PCB uku

Ko ngā rauemi noa ko te waikura konumohe (Al₂O₃, 60%-96% te parakore), te nitride konumohe (AlN), me te waikura beryllium (BeO, ka whakakapia haeretia nā te paitini). Neke atu i te 60% o ngā whakamahinga ko te 96% o te waikura konumohe.

Ko te Al₂O₃ (96%) he tata ki te 25W/m・K, ko te AlN ka eke ki te 170-230W/m・K, ā, ko te waikura beryllium (BeO) he tata ki te 250W/m・K.

Ko te waikura konumohe (6-7 ppm/°C), te hauota konumohe (4.5 ppm/°C), he iti iho i te 18-22 ppm/°C o te FR4.

I te pāmahana rūma, ko te ātete whakamarumaru o ngā papa Al₂O₃ he >10¹⁴Ω, ā, ko te ātete whakamarumaru o ngā papa AlN he >10¹³Ω.

Ko te pūmau dielectric o te 96% konumohe waikura he tata ki te 9.8 (1MHz), ā, ko te AlN he tata ki te 8.5 (1MHz).

Pāmahana whakahaere: -55℃~300℃, ka taea te tu atu i ngā pāmahana teitei mō te wā poto neke atu i te 800℃.

Ko te pakeketanga Mohs he 6-9, ko te waikura konumohe (96%) ka eke ki te taumata 7, he nui te uauatanga tukatuka.

Ko te Al₂O₃ (96%) he tata ki te 3.85g/cm³, ā, ko te AlN he tata ki te 3.26g/cm³.

He iti te mate uruhanga (tanδ

Te tere mimiti wai

Te tukanga kiriata matotoru (tā mata), te tukanga kiriata angiangi (pūwero/whakamomona), te tukanga tahu tahi (HTCC/LTCC), me ētahi atu.

Ko te pāmahana sintering HTCC he 1500-1600℃, ko te LTCC he 850-900℃; Ka taea e te LTCC te whakauru i ngā wāhanga kore mahi engari he nui ake te utu.

Ka taea e te tukanga kiriata angiangi te whakatutuki i te whānui/mokowā rārangi o te 10μm/10μm, ā, ko te tukanga kiriata matotoru he tata ki te 100μm/100μm.

Ko te diameter iti rawa o te kōhao mō te keri taiaho he 50μm, ā, mō te keri miihini he 100μm.

Te parahi honohono tika (DBC), te whakakoi whakarewa hohe (AMB), te tānga kiriata matotoru.

Ko te matotoru o te paparanga parahi noa ko te 0.1-0.3mm, tae atu ki te 0.5mm te mōrahi.

Te kaha o te here >25N/mm, ko ngā wā huringa wera neke atu i te 1000 ngā wā (-40℃~150℃).

Tukanga kiriata angiangi Ra

Te tapahi taiaho, te tapatapahi, te tapahi ā-ringa. Ko te tika o te tapahi taiaho he ±25μm.

Ko te hua o te tukanga kiriata angiangi e tata ana ki te 85%-90%, ā, ko te hua o te tukanga kiriata matotoru e tata ana ki te 90%-95%.

Āta karohia te hoahoa koki koi, te radius o te miro ≥0.2mm; tāpirihia he kōhao whakamarara wera ki ngā wāhi he nui te ahotea wera.

Mā te here maramara hurihuri, te here waea, te whakarewa eutectic, me ētahi atu. Ko te ātete wera o te here maramara hurihuri he iti iho i te 0.5℃/W.

Ngā teihana turanga 5G (ngaronga tohu

Whakaitihia te ātete wera. Mā te whakamahi i ngā papa AlN i roto i ngā kōwae IGBT ka taea te whakaiti i te ātete wera ki te 1.5℃/W.

Ka taea te whakamahi i roto i ngā waeine whakahaere miihini (ECU), he tino ātete ki te pāmahana teitei me te wiri.

He papa whakamarara wera LED mana-tiketike, ka taea te whakaiti i te ātete wera ki raro i te 3℃/W.

Mō te pepa parahi 1oz i raro i te pikinga pāmahana 10℃, ka taea e te whānui rārangi 1mm te kawe i te 2A.

Mā roto i ngā tukanga tahu-tahi, ka taea e te LTCC te whakatutuki i te neke atu i te 100 paparanga te nuinga.

Ko te kaha piko o te Al₂O₃ (96%) >300MPa, me tō te AlN >350MPa.

