High-precision printed structures and methods of making

EP4523021A1Pending Publication Date: 2025-03-19X CELEPRINT LIMITED
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Patent Information

Application Number
EP2023726874
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-09-28
Filing Date
2023-05-04
Publication Date
2025-03-19

AI Technical Summary

Technical Problem

Current methods for transferring electronically active components from one substrate to another lack precision and accuracy, leading to inefficiencies in forming denser and smaller electronic systems, particularly in applications like flat-panel displays and solar cells, where precise alignment is crucial for optimal performance.

Method used

The method involves using a transfer element, such as a viscoelastic stamp, to move components from a native source wafer to a non-native target substrate, allowing for precise alignment and adhesion of components to the substrate, with the ability to move both vertically and horizontally to ensure accurate positioning within micrometer distances.

Benefits of technology

This approach enables the creation of high-precision printed structures with components aligned to within micrometer distances, enhancing the performance and density of electronic systems by reducing conversion and connection losses, and allowing for the use of smaller, more integrated systems.

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Abstract

A printed structure includes a target substrate and structures extending from a surface of the target substrate and a component disposed on the surface in alignment with the structures. The structures can be spatially separated independent structures. The component is non-native to the target substrate and can comprises a component substrate separate and independent from the target substrate. The component can be micro-transfer printed to the target substrate and can comprise a broken, fractured, or separated tether.
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