He aha nā ʻano like ʻole o nā PCB?
Aia nā ʻāpana PCB ma nā ʻano like ʻole no nā noi like ʻole. ʻO ke koho ʻana i kahi kūkulu kūpono no kahi huahana e pono ai i kahi ʻenekinia e noʻonoʻo i ka manaʻo o ka hoʻohana ʻana i kahi hāmeʻa, kona mau ana a me kāna mau kikoʻī mana. E noʻonoʻo i kēia mau mea no ka hoʻomaopopo ʻana i ke ʻano o nā papa kaapuni i paʻi ʻia a me nā ʻano ʻano like ʻole i kūpono i kāu mau hana.
Nā PCB ʻaoʻao hoʻokahi: ʻO ka hana ʻana i ka PCB e pili ana i ka hana ʻana i ka papa kaapuni mai loko mai o hoʻokahi papa o ka substrate a me kahi ʻāpana metala. Hoʻopili ʻia nā ʻāpana āpau ma ka ʻaoʻao hoʻokahi.
Nā PCB ʻaoʻao ʻelua: He ʻano PCB kahi e hoʻopili ʻia ai nā pepa metala conductive i nā ʻaoʻao ʻelua o kahi pani.
Hiki ke wili ʻia nā lua ma waena o ka papa kaapuni e hiki ai i nā pilina ke holo i nā ʻaoʻao ʻelua.
Nā PCB Multilayer: ʻO ka liʻiliʻi o ʻekolu PCB papa ʻelua i hoʻopaʻa ʻia ma luna o kekahi me kekahi mau ʻāpana o ka insulation e kaupalena i ka hoʻoili wela. Hoʻopili nā glues kūikawā i ka pūʻulu o nā PCB.
Nā PCB maʻalahi: Nā papa kaapuni paʻi e hōʻike ana i nā substrate maʻalahi e kōkua i nā ʻenekinia e hoʻololi i nā ʻano huahana paʻa. Loaʻa paha ka ʻenehana ma ke ʻano o ka ʻaoʻao hoʻokahi, ʻelua ʻaoʻao a i ʻole multilayer kūkulu.
Nā PCB paʻa: Pono no nā huahana mea kūʻai aku e mālama i ke ʻano like i ko lākou ola. Hana ʻia nā PCB paʻa me ka hoʻohana ʻana i nā substrates paʻa e kūʻē i ka wili.
ʻO nā PCB paʻa paʻa: Paʻi ʻia nā papa kaapuni me ka hoʻohana ʻana i nā mea paʻa a maʻalahi. Hāʻawi kēia mau hoʻonohonoho i nā mea hoʻomohala huahana e mālama i ka lewa, no ka mea hiki ke hoʻokomo ʻia nā ala pili paʻa a maʻalahi ma ka papa kaapuni like.
Nā PCB i kākoʻo ʻia i ka aluminika: He ʻano PCB e pani ana i kahi pani alumini kahi e waiho ai ka fiberglass. Hoʻolālā ʻia no ka hoʻohana ʻana me nā uila PCB kiʻekiʻe e like me nā kukui LED.
Nā PCB kiʻekiʻe: Ua hana ʻia ka papa kaapuni e hoʻouna i nā hōʻailona ikaika e like me 2 GHz.
He aha nā PCB i hana ʻia mai?
ʻOkoʻa ke ʻano o ke kaʻina hana PCB ma muli o ke kumu i manaʻo ʻia o ka ʻāpana a me ka nui o ka mana e pono ai e hana i kahi hana uila. Ma mua o ke koho ʻana i nā mea no ka hui ʻana o ka papa kaapuni, he mea maikaʻi e hoʻomaʻamaʻa iā ʻoe iho me nā ʻāpana nui ʻehā o kahi ʻāpana PCB:
Lapaʻa: ʻO ke kaʻina hana o ka papa kaapuni - hoʻopaʻa nā ʻāpana āpau i kēia ʻili.
Laminates: Nā mea e paʻa ai nā papa PCB a pau.
Solder mask: Noho ma luna o nā pahu keleawe no nā kumu kaʻawale a pale i nā pilina mai nā mea kaiapuni.
Silkscreen: Hoʻopaʻa i ka mask solder i hiki ke hoʻopaʻa inoa ʻia nā ʻāpana.
He aha ka schematic?
ʻO ka schematic, a i ʻole ka schematic diagram, he hōʻike ia o nā mea o kahi ʻōnaehana me ka hoʻohana ʻana i nā hōʻailona abstract, kiʻi ma mua o nā kiʻi maoli.
