Pikitia: Kei te whakatikatikahia e te miihini IVWorks tētahi pūtake plasma mō te whakatinanatanga i roto i tētahi pūnaha MBE Hybrid tauine-whakaputa, e tautoko ana i te tipu epitaxial GaN kounga teitei me te ōritetanga teitei.
Kua riro ko te transistor nekeneke-irahiko teitei (HEMT) o te gallium nitride (GaN) e whakauru ana i te hangarau whakatipu-kōwhiringa reGaN motuhake a IVWorks Co Ltd o Daejeon, Kōrea ki te Tonga hei transistor GaN tuatahi o te ao ki te whakatutuki i te auau oscillation mōrahi (fmōrahi) neke atu i te 700GHz. I whakaaturia tēnei mā te taputapu 45nm GaN HEMT i whakawhanakehia e te rōpū rangahau a Ahorangi Dae-hyun Kim i te Kura Hangarau Hiko i Te Whare Wānanga o Kyungpook, ā, i huraina i te 18 o Hune i te Huihuinga IEEE/JSAP 2026 mō te Hangarau me ngā Ara Hīkoi VLSI i Honolulu, Hawaii, USA.
I hangaia e te tīma rangahau he transistor GaN me te roa o te kuaha 45nm, ā, i tutuki i a rātou te rekoata fmōrahio te 742GHz, e whakatū ana i tētahi paearu hou mō te mahi RF i roto i te hangarau transistor GaN. I tutuki hoki i te taputapu tētahi ine auau toharite rekoata (favg) o te 497GHz, te uara teitei rawa atu kua pūrongohia mō tētahi hangarau transistor GaN. E whakaatu ana ēnei hua he kaha te whakataetae mahi a ngā semiconductors GaN ahakoa i roto i te aratau auau tino-tiketike, ā, ka taea te mahi hei tūāpapa whai hua mō ngā pūnaha hiko sub-terahertz me terahertz a meake nei, e ai ki a IVWorks.
Ahakoa kua roa te mana o ngā transistors e hangai ana ki te indium phosphide (InP) i roto i te pūnaha auau sub-terahertz nā ō rātou āhuatanga kawe irahiko tino pai, ko te iti o te ngaohiko pakaru ka whakawhāiti i te mana putanga me te tauine o te pūnaha. He rerekē, ka tukuna e GaN he huinga ahurei o te mara hiko pakaru teitei, te kiato mana teitei, me te pakari wera pai rawa atu, ka waiho hei kaitono ataahua mō ngā tono auau teitei me te mana teitei o te whakatupuranga e whai ake nei. Heoi, ko te whakatutuki i te mahi auau tino teitei me te GaN he wero nui tonu. Hei wikitoria i ēnei herenga, i whakamahia e te rōpū rangahau he tukanga kuaha 45nm matatau me te hoahoa taputapu kua arotauhia hei whakanui ake i te mahi auau teitei.
Ko tētahi o ngā mea matua i āhei ai ko te hangarau whakatipu anō whiriwhiri a IVWorks, arā, ko te reGaN. Nā IVWorks anake i whakawhanake, ka whakatipu anō whiriwhiri a reGaN i te GaN momo-n kua pania nui ki ngā rohe pūtake me te rerenga wai, ā, ka whakaiti nui i te ātete pa. Hei hoa rangahau tahi i tēnei rangahau, i whakaatu a IVWorks i te mea e kīia ana he pai te ōritetanga o te tukanga puta noa i te wafer 4-inihi katoa, ā, i tutuki i a ia te kaha ki te whakaputa anō. I tua atu, i whakaitihia e te kamupene te ātete atanga whakatipu anō (Rroto) ki te 0.027Ω-mm, e tata ana ki te rohe ariā e taea ana te whakatutuki i te kukū kawe e rite ana.
"Ka panaia e tēnei rangahau ngā rohe mahi RF o ngā GaN HEMT ki tētahi taumata hou, ā, ka whakaatuhia te pūmanawa o ngā semiconductors GaN mō ngā tono auau tino-tiketike mā te whakaaturanga tuatahi o te ao o te GaN HEMT me te h neke atu i te 700GHz," te kī a Ahorangi Dae-hyun Kim. "He tino whai tikanga te rangahau hei tauira angitu o te mahi tahi a te ahumahi-mātauranga, e whakakotahi ana i te tipu epitaxial matatau me ngā hangarau whakatipu anō mai i te ahumahi me te tohungatanga o te whare wānanga ki te rangahau taputapu me te ara iahiko," tāna tāpiri.
"I runga i tēnei whakatutukitanga, e whakamahere ana mātou ki te whakateretere ake i te whanaketanga o ngā taputapu hiko GaN o te whakatupuranga e whai ake nei e aro ana ki ngā tono auau terahertz mō ngā whakawhitiwhiti kōrero 6G me ngā hangarau parepare matatau."
E ai ki a IVWorks, e whakaatu ana tēnei whakatutukitanga i te kaha tipu haere o te hangarau GaN ki te whakawhānui atu i ngā hikohiko RF me te hikohiko mana tuku iho ki ngā tono hou o te sub-terahertz me te terahertz, tae atu ki ngā whakawhitiwhiti kōrero 6G, ngā pūnaha radar matatau, ngā whakawhitiwhiti kōrero amiorangi, me ngā hikohiko parepare o te whakatupuranga e whai ake nei.
"He hangarau matua a reGaN kua paahitia te tohu kounga i tētahi whare hanga whakarewa nui, ā, kua whakamahia mō te whakaputa rahinga," te kī a te Tumu Whakarae o IVWorks, a Young-kyun Noh. "E whakaatu ana tēnei whakatutukitanga kāore i te rite noa tā mātou tūāpapa reGaN e hangai ana ki te Hybrid-MBE ki te hanga engari he hangarau matua hoki hei whakahohe i ngā hikohiko GaN sub-terahertz me terahertz o te whakatupuranga e whai ake nei," tāna tāpiri. "E whakahīhī ana mātou ki te kite i te hangarau IVWorks e whai wāhi ana ki tētahi tohu rangahau matua o te ao."
Wā tuku: Hōngongoi-06-2026