--- title: High-Density Parchment Paper Papertronics With... description: Researchers developed a high-resolution papertronic fabrication method using hydrophobic parchment paper as a substrate combined with a 50W CO2 laser to etch... canonical: https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels | daily.dev og:description: Researchers developed a high-resolution papertronic fabrication method using hydrophobic parchment paper as a substrate combined with a 50W CO2 laser to etch... og:url: https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj og:image: https://api.daily.dev/og/posts/rt9JA0NWJ.png og:image:alt: High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 1 upvotes · 0 comments ## Summary Researchers developed a high-resolution papertronic fabrication method using hydrophobic parchment paper as a substrate combined with a 50W CO2 laser to etch hydrophilic channels into the silicone coating. This approach achieves ~250 µm line widths and 300 µm spacing, significantly better than wax-based alternatives. PEDOT:PSS mixed with DMSO serves as the conductive ink, enabling printed resistors and capacitors (using interlocking finger structures with PVA gel electrolyte) to form functional RC filters. The circuits are biodegradable in soil, with only the silicone coating remaining inert; PDMS encapsulation is available for applications requiring durability. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What resolution can laser-carved parchment paper papertronics achieve compared to wax-based methods? Laser-carved parchment paper papertronics achieve around 250 µm line widths and 300 µm line spacing, a significant improvement over wax-based masking methods on regular paper, which suffer from poor resolution due to the absorbent and irregular nature of cellulose. The technique uses a 50 Watt CO2 laser to etch away the silicone coating on hydrophobic parchment paper, creating precise hydrophilic channels for conductive ink. _daily.dev surfaces materials science breakthroughs like this for engineers exploring flexible circuit fabrication._ ### How do you make resistors and capacitors out of printed paper electronics ink? Resistors are made by mixing PEDOT:PSS conductive polymer ink with dimethyl sulfoxide (DMSO), while capacitors are formed by printing interlocking PEDOT:PSS 'finger' electrodes and overlaying a Poly Vinyl Alcohol (PVA) based gel as the electrolyte. These printed components were combined to build functional RC low-pass and high-pass filter circuits directly on parchment paper. _Follow daily.dev for practical breakdowns of printed conductive ink components like resistors and capacitors._ ## Similar posts on daily.dev - [Parchment Paper Paired With 3D-Printed Grid Gives A Nice Glow](https://daily.dev/posts/parchment-paper-paired-with-3d-printed-grid-gives-a-nice-glow-ovdunxotz) · Hackaday · 0 upvotes · 0 comments - [3D-printed devices could streamline the production of drug-delivery microparticles](https://daily.dev/posts/3d-printed-devices-could-streamline-the-production-of-drug-delivery-microparticles-lol9m2c6z) · MIT News · 0 upvotes · 0 comments - [Focused microwaves allow 3D printers to fuse circuits onto almost anything](https://daily.dev/posts/focused-microwaves-allow-3d-printers-to-fuse-circuits-onto-almost-anything-egi3pqqbj) · Hacker News · 0 upvotes · 0 comments - [Rolled Silicon 3D Chips Could Shrink Circuits](https://daily.dev/posts/rolled-silicon-3d-chips-could-shrink-circuits-1ofqepeb8) · IEEE Spectrum · 0 upvotes · 0 comments - [KAIST Researchers Develop Direct Printing of Nanolasers for Optical Computing and Quantum Security​](https://daily.dev/posts/kaist-researchers-develop-direct-printing-of-nanolasers-for-optical-computing-and-quantum-security--a8cgcr8ai) · The Quantum Insider · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels","url":"https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj"},"datePublished":"2026-08-09T02:29:02.564Z","dateModified":"2026-09-14T06:54:42.344Z","description":"Researchers developed a high-resolution papertronic fabrication method using hydrophobic parchment paper as a substrate combined with a 50W CO2 laser to etch...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8bfaba6827c65222bc964321dbd2b644?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8bfaba6827c65222bc964321dbd2b644?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hackaday","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hackaday","logo":"https://media.daily.dev/image/upload/s--JhDfhy70--/f_auto,q_auto/v1767541814/logos/hackaday","url":"https://daily.dev/sources/hackaday"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hackaday","item":"https://daily.dev/sources/hackaday"},{"@type":"ListItem","position":3,"name":"High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels-rt9ja0nwj#faq","mainEntity":[{"@type":"Question","name":"What resolution can laser-carved parchment paper papertronics achieve compared to wax-based methods?","acceptedAnswer":{"@type":"Answer","text":"Laser-carved parchment paper papertronics achieve around 250 µm line widths and 300 µm line spacing, a significant improvement over wax-based masking methods on regular paper, which suffer from poor resolution due to the absorbent and irregular nature of cellulose. The technique uses a 50 Watt CO2 laser to etch away the silicone coating on hydrophobic parchment paper, creating precise hydrophilic channels for conductive ink. daily.dev surfaces materials science breakthroughs like this for engineers exploring flexible circuit fabrication."}},{"@type":"Question","name":"How do you make resistors and capacitors out of printed paper electronics ink?","acceptedAnswer":{"@type":"Answer","text":"Resistors are made by mixing PEDOT:PSS conductive polymer ink with dimethyl sulfoxide (DMSO), while capacitors are formed by printing interlocking PEDOT:PSS 'finger' electrodes and overlaying a Poly Vinyl Alcohol (PVA) based gel as the electrolyte. These printed components were combined to build functional RC low-pass and high-pass filter circuits directly on parchment paper. Follow daily.dev for practical breakdowns of printed conductive ink components like resistors and capacitors."}}]} ```