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Selective adhesion transfer printing method based on laser surface treatment

A laser surface treatment and selective technology, which is applied in the field of manufacturing and processing, can solve the problems of lack of selective transfer printing mechanism and complicated process, and achieve the effect of easy implementation, simple process and favorable promotion and application

Active Publication Date: 2021-01-22
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, the existing methods to form a specific microstructure pattern on the donor substrate are complex and lack a controllable selective transfer mechanism during the transfer process.

Method used

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  • Selective adhesion transfer printing method based on laser surface treatment
  • Selective adhesion transfer printing method based on laser surface treatment
  • Selective adhesion transfer printing method based on laser surface treatment

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0028] see figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 , the selective viscosity transfer printing method based on laser surface treatment provided by the present invention, the method mainly includes the following steps:

[0029] Step 1: Carry out patterned laser cutting on the transferred film set on the donor substrate, so as to physically separate the transferred film into...

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Abstract

The invention belongs to the technical field related to manufacturing and processing, and discloses a selective adhesion transfer printing method based on laser surface treatment. The method comprisesthe following steps of (1) performing patterned laser cutting on a transferred film on a donor substrate to physically separate the transferred film into a patterned transferred unit and a residual part, meanwhile, carrying out surface ablation on the residual part by adopting laser so as to form the viscosity difference of the surfaces of the transferred unit and the residual part; (2) carryingout transfer printing on the transferred film by adopting a stamp subjected to viscosity adjustment, so that the transferred unit is selectively adhered to the surface of the stamp and the residual part is left on the donor substrate; and (3) printing the transferred unit on a soluble viscous substrate by adopting the stamp, so that the transferred unit is transferred to the soluble viscous substrate from the stamp. The selective adhesion transfer printing method is efficient, simple and convenient and can realize large-scale automatic operation.

Description

technical field [0001] The invention belongs to the technical field related to manufacturing and processing, and more specifically relates to a selective adhesion transfer printing method based on laser surface treatment. Background technique [0002] Transfer printing is a set of techniques for the definitive assembly of micro- and nanomaterials into spatially organized functional arrangements, with two- and three-dimensional layouts. These processes not only provide versatile avenues for test structures for scientific research, but also provide important avenues for high-performance, heterogeneously integrated functional systems, including flexible electronics, three-dimensional and / or curvilinear optoelectronics, and biointegrated sensing and therapeutic devices. [0003] However, the existing methods for forming a specific microstructure pattern on the donor substrate are complex and lack a controllable selective transfer mechanism during the transfer process. For this ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/352B23K26/38B23K26/60B23K26/70
CPCB23K26/38B23K26/352B23K26/60B23K26/702
Inventor 吴志刚柯星星张硕柴治平江佳俊
Owner HUAZHONG UNIV OF SCI & TECH
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