Ātete ki te irahiko (ka taea te tu atu ki te horopeta 10⁶Gy), mama (kia 1/3 te matotoru o ngā papa whakarewa).

Whakamātautau huringa wera (-40℃~125℃, 1000 ngā wā), whakamātautau wera makuku (85℃/85% RH, 1000h).

Te pakaru o te paparanga whakarewa (te huringa o te rahunga o te papa Al₂O₃ DBC tata ki te 500-800 ngā wā).

Ka taea e te matotoru 1mm te tu atu i te ≥5kV, te ngaohiko tīmatanga tukunga wāhanga >2kV.

Whakamātautau tihore rīpene (rīpene 3M 610), kāore he apa whakarewa e wetekina.

I raro i ngā āhuatanga mahi noa, ka taea te neke atu i te 10 tau, ā, i roto i ngā taiao pāmahana teitei me te haumākū tiketike, ka whakapotoa ki te 5 tau.

Te kimi hihi-X, te karuārai ultrasonic (C-SAM), me te taumira tae atu ki te 10μm.

Wiri sinusoidal 5-2000Hz, whakaterenga 5g, e 2 hāora te roa, kāore he pakaru.

Whakamātautau rehu tote 96h (5% otinga NaCl), kāore he waikura o te paparanga whakarewa.

Tauira tinana tangata (HBM) >2kV, tauira mīhini (MM) >200V.

-40℃~150℃, te wā hurihanga

Ko te utu o ngā papa uku he 5-10 ngā wā te nui ake i tō te FR4, nā te uaua o ngā rauemi me ngā tukanga.

Te whakaputanga papatipu, te arotau i ngā tukanga (pēnei i te whakamahi i te kiriata matotoru hei utu mō te kiriata angiangi), te whiriwhiri i ngā rauemi iti te utu (pēnei i te 60% konumohe waikura).

He pai ake te mahi whakamarumaru (me whai paparanga whakamarumaru ngā papa whakarewa), ā, he pai ake te tauwehenga o te whakawhānui wera ki ngā maramara.

Waikura konumohe (60%)

Momo rauemi, uauatanga o te tukanga, te maha o ngā paparanga, te rahi, te rahinga ota.

Ka taea te whakatutuki mā te tukanga pūmau-whakarerekē, me te pikinga utu o te 20%-30%.

E 15%-20% pea o te utu katoa tēnei, ā, mā te whakapai ake i te hua ka tino whakaitihia.

Ina neke atu te rahinga ota i te 5,000 ngā wahi, ka tino heke te utu mō ia wae.

He roa te huringa whanaketanga (3-6 marama), he nui te utu pokepokea ai (tata ki te 50,000-100,000 yuan).

E toru ngā wā e kaha ake ai te mahi whakamarara wera o ngā papa AlN i ērā o ngā PCB konumohe, engari e whā ngā wā e teitei ake ai te utu.

Ka whakapirihia ki ngā tīwiri, ka herea rānei ki te piripiri kawe wera (ātete wera

Te pāmahana tihi o te whakapiringa anō: 240-260℃, te roanga

Ka taea te mahi anō, engari ka taea e te pāmahana nui te whakapōrearea i te uku, ā, ko te angitu o tēnei mahi he tata ki te 70%.

Horoia ki te horoinga ultrasonic IPA (isopropyl alcohol) mō te

Kia mau tonu te haumākū o te taiao mahi ki te 40%-60%, ā, mauria he poroporo ringa ārai-pūmau.

Kōwhiria ngā rauemi he rite ngā tauwehenga whānui wera, ka whakakīia ngā āputa ki te hinu silicone kawe wera.

Kāore i te tūtohutia, nā te mea ka pakaru te uku i te ahotea wera.

Taipana mō ngā tīwiri M3: 0.8-1.2N・m hei karo i te kukū o te ahotea.

Kimihia ngā wāhi wera mā te whakaahua wera whero-whero, ka tirohia te hononga mā te whakamātautau ātete.

Rokiroki: haumākū

IPC-6012 (Whakatakotoranga Mahi mō ngā Papa Tānga Pakari), MIL-P-55110 (Paerewa Hōia).

Tiwhikete UL (ārai mura), Tiwhikete RoHS (kore matū morearea), ISO 9001.

Tutuki i ngā whakamātautau taiao MIL-STD-810G me ngā whakaritenga tino kaha mō te ātete wiri me te pānga.

Me whiwhi tiwhikete AEC-Q100 (maramara) me AEC-Q200 (ngā wāhanga kore mahi).

