CVD graphene transfer service

Size : 4~6 inch wafer with custom designs

CVD graphene transfer service

Size : 4~6 inch wafer with custom designs

Mechanism of graphene
transfer in vacuum


a. Graphene is contaminated
with all sorts of adsorbents

b. Adsorbents removal in
high-temperature vacuum conditions


Voluntary
transferring


c. Graphene transfer with
minimal physical defects

Mechanism of graphene transfer in vacuum


a. Graphene is contaminated
with all sorts of adsorbents



b. Adsorbents removal in
high-temperature vacuum conditions

Voluntary
transferring


c. Graphene transfer with
minimal physical defects

Information of transfer service


Transfer method
Vacuum transfer
(Patent : Korea/10-1899224, PCT/KR2015/000085)
Substrate size
Under 6 inch wafer
Process condition
Low vacuum ~ 10⁻³Torr
Temperature : 25℃~200℃
Roll pressure : controllable ( 0.5kg ~ )

Information of substrate


Substrate
Customized various substrate
(Need agreements for process development and results)

Reference

  • S.Lee†, S.K.Lee†, et al., “Graphene transfer in vacuum yielding a high quality graphene”, Carbon, 93, 2015, p.286-294.
  • 등록 특허, 10-1899224, 진공 열처리를 이용한 그래핀 전사 방법 및 그래핀 전사 장치
  • 국제 출원, PCT/KR2015/000085, Method for transferring graphene using vacuum annealing and apparatus for transferring graphene

Transfer service of CVD graphene on various substrates

Image information

  • Example : Graphene transfer on SiNx substrate
    • Transferred graphene size 25.0mm x 25.0mm
    • Condition : before PMMA remove


Optical microscopy image
(after PMMA remove)

(Graphene transfer on SiNx substrate)


Raman measurement results

(Graphene transfer on SiNx substrate)

Alpha Graphene Inc.

#403, Business Innovation Center for Advanced Technology, 77, Cheongam-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do, Republic of Korea


TEL  +82-54-727-0822

FAX  +82-54-279-5029

Support@alphagraphene.com


ⓒ 2023 ALPHAGRAPHENE. All Rights Reserved.

Alpha Graphene Inc.

#403, Business Innovation Center for Advanced Technology, 77,

Cheongam-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do, Republic of Korea


TEL  +82-54-727-0822

FAX  +82-54-279-5029

Support@alphagraphene.com


ⓒ 2023 ALPHAGRAPHENE. All Rights Reserved.