Te Wāhanga Matua o te Hua: Te Whakamahana Taiaho mō te Whakamahana Wafer Semiconductor

He tukanga nui te whakamahana wafer i roto i te hanga semiconductor, tae atu ki te whakahohenga dopant, te whakaora whatunga, me te hanganga hononga ultra-slow (USJ). Ko te whakamahana oumu tikanga me te tukatuka wera tere (RTP) e pāngia ana e te nui o ngā tahua wera, te kore e pai te whakahaere i te tohatoha dopant, me te kore e ranea te ōritetanga, e kore ai e ranea mō ngā pona hangarau matatau i te 7 nm, 5 nm, me tua atu - inā koa mō ngā hoahoa Gate-All-Around (GAA) me te mahara uira 3D NAND. Ko te whakamahana wafer e hangai ana ki te laser, me tana hihi kaha-teitei, te tika o te wāhi micron-scale, me te iti o te tohatoha wera, kua puta hei tukanga matua o te whakatupuranga e whai ake nei mō te whakatutuki i ēnei whakaritenga hanga uaua.

Te Kaupapa Matua o te Whakamahana Taiaho

Kei te pane whakamahana taiaho Wave Optics he hoahoa whatu motuhake e tuku ana i ngā hihi taiaho kaha-teitei, ōrite te wera mō te whakamārama tika o ngā mata o te wafer. Ka tukuna e te taiaho matomato he pai te whakauru ki ngā rauemi e hangai ana ki te silicon (tae atu ki te SiC), ka taea ai te maimoatanga wera tino pai me te kore e kino te wafer. Mā tēnei ka taea te whakahou i te paparanga pakaru kua whakauruhia ki te katote me te whakahohenga pai o te dopant. Nō muri mai, ka taea e te kawe wera teitei o te papa te whakamatao tere rawa, ka whakatio i te hanganga whatunga me te pehi i te horapa o te dopant. Ka angitu tēnei tukanga ki te whakaputa i ngā hononga tino papaku me te pai o te whakahohenga me te kōtaha hononga pari (ōhorere).

He mea nui te whakamahana taiaho hei whakapai ake i te hua o te tukatuka wafer

1. Te ōritetanga o te hihi: Neke atu i te 95% te ōritetanga o te pūngao o te ira hihi papatahi (noa), ā, ka kore e rewa rawa, e memeha rānei.
2. Pūmautanga Pūngao: Kei raro iho i te 2% te piki me te heke o te pūngao putanga tonu, e whakarite ana i te ōritetanga pai o te wafer-ki-te-wafer me te puranga-ki-te-puranga.
3. Te Tika o te Ahua Mata: Kei ngā wāhanga whatu ngā uara PV/RMS tauine-nanomita me te whakapōturitanga o te mata o te ngaru e whakahaeretia pai ana, e ārai ana i te kino o ngā ira wera.
4. Te Hōhonutanga o te Arotahi me te Hanganga o te Hiko: Mā te hōhonutanga o te arotahi ka taea te whakarite me te whakakotahitanga o te whakauru hihi ka tautoko i te matawai mara-katoa o ngā anga whānui-rahi.
5. Te Whakataurite Roangaru: Kua arotauhia mō ngā roopu ngaru mimiti-teitei o te silicon me ngā haurua-ā-ira tuatoru o te whakatipuranga (hei tauira, SiC, GaN) hei whakanui ake i te whai huatanga o te whakamahinga pūngao.

Ngā Painga Matua e Toru i te Whakamahana Tikanga

1. He tino pai te pehi i te horapa o te ira tāpiri - Ka whakawhāitihia te pānga wera ki te awhe nanohekona ki te mirihekona me te tata ki te kore te horapa o te ira tāpiri, he āheinga kāore e taea te whakatutuki mā te whakamahana oumu, te RTP rānei.

2. He iti te tahua wera, he iti hoki te kino o te taputapu - Ko te mata o te angaanga anake ka pāngia e ngā pāmahana teitei mō te wā poto, ā, kāore e puta he rerekētanga wera o te papa, o ngā hanganga taputapu rānei, ā, kāore hoki e pakaru te atanga.

3. Te whakamahana rohe whiriwhiri tika - Ka tautokohia e ngā ira hihi tauine-micron ka taea te whakarerekē te whakamahana ā-rohe mō te whakaurunga 3D me ngā taputapu whakauru kanorau.

Ngā horopaki tono

Kei roto i ngā tono ko te whakahohenga pūtake/waikeri, te whakatika hongere, me te whakamahana whakapā ohmic mō ngā arorau matatau (GAA/CFET), DRAM/3D NAND, ngā taputapu hiko SiC/GaN, SOI, me ngā taputapu moroiti/nano. Ka tukuna e te whakamahana taiaho he whakapainga i te hua me te mahi a te taputapu i te wā kotahi.

Mā te whakamahana taiaho ka nekehia te tukatuka wafer mai i te whakamahana whānui (paraikete) ki te whakamahana ā-rohe tino tika. Ka tautokona e tana hangarau whatu kaha te haere tonu o te tauine me te whanaketanga mahi o ngā pona semiconductor matatau.

Pepa Whakatakotoranga Hua