He aha nā mea hoʻopuka no ka lawelawe PCB Layout?
No nā kauoha lawelawe PCB Layout, e hāʻawi ʻia nā ʻikepili aʻe i ka faila puka:
ʻO nā ʻikepili piha ʻo Gerber e pili ana i nā faila Drill (Nā papa kaapuni, nā ʻāpana mask, nā ʻāpana silika, Outline, Drill layers, Paste layers)
E koho a waiho i ka ʻikepili
Bila hope loa o ka waihona waiwai
Papahana Netlist a me ka waihona PDF
He aha nā ʻano mea i hoʻohana pinepine ʻia e hana i nā PCB paʻa?
FR4 mea
Mea kiʻekiʻe ka māmā holo hōʻailona
ʻO ka substrate FR4 wikiwiki loa me DF 1Ghz.
ʻO ka substrate FR4 kiʻekiʻe me Df 10Ghz
Haʻahaʻa Df mea seramika, hana ma 10Ghz
ʻO nā mea PTFE a i ʻole nā mea PTFE i hoʻoikaika ʻia
Mea PTFE wela kiʻekiʻe
He aha ke ʻano o nā ʻenehana hana i hoʻohana ʻia e hana i nā PCB paʻa?
Nui nā ʻenehana hana i hoʻohana ʻia e hana i nā PCB paʻa. Hoʻokomo ʻia nā ʻanuʻu ma lalo i ka hapa nui o nā ʻenehana.
Lamina
ʻO ka wili ʻana
Kāpala keleawe
kalai keleawe
Māka solder
Hoʻopau ʻili
ʻāpana silkscreen
ʻO ka muaelization
Hoao ana
He aha nā ʻano o ka hoʻāʻo ʻana i nā PCB paʻa?
Ho'āʻo Uila no ka wehe a me ka pōkole
AOI (Nānā Optical Aunoa)
TDR Impedance hoao
Aloha no ka hoao ana
Nānā Kiʻi Kino
Ho'āʻo Solderability
Ho'āʻo Thermal
Ho'āʻo Lepe
Hoao Peel
ʻO ka hoʻāʻo ʻana i ka Ionic Contamination
Pehea ka lōʻihi o ka hana ʻana i kahi PCB paʻa?
ʻO kēia ka mea e pili ana i ka manawa e pono ai e hana i nā PCB paʻa i Richfulljoy.
He 1-5 mau lā no ka huli wikiwiki ʻana i nā PCB.
Lawe ʻia nā wiki 1-2 no ka prototype a me ka hana liʻiliʻi o nā PCB paʻa.
Hoʻopau ʻia nā wiki 2-4 ma ka hana nui o nā PCB paʻa.
He aha nā ʻokoʻa nui: Rigid PCB vs flex PCB?
ʻO ka ʻokoʻa nui ma waena o ka papa PCB paʻa a me ka papa PCB flex:
1), Hana ʻia lākou e nā ʻano mea like ʻole: hana ʻia nā papa kaapuni paʻa e FR4, ceramic, metal core, PTFE etc. , Kapton matrial hiki ke kulou i na kaukani manawa;
2), Inā hiki ke hoʻopaʻa ʻia a ʻaʻole paha: ʻaʻole hiki ke hoʻopaʻa ʻia ka PCB paʻa, akā hiki ke hoʻopaʻa ʻia ka PCB flex;
3), He ʻokoʻa ko lākou hoʻohana: hoʻohana ʻia nā papa kaapuni paʻa i nā mea uila ʻaʻole e neʻe, akā hoʻohana ʻia nā papa kaapuni flex i nā mea e neʻe mau ai, e like me nā kāmera, laptops, kelepona, neʻe probes etc.
ʻEhia ke kumu kūʻai no ka hana ʻana i kahi PCB paʻa?
He paʻakikī ke haʻi i ka nui o ka PCB paʻa. ʻO kēia ka mea e pili ana i nā kumu nui e pili ana i ke kumukūʻai o ka PCB paʻa.
ʻAno mea kumu
Helu helu o ka PCB paakiki
Ka mānoanoa keleawe
ʻO ka mānoanoa o ka PCB paʻa
Hoʻonohonoho hoʻonohonoho
Makapō/Kanu ʻia nā vias
Pau ka ʻili
ʻenehana kūikawā a i ʻole koi
He aha nā pōmaikaʻi o ka hoʻohana ʻana i nā PCB paʻa?
ʻO nā PCB paʻa ka PCB i hoʻohana nui ʻia. ʻO kāna mau pōmaikaʻi nui:
Paʻa kiʻekiʻe dimensional