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Multiple transferred CVD graphene

Size : Wafer products with multilayer graphene transferred up to 6-inch wafer

Multiple transferred CVD graphene

Size : Wafer products with multilayer graphene transferred up to 6-inch wafer

Multiple transfer process in vacuum to make multi-layer graphene


Graphene is transferred by repeating the vacuum transfer process on top of the already transferred graphene.

Through repeated processes, it is possible to produce large-area multilayer graphene with the desired number of layers.

 Multiple transfer process in vacuum to make multi-layer graphene



Graphene is transferred by repeating the vacuum transfer process on top of the already transferred graphene.

Through repeated processes, it is possible to produce large-area multilayer graphene with the desired number of layers.

Information of Multiple transferred CVD graphene


Transfer method
Vacuum transfer
(Patent : Korea/10-1899224, PCT/KR2015/000085)
Roll-to-plate based vacuum transfer equipment 
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 substrate (with various 2D materials)
(Need agreements for process development and results)

No. of layer 
Customer requests (over 2 layers)

Comparison of properties of multilayer CVD Graphene produced through multiple transfer processes

Wafer products with multilayer graphene transferred (4-inch, 6-inch)
Wafer products with multilayer graphene transferred (4-inch, 6-inch)
CVD graphene : 1 layer
CVD graphene : 2 layers
CVD graphene : 3 layers

Wafer products with multilayer graphene transferred (4-inch, 6-inch)

Applications requiring both the unique properties and mechanical strength of graphene (e.g., RF antenna, EUV pellicle, NEMS, etc.)


Extreme Ultraviolet (EUV) pellicle


Nanomechanical Systems (NEMS)


Chip antenna for space communication

It is possible to design new three-dimensional materials using newly applied two-dimensional materials.


Multi layer graphene


Multiple stacked various 2D materials


Structure of various 2D materials ( cf. S. Pinilla, et. Al., Nature Reviews Materials, 7, 717-735 (2022) )

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, 37673


TEL  +82-54-727-0822

FAX  +82-54-279-5029

Support@alphagraphene.com


ⓒ 2023 ALPHAGRAPHENE. All Rights Reserved.