{"id":7338,"date":"2025-07-02T13:08:57","date_gmt":"2025-07-02T13:08:57","guid":{"rendered":"https:\/\/unescoalfozanprize.org\/?p=7338"},"modified":"2025-07-02T13:08:57","modified_gmt":"2025-07-02T13:08:57","slug":"des-polymeres-a-memoire-de-forme-avec-des-nanotips-resolvent-le-probleme-du-transfert-des-puces-micro-led","status":"publish","type":"post","link":"https:\/\/unescoalfozanprize.org\/fr\/des-polymeres-a-memoire-de-forme-avec-des-nanotips-resolvent-le-probleme-du-transfert-des-puces-micro-led\/","title":{"rendered":"Des polym\u00e8res \u00e0 m\u00e9moire de forme avec des nanotips r\u00e9solvent le probl\u00e8me du transfert des puces micro-LED"},"content":{"rendered":"<p>Des chercheurs de l&rsquo;universit\u00e9 des sciences et technologies de Pohang (POSTECH) ont mis au point un adh\u00e9sif sec intelligent utilisant des polym\u00e8res \u00e0 m\u00e9moire de forme avec des nanotiges dens\u00e9ment emball\u00e9es, permettant un transfert pr\u00e9cis et propre de composants \u00e0 l&rsquo;\u00e9chelle microscopique tels que les puces micro-LED. La surface des nanotips reste rugueuse \u00e0 temp\u00e9rature ambiante pour faciliter le d\u00e9tachement, mais elle se lisse sous l&rsquo;effet de la chaleur et de la pression pour assurer une forte adh\u00e9rence, atteignant une force d&rsquo;adh\u00e9rence de plus de 15 atmosph\u00e8res et un rel\u00e2chement de la force proche de z\u00e9ro lorsqu&rsquo;elle est r\u00e9chauff\u00e9e. D\u00e9montr\u00e9e avec un syst\u00e8me robotis\u00e9 de pr\u00e9l\u00e8vement et de placement, cette innovation pourrait r\u00e9volutionner la fabrication d&rsquo;\u00e9crans et de semi-conducteurs en \u00e9liminant les r\u00e9sidus et en simplifiant les processus de micro-assemblage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l&rsquo;universit\u00e9 des sciences et technologies de Pohang (POSTECH) ont mis au point un adh\u00e9sif sec intelligent utilisant des polym\u00e8res \u00e0 m\u00e9moire de forme avec des nanotiges dens\u00e9ment emball\u00e9es, permettant un transfert pr\u00e9cis et propre de composants \u00e0 l&rsquo;\u00e9chelle microscopique tels que les puces micro-LED. La surface des nanotips reste rugueuse \u00e0 temp\u00e9rature [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":7344,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-7338","post","type-post","status-publish","format-standard","hentry","category-technology-fr"],"_links":{"self":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/comments?post=7338"}],"version-history":[{"count":1,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7338\/revisions"}],"predecessor-version":[{"id":7348,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7338\/revisions\/7348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media\/7344"}],"wp:attachment":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media?parent=7338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/categories?post=7338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/tags?post=7338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}