Printing using a structure coated with ultraviolet radiation responsive material

A radiation reaction, ultraviolet technology, applied in the production of special varieties of prints, photosensitive materials for optomechanical equipment, printing, etc., can solve the problem that the modifier is not photosensitive, changes the state, and the coating cannot be excited by ultraviolet radiation. And other issues

Active Publication Date: 2009-12-09
THE HONG KONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to the disclosure of this patent, the modifier adsorbed on its surface is not photosensitive, or is not able to change its state under ultraviolet radiation
U.S. Patent No. 6,884,628 discloses multifunctional coatings for use on polymer surfaces, but its application is limited to sensor devices, and it describes coatings that cannot be excited by ultraviolet radiation

Method used

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  • Printing using a structure coated with ultraviolet radiation responsive material
  • Printing using a structure coated with ultraviolet radiation responsive material
  • Printing using a structure coated with ultraviolet radiation responsive material

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Embodiment Construction

[0017] The present invention relates to the construction of stamp structures with coatings of UV radiation responsive materials and methods of printing with UV radiation reactive materials on stamps and substrate surfaces during printing. The details of the invention are described here with the aid of the accompanying drawings in order to enable a thorough understanding of the constructions described herein, but the invention is not limited thereto. The features, structures, materials, and characteristics of the techniques described above may be combined in any suitable manner in one or more configurations.

[0018] summary

[0019] Ultraviolet radiation or other actinic light exposure is applied to the surface coated with the ultraviolet sensitive material coating. The coating should be able to transform its chemical structure or surface energy in real time to assist the printing process.

[0020] The strategy of the present invention is based on coating the stamp with a ...

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Abstract

The present invention relates to a printing method using a structure coated with ultraviolet radiation responsive material. Wetting and print transfer from a printing patterned transfer surface is enhanced by applying an ultraviolet radiation responsive material to the patterned transfer surface. Ultraviolet activation of the ultraviolet responsive coating is performed during a transfer of printing material to a substrate. The technique increases precision of the printing process and is useful for transfer of printing material to a substrate in order to establish printed circuit components such as circuit traces and printed circuit elements on the substrate. In a particular configuration the ultraviolet radiation responsive material can be made of azobenzene material or free radical initiators.

Description

[0001] Related Patent Applications [0002] The present patent application claims priority to US Provisional Patent Application No. 61 / 071,923, filed May 27, 2008, filed by the present inventors and incorporated by reference into this patent application. technical field [0003] The present disclosure relates generally to contact printing, and more specifically, the present disclosure relates to surface treatments for stamps that can assist in the transfer of printed material from the stamp to a substrate. Background technique [0004] There are two main approaches used to reduce the cost of electronic equipment - improving the packaging efficiency of the integrated circuit (IC) components of the equipment, and increasing cost efficiency through the use of high-volume production methods. To cost-effectively mass-produce thinner flexible polymer electronics, large-area imaging can be an economical production method of choice and will most likely play an important role in poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/00G03F7/004H05K3/12
CPCB82Y10/00G03F7/0002G03F7/161B82Y40/00H05K2203/0537H05K3/207H05K3/1275H05K2203/0108H05K2203/0534B41M3/00H05K2203/0104
Inventor 袁铭辉陈景朗杨诚
Owner THE HONG KONG UNIV OF SCI & TECH
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