Method for Producing a Replica of a Functional Surface

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a method for creating precise replicas of functional surfaces, such as those mimicking natural or engineered micro- and nanostructures. The process involves making a negative mold from the original surface using a specially selected or cooled molding material that captures intricate details without damaging delicate or temperature-sensitive features. The negative is then filled with a suitable material to produce a durable replica. The resulting surfaces can have unique properties, such as being superhydrophobic (water-repellent), superhydrophilic (water-attracting), or anti-adhesive.

Use CasesContent extracted from patent full text and abstract with AI.

• Manufacturing self-cleaning surfaces for windows, solar panels, or vehicle exteriors using superhydrophobic replicas.
• Creating anti-adhesive coatings or barriers to prevent insects or contaminants from sticking to materials or climbing surfaces (e.g., plant or tree protection, building exteriors).
• Developing advanced biomedical implants with customized surface textures to promote optimal tissue or cell growth and integration.
• Producing functional surfaces for microfluidic devices or lab-on-a-chip applications.
• Fabricating optical components (e.g., reflectors or diffractive elements) with structured surfaces to control light reflection or transmission.
• Reproducing natural biological surfaces for research, biomimetics, or materials science studies.

BenefitsContent extracted from patent full text and abstract with AI.

• Allows accurate replication of highly complex, delicate, or temperature-sensitive surface structures.
• Preserves fine micro- and nanoscale details that traditional molding methods might destroy or distort.
• Enables the copying of both natural (e.g., plant leaf structures) and artificial functional surfaces.
• Adaptable to a wide range of materials for both the mold and the replica, including flexible elastomers and rigid resins.
• Can be used to tailor the wettability, adhesivity, or other surface functionalities by further modifying or coating the replicas.
• Relatively simple and cost-effective compared to traditional lithography or etching-based structuring methods.

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Patent Abstract

The invention relates to a method for producing a replica of a functional surface. In said method, a surface is molded by means of a molding material, and the obtained negative matrix is molded by means of a filling material such that a replica of the surface is obtained. The invention further relates to the surface per se and the use thereof.