인·계정인증을 통해
댓글을 남기실 수 있습니다.

  • 515, Nonhyeon-ro, Gangnam-gu, Seoul, Republic of Korea 4F, Ahsung Bldg.
  • 대표전화 : 82-2-2658-4707
  • 팩스 : 82-2-2659-4707
  • 청소년보호책임자 : Stan LEE
  • 법인명 : The Elec Inc.
  • 제호 : THE ELEC, Korea Electronics Industry Media
  • 등록번호 : 서울, 아05435
  • 등록일 : 2018-10-15
  • 발행일 : 2018-10-15
  • 발행인 : JY HAN
  • 편집인 : JY HAN
  • THE ELEC, Korea Electronics Industry Media Prohibiting unauthorized duplication,publishing,modification and distribution the material on this Site for any purpose.
  • Copyright © 2024 THE ELEC, Korea Electronics Industry Media. All rights reserved. mail to powerusr@thelec.kr
ND소프트