Kia tutuki i ngā ture a te EU REACH, me te whakawhāiti i te whakamahinga o ngā matū morearea pēnei i te mata me te cadmium.

Whakatauranga UL 94 V-0 (kāore e horapa te mura), taupū hāora >30%.

Kia tutuki i ngā whakaritenga o te pūnaha whakahaere kounga mō ngā taputapu hauora ISO 13485.

Me whiwhi tiwhikete pūnaha whakahaere kounga rererangi AS9100.

Kia tutuki i ngā paerewa irahiko hikohiko EN 55032, ngā tukunga irahiko

Ngā whakahaere tiwhikete tuatoru: SGS, TÜV, Intertek.

Tirohia te tukanga honohono (hei tauira, te whakakōkī konukōre DBC) ka tukatuka anō i te mata.

Whakakīia ngā kapiti iti ki te kapia epoxy; whakakapia te papa mō ngā kapiti kino.

Whakatikatikahia te pāmahana whakapiringa me te whakahaere i te ngohe rerenga (tohu RA).

Whakapaipaihia te waea, whakamahia ngā rauemi pumau iti-hiko, me te tāpiri i ngā paparanga whenua.

Tirohia ngā ara kawe wera, ka whakamātautau i te ātete wera (whāinga

Kāore i te ōrite te tukanga sintering, kāore rānei i te rawaka te whakaora i te ahotea wera; arotauhia te tukanga hanga.

Horoia ki te parāuma hei tango i ngā toenga rauropi.

Whakamātautau ātete ārai (1000V DC) hei kimi i ngā pūwāhi turuturu.

Whakakahangia ngā paninga tiaki (hei tauira, te whakakikorua ki te nikara-koura) me te karo i ngā hau waikura.

Whakanuia te matotoru o te papa (≥0.5mm) me te arotau i te hoahoa kokonga.

Te whakaangawari (

He nitride silicon (Si₃N₄), he nui te kawe wera (100W/m・K) me te kaha.

Kua whakatinanahia e te tānga uku 3D ngā hanganga matatini o te whakamarara wera me te tika o te 50μm.

Arotauhia te tohatoha wera mā roto i ngā rauropi whakatauira, ka whakapotohia te huringa hoahoa mā te 30%.

E whakamahia ana i roto i ngā kōwae hiko SiC me te tere tipu mākete ā-tau neke atu i te 20%.

Ka tutuki i te iti o te ngaronga hiko ngā hiahia whakawhitiwhiti kōrero auau teitei, ā, e matapaetia ana ka piki te tono mā te 50% i te tau 2025.

Ka whakakapia ngā whakarewa waro e ngā whakapiri kiriata matotoru e hangai ana ki te wai hei whakaiti i ngā tukunga VOC.

He uaua ki te taurite i ngā tauwehenga whānui wera, me whakamahi rauemi paparanga ārai.

Ka tutuki i te hangarau EUV ngā ara iahiko taumata-10nm, kei te wāhanga taiwhanga i tēnei wā.

Nā te pumau nui i ngā pāmahana iti, ka taea pea ēnei te kawe i ngā maramara matūriki.

Ātete pāmahana mōrahi: 800℃, me whakamahi rauemi whakarewa pāmahana teitei (hei tauira, te tikanga molybdenum-manganese).

Ka taea te tu atu ki te pēhanga 100MPa, ā, ka whiwhi i te tiakitanga IP68 mā te kohua.

Whakamahia ngā uku ātete-irahiko (hei tauira, te silicon carbide) hei tiaki i te irahiko niutron.

Whakahaerehia te aukati āhuatanga (50Ω) me te whakaiti i te ngaronga hiko (tanδ

Whakamahia ngā hanganga marara wera moroiti me te mātotoru rerenga wera tae atu ki te 100W/cm².

Me whakakā te mata, kia rite ki ngā whakamātautau koiora ISO 10993.

Te ātete pāmahana teitei me te whakamarumaru, e whakapai ake ana i te whai huatanga o te pūnaha mā te 1%-2%.

Whakatutukihia ngā whakaritenga whakamarumaru hiko hiko ngaohiko teitei (HVDC), ā, ka taea te tu atu i te ngaohiko ≥10kV.

Whakamahia ngā taiapa mimiti-ru, ā, karohia ngā auau whakaohooho o waho mō te auau tūturu.

Whakauruhia ki ngā maramara MEMS hei whakatutuki i te whakaitiiti me te hoahoa iti-mana