PCB tere-teitei

Me whai i te mana whakahaere roa-rite (hapa i roto i te ±5mil), te taurite aukati (50Ω/75Ω noa), me te mātāpono mokowā 3W (3 ngā wā o te whānui rārangi hei ārai i te whakawhitiwhiti kōrero).

Whakaitihia te whakaata o te tohu mā te whakamutu i ngā ātete e ōrite ana (raupapa i te pūtake, whakarara rānei i te pito), te whakahaere i te aukati tonu o te tohu, me te karo i ngā tohu koki-matau (ka piki ake te whakaata mā te 30%).

He mea tito mai i te takirua o ngā rārangi tohu he rite te roa, he rite te tawhiti, he rerekē te polarity, he kaha tōna kaha ārai-whakararuraru me te ōwehenga whakakore aratau-noa neke atu i te 40dB.

Ka whakauruhia te kaha pirinoa (tata ki te 0.5pF) me te inductance (tata ki te 1nH). E taunakihia ana te tukanga keri-muri hei whakaiti i te roa o te pou.

E whakamahia ana ngā paparanga 4-16, e honoa tata ana te paparanga mana me te paparanga whenua, ā, ka whakahaeretia te matotoru o te dielectric i te 0.1-0.3mm hei whakarite i te pumau o te aukati.

Kei te whānui/mokowā o te rārangi (pēnei i te 0.1mm/0.1mm), ā, ka taea e te mātotoru ara i te rohe BGA te eke ki te 100-150 tohu/cm².

Whakanuia te mokowā rārangi, whakauruhia te wehewehenga rārangi whenua, ā, karohia ngā tohu whakarara e neke atu ana i te 100mil, ka taea ai te whakaiti i te whakawhitiwhiti kōrero mā te neke atu i te 50%.

Ka whakaiti i te ngaronga tohu (tata ki te 3dB), ka penapena i te wāhi mata, ā, ka whakanui ake i te kiato ara mā te 20%-30%.

Whakamahia ngā taputapu pēnei i te SI9000 hei tatau i te aukati āhuatanga i runga i te pūmau dielectric (FR4 tata ki te 4.4), te whānui o te rārangi, me te matotoru o te dielectric.

Whakamahia kia 0.1mm te iti rawa o te paparanga hiko-ā-ira hei wehe, ā, kaua e whakawhitia te rohe kua wehea ina wehewehea te paparanga mana.

Ngā rauemi auau-teitei pērā i a Rogers 4350B (Dk=3.66, Df=0.004) me Isola FR408HR (Dk=3.8, Df=0.007).

Ka whakaitihia te whakaroa tuku e te iti o te pūmau dielectric (Dk), ā, ka whakaitihia te ngoikore o te tohu e te iti o te mate dielectric tangent (Df) (te whakaiti i te ngaronga o te 0.5dB mō ia 10GHz).

Ko te tikanga, e hiahiatia ana te Tg≥150℃, ā, e hiahiatia ana te Tg≥170℃ mō te whakapiripiri kore-mata hei whakarite i te pumau o ngā āhuatanga i ngā pāmahana tiketike.

Ka piki ake te uara Dk (tata ki te 5%) i te mimiti wai, ka piki ake te whakaroa tuku tohu. Me whiriwhiri ngā rauemi he iti iho i te 0.1% te tere mimiti wai.

Me ōrite ki te CTE o te maramara (tata ki te 6-10ppm/℃) hei ārai i te pakaru o te hononga honohono i puta mai i te ahotea wera.

Mō ngā tono auau-tiketike, tīpakohia te pepa parahi RTF (whakamuri-maimoatia) me te taratara o te mata Ra

Me tutuki i te paerewa UL94 V-0 kia kore ai e pāngia e te ahi.

Ina huri te pāmahana mā te ±20℃, ka iti iho te piki me te heke o te Dk i te 2% hei whakarite kia pumau te tuku tohu.

He nui te utu mō ngā rauemi iti-ngaronga. Tīpakohia ngā rauemi e tika ana kia rite ki te auau tohu (pērā i te FR4 kua whakapaitia mō raro i te 10GHz).

Me ātete ki ngā matū pēnei i ngā mea whakairo me ngā rerenga whakapiri, me te tere waikura

Te keri → te whakakikorua → te whakawhiti tauira → te whakairo → te kopare whakapiri → te maimoatanga mata (pēnei i te koura rumaki, OSP), me te whakahaere tika o te ±0.05mm.

