Jaun\u0101 laikmeta elektronika: Druk\u0101ta, p\u0101rstr\u0101d\u0101jama un submikronu izm\u0113ros<\/p>\n
ASV zin\u0101tnieki no Dj\u016bka universit\u0101tes ir rad\u012bju\u0161i pav\u0113rsiena punktu elektronikas ra\u017eo\u0161an\u0101, demonstr\u0113jot iesp\u0113ju druk\u0101t pilnv\u0113rt\u012bgu un otrreiz\u0113ji p\u0101rstr\u0101d\u0101jamu elektroniku, kas ir maz\u0101ka par 10 mikrometriem. \u0160is inovat\u012bvais process sola ne tikai revolucioniz\u0113t displeju tehnolo\u0123iju tirgu, kura v\u0113rt\u012bba tiek m\u0113r\u012bta 150 miljardos dol\u0101ru, bet ar\u012b iev\u0113rojami samazin\u0101t negat\u012bvo ietekmi uz vidi.<\/p>\n
P\u0101rvarot ra\u017eo\u0161anas izaicin\u0101jumus<\/p>\n
Profesors \u0100rons Franklins, kur\u0161 vada elektrotehnikas, skait\u013co\u0161anas tehnikas un \u0137\u012bmijas departamentu Dj\u016bka universit\u0101t\u0113, uzsver nepiecie\u0161am\u012bbu p\u0113c transformat\u012bv\u0101m tehnolo\u0123ij\u0101m, lai ASV stiprin\u0101tu savas poz\u012bcijas glob\u0101laj\u0101 tirg\u016b, kur domin\u0113 starptautiski konkurenti. “M\u016bsu process \u013cauj druk\u0101t oglek\u013ca b\u0101zes tranzistorus, kurus iesp\u0113jams piln\u012bb\u0101 p\u0101rstr\u0101d\u0101t un kuri nodro\u0161ina veiktsp\u0113ju, kas sal\u012bdzin\u0101ma ar nozares standartiem. Tas ir \u013coti daudzsolo\u0161i rezult\u0101ti, lai tos ignor\u0113tu,” nor\u0101da Franklin. \u0160\u012b inov\u0101cija sniedz cer\u012bbu ne tikai uz ekolo\u0123isk\u0101ku ra\u017eo\u0161anu, bet ar\u012b uz sp\u0113c\u012bg\u0101ku viet\u0113jo tehnolo\u0123isko b\u0101zi.<\/p>\n
Displeju revol\u016bcija un ekolo\u0123iskais aspekts<\/p>\n
M\u016bsdien\u0101s displeji ir neat\u0146emama m\u016bsu ikdienas sast\u0101vda\u013ca, s\u0101kot no viedt\u0101lru\u0146iem un televizoriem l\u012bdz pat automa\u0161\u012bnu inform\u0101cijas pane\u013ciem. Liel\u0101k\u0101 da\u013ca \u0161o displeju tiek ra\u017eoti Dienvidkorej\u0101, \u0136\u012bn\u0101 vai Taiv\u0101n\u0101. Tom\u0113r eso\u0161\u0101 ra\u017eo\u0161anas meto\u017eu ekolo\u0123iskais p\u0113das nospiedums ir iev\u0113rojams \u2013 tas ietver gan iev\u0113rojamus siltumn\u012bcefekta g\u0101zu izme\u0161us, gan milz\u012bgu ener\u0123ijas pat\u0113ri\u0146u, ko rada vakuuma apstr\u0101de. Turkl\u0101t, saska\u0146\u0101 ar ANO datiem, maz\u0101k nek\u0101 ceturt\u0101 da\u013ca no miljoniem tonnu elektronisko atkritumu, kas tiek izmesti katru gadu, tiek p\u0101rstr\u0101d\u0101ta. \u0160\u012b jaun\u0101 tehnolo\u0123ija pied\u0101v\u0101 cer\u012bgu risin\u0101jumu \u0161iem nopietnajiem vides jaut\u0101jumiem.<\/p>\n
Precizit\u0101te mikronu pasaul\u0113<\/p>\n
Pirms da\u017eiem gadiem Franklina laboratorijas darbinieki izstr\u0101d\u0101ja pasaul\u0113 pirmo piln\u012bb\u0101 p\u0101rstr\u0101d\u0101jamas elektronikas drukas procesu. Lai gan iepriek\u0161\u0113j\u0101 metode, izmantojot aerosols druk\u0101\u0161anu, \u013c\u0101va veidot elementus, kuru izm\u0113rs nep\u0101rsniedza 10 mikrometrus, jaunais p\u0113t\u012bjums, ko veica kop\u0101 ar Hummink Technologies, ir p\u0101rvar\u0113jis \u0161os ierobe\u017eojumus. Zin\u0101tnieki izmanto augstas precizit\u0101tes kapil\u0101r\u0101s drukas iek\u0101rtas, kas balst\u0101s uz virsmas ener\u0123ijas pielieto\u0161anu, lai prec\u012bzi doz\u0113tu un izdal\u012btu \u013coti mazas tintes da\u013ci\u0146as. \u0160\u012b pieeja nodro\u0161ina ar\u012b izcilu uzs\u016bk\u0161anas sp\u0113ju, jo \u0161\u0137idrums tiek efekt\u012bvi ies\u016bkn\u0113ts \u0161auraj\u0101s spraug\u0101s starp materi\u0101la \u0161\u0137iedr\u0101m.<\/p>\n
