Formlabs‘s patent involves a method to reduce peel forces in additive fabrication by modifying layer formation, part models, and hardware. The technique involves adjusting exposure power and cure depth to optimize layer adhesion. GlobalData’s report on Formlabs gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Formlabs, Additive manufacturing monitoring sensors was a key innovation area identified from patents. Formlabs's grant share as of April 2024 was 48%. Grant share is based on the ratio of number of grants to total number of patents.

Additive fabrication method to reduce peel force during separation

Source: United States Patent and Trademark Office (USPTO). Credit: Formlabs Inc

A recently granted patent (Publication Number: US11945155B2) discloses a method for configuring an additive fabrication device to fabricate objects using actinic radiation on a liquid photopolymer. The method involves generating instructions for the device to fabricate the object in layers based on a three-dimensional model. The layers are cured at different exposure powers, with specific regions receiving additional actinic radiation to enhance the curing process. Notches are strategically placed around the perimeter of the layers to optimize the fabrication process.

Furthermore, the patent includes a computer system with processor-executable instructions for configuring the additive fabrication device. The system allows for the precise formation of objects by controlling the exposure power during the curing process. The method involves overlapping layers with varying cure depths to ensure proper fabrication. Additionally, the system can generate notches based on the orientation and geometry of the object's model, enhancing the overall quality of the fabricated object. The innovative approach outlined in the patent aims to improve the efficiency and accuracy of additive manufacturing processes, offering a new perspective on object fabrication using actinic radiation and liquid photopolymers.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.