Ko te paparanga tohu ≥18μm, me te paparanga mana ≥35μm hei whakarite i te kaha kawe-iao me te pono o te tohu.

Whakamahia te hangarau whakaahua tika taiaho (LDI) me te ātete whānui rārangi o ±0.02mm me te tauwehenga whakairo ≥3.

Ko te matotoru o te kopare whakapiri he 0.02-0.05mm. Ka pā te matotoru rawa ki te aukati. He mea pai kia whakatuwheratia ngā matapihi mō ngā raina tohu matua.

Mō ngā tohu auau-tiketike, tīpakohia te koura rumaki (paparanga Au 0.05-0.1μm) te maimoatanga mata hiriwa rānei me te ātete pa

Ko te pāmahana whakapiripiri reflow tihi ko te 245-255℃, ā, ko te wā wāhanga wai ko te 60-90s hei whakarite kia 1-3μm te matotoru o te paparanga IMC hononga whakapiripiri.

Ko te tika o te whakatakotoranga o ngā wāhanga 0201 he ±0.05mm, ā, ko te tauwehenga pine o ngā taputapu QFP he

Whakamahia he horoi wai, he horoi āhua-wai rānei, me ngā toenga katote

Whakamahia te mira, te tapahi rānei i ngā papa rēseri me te ahotea toenga

Tunua ki te 120℃ mō ngā hāora 2-4 hei tango i te makuku i te papa, hei ārai hoki i te pahūtanga o te papa i te wā e whakapiripiri ana.

Whakamahia he tātari whatunga (pēnei i a Keysight N5244B) me te awhe auau whakamātautau o te 1-40GHz me te hapa o te ±5%.

Whakamātautau hoahoa kanohi (teitei kanohi ≥80%, whānui kanohi ≥70%), whakamātautau tawhā-S (S11 -3dB).

Kitea ngā āputa o roto i ngā hononga honohono BGA (te ōwehenga āputa

Ka taea e ia te kite i ngā ara iahiko poto, ngā ara iahiko tuwhera, ngā taupatupatu whakatakotoranga wāhanga (tika ±0.02mm), me ngā hapa polarity.

Ko te kapinga whakamātautau o ngā pūnga matua he ≥95% hei whakarite i te tika o ngā hononga hiko.

Kāore e hiahiatia he taputapu, ka taea te whakamātautau i ngā PCB kiato-teitei, ā, ko te tere whakamātautau he 50-100 ngā tohu ia meneti.

Te pāmahana me te haumākū teitei (85℃/85% RH, 1000h), te ru wera (-40℃~125℃, 1000 huringa).

Ko te ngaohiko whakamātautau he 500V, ā, ko te ātete whakamarumaru he ≥10GΩ hei whakarite i te wehenga tohu.

Ko te ngaohiko whakamātautau he 1000V mō te 1 meneti, kāhore he pakaru, he mura rānei.

Tōia ki roto i te oumu tine 235℃, me te wā mākū 95%.

Te ngaronga nui o ngā rauemi, te kore ōrite o te aukati, te roa rawa o ngā tohu (ka piki te whakaitiiti mā te 2dB ia 10cm), me te maha rawa o ngā vias.

Whakapai ake i ngā ātete whakamutunga, whakarerekētia te āhua o ngā hononga, me te whakaiti i te maha o ngā via me ngā hononga.

Tāpirihia he paparanga ārai, whakarerekētia te ahunga o te ara, ka whakauru i te wehenga raina whenua hei whakaiti i te whakawhitiwhiti kōrero mā te 30%-50%.

Whakanuia ngā pūnga wetewete (huinga 0.1μF+10μF), arotauhia te tahora paparanga hiko, ā, whakapotohia te ara tuku hiko.

Ko te ahotea wera nui rawa, te kore taurite o te CTE, te pihi pāmahana whakapiringa hē, ā, me iti iho i te 0.5% te tere mahi anō.

Whakamahia he taputapu whakamātautau rere, he mita iti-ohm rānei, tae atu ki te 0.1mΩ te tika, me te tohu tūnga

Tautoko ana i ngā roopu auau mirimita-ngaru (24-40GHz), he iti te ngaronga (ngaronga

Te tere tuku o te 100Gbps+, te pono o te tohu, me te tautoko mō te hangarau hononga kiato-teitei (HDI).