Oglek\u013ca b\u0101zes tintes un to potenci\u0101ls<\/p>\n
P\u0113tnieki ir izmantoju\u0161i tr\u012bs veidu oglek\u013ca tintes, kas ieg\u016btas no oglek\u013ca nanodalci\u0146iem, graf\u0113na un nanolielulozes. \u0160\u012bs tintes viegli uzkl\u0101jas gan uz stingr\u0101m pamatn\u0113m, piem\u0113ram, stikla un sil\u012bcija, gan uz elast\u012bg\u0101kiem materi\u0101liem, piem\u0113ram, pap\u012bra vai citiem ekolo\u0123iski draudz\u012bgiem virsm\u0101m. Testa rezult\u0101ti apliecina, ka jaun\u0101s tintes un iek\u0101rtu kombin\u0101cija nodro\u0161ina efekt\u012bvu elementu druk\u0101\u0161anu desmitiem mikrometru garum\u0101 ar neliel\u0101m, pat submikronu izm\u0113ra atstarp\u0113m starp tiem. \u0160\u012bs maz\u0101s atstarpes veido pl\u0101nsl\u0101\u0146u oglek\u013ca tranzistoru kan\u0101lu garumu, un maz\u0101ki izm\u0113ri tie\u0161i ietekm\u0113 augst\u0101kus elektriskos r\u0101d\u012bt\u0101jus. Tie\u0161i \u0161\u0101di tranzistori veido visu plakano displeju vad\u012bbas aizmuguri.<\/p>\n
N\u0101kotnes perspekt\u012bvas tehnolo\u0123iju tirg\u016b<\/p>\n
“\u0160\u0101di ra\u017eo\u0161anas veidi nekad neaizst\u0101s augstas veiktsp\u0113jas sil\u012bcija b\u0101zes datoru mikrosh\u0113mas, ta\u010du ir citi tirgi, kur tie var k\u013c\u016bt konkur\u0113tsp\u0113j\u012bgi un pat revolucion\u0101ri,” nor\u0101da \u0100rons Franklins. Katrs displejs satur milz\u012bgu kl\u0101stu mazu pl\u0101nsl\u0101\u0146u tranzistoru, kas kontrol\u0113 katru pikseli. Kam\u0113r OLED displeji pat\u0113r\u0113 vair\u0101k ener\u0123ijas un prasa vismaz divus tranzistorus uz vienu pikseli, \u0161\u0137idro krist\u0101lu displejiem (LCD) pietiek ar vienu. Iepriek\u0161\u0113jie p\u0113t\u012bjumi jau par\u0101d\u012bja, ka ar \u0161o metodi druk\u0101tie tranzistori sp\u0113j kontrol\u0113t vair\u0101kus pikse\u013cus LCD displej\u0101. Franklina ieskat\u0101, jaunie pl\u0101nsl\u0101\u0146u tranzistori ir tuvu OLED displeju veiktsp\u0113jas r\u0101d\u012bt\u0101jiem, kas sniedz v\u0113l vair\u0101k cer\u012bbu uz \u0161\u012bs tehnolo\u0123ijas pla\u0161u pielietojumu.<\/p>\n
P\u0113t\u012bjuma rezult\u0101ti ir public\u0113ti presti\u017eaj\u0101 \u017eurn\u0101l\u0101 Nature Electronics.<\/p>\n","protected":false},"excerpt":{"rendered":"Jaun\u0101 laikmeta elektronika: Druk\u0101ta, p\u0101rstr\u0101d\u0101jama un submikronu izm\u0113ros ASV zin\u0101tnieki no Dj\u016bka universit\u0101tes ir rad\u012bju\u0161i pav\u0113rsiena punktu elektronikas…\n","protected":false},"author":2,"featured_media":28337,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[77,76,8272,8269,35,39,38,36,37,34,40,8273,8270,8271],"class_list":{"0":"post-28336","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-bizness","8":"tag-bizness","9":"tag-business","10":"tag-displeju-razosana","11":"tag-drukata-elektronika","12":"tag-latvia","13":"tag-latvian","14":"tag-latviesu","15":"tag-latviesu-valoda","16":"tag-latviesuvaloda","17":"tag-latvija","18":"tag-lv","19":"tag-oglekla-nanodalcini","20":"tag-parstradajama-elektronika","21":"tag-submikronu-tehnologija"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/28336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/comments?post=28336"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/28336\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media\/28337"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media?parent=28336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/categories?post=28336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/tags?post=28336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}