He maha ngā paparanga mana, ngā papa whakamuri tere-teitei (ngaronga

Te whakahaere i ngā raraunga nui (te whānui o te hononga 1TB/s+), me te whakahaere i te whakawhitiwhiti kōrero me te whakaroa, me te kiato waea neke atu i te 200 ara/cm².

Ko te pāmahana whakahaere he -40℃~125℃, kua eke ki te tiwhikete AEC-Q100, ā, neke atu i te 15 tau te roa o te ora ratonga.

He hoahoa māmā (kiato 100,000 hāora), ā, he ātete ki te irahiko.

Te tutuki i ngā paerewa haumaru hiko hauora (IEC 60601), me te pokanoa tohu

Te tāpiri i ngā paparanga wehewehe, te whakamahi i ngā hononga ārai, te arotau i ngā pūnaha whenua, me te kaha ārai-whakararuraru kua whakapaitia mā te 40%.

Mā te whakamahi i ngā rauemi tuku iho (pēnei i te FR4), te whakangāwari i ngā tukanga, me te arotau i ngā hoahoa, me te whakaiti i ngā utu mā te 20%-30%.

Mā te whakamahi i ngā PCB whakarewa, i ngā whakarara wera rānei, ka whakaitihia te ātete wera mā te 30% me te pāmahana mata

Ansys HFSS, Cadence Sigrity, ADS, me te hapa tika whakatauira

Te hanga tauira whatunga hiko me te tātari i te haruru hiko (ripple

Te wā pikinga o te tohu tāuru (

Te tautuhi i ngā pūtake pokanoa me ngā rārangi patunga, te whakarite i te mokowā me te roa, me te hua whakatauira me te hapa ine

Te tātari i te ngaronga tuku tohu (S21) me te whakaata (S11) hei aromatawai i te mahi a te pūnaha.

Mā te whakamahi i te whakatauira rohe-wā, rohe-auau rānei, e arotahi ana ki te haruru i te roopu auau 100kHz-100MHz.

Te matapae i te kaha o te irahiko (

Te whakatakoto i te pāmahana taiao, te tauwehenga marara wera, me te whakapaunga hiko, me te hapa tohatoha wera

Te whakatairite i te aukati, ngā hoahoa kanohi, me ngā tawhā-S, me te tātari i ngā take o ngā rerekētanga (pēnei i ngā tawhā pirinoa me ngā hapa tukanga).

He tātaritanga whānui o te mahi tohu, te mana, te wera, me te mahi ā-mīhini, ā, kua whakapaitia te whai huatanga o te hoahoa mā te 40%.

IPC-6012 (ngā whakatakotoranga mahi papa tānga), IEEE 802.3 (ngā paerewa Ethernet), JEDEC (ngā paerewa tākai).

GB/T 4588 (ngā whakaritenga whānui mō ngā papa hiko tā), SJ/T 11364 (te whakahaere parahanga mō ngā hua mōhiohio hiko).

Tae atu ki te whakahaere ārai, ngā ture waea, te hoahoa puranga paparanga, ngā whakaritenga EMC, me ētahi atu, e 12 ngā wāhanga matua o ngā whakatakotoranga.

Te ātete whānui o te rārangi ±10%, te ātete whānui o te kōhao ±0.05mm, te taratara o te mata Ra

Te tutuki i te RoHS 2.0 (e aukati ana i ngā matū kino e 6), REACH (e whakahaere ana i ngā matū e 224).

Me whai tiwhikete UL, CE, FCC hei whakarite i te haumaru hiko me te hototahi hikohiko.

E whai ana i te pūnaha whakahaere kounga ISO 9001, me te taupū āheinga tukanga CPK ≥1.33.

Te tutuki i ngā whakaritenga o te GJB 362B (ngā whakaritenga whānui mō ngā papa tānga), me ngā whakaritenga tino kaha ake mō te urutau ki te taiao.

Te tutuki i te ISO 13485 (pūnaha whakahaere kounga mō ngā taputapu hauora), me ngā whakaritenga whai-tikanga 100%.

E whai ana i te IATF 16949, me te reiti tohu ōritetanga hua ≥99.5%.

Ngā auau teitei ake (ngā roopu auau terahertz), te ngaronga iti iho (Df

Ka arotauhia e te AI ngā waea (kua piki ake te whai huatanga mā te 60%), ka matapae i ngā take pono o te tohu, ā, ka whakaputa atamai i ngā ture hoahoa.

Te whakatutuki i te hanga tere o ngā hanganga matatini me te tika o te 0.1mm me te whakaiti i te utu o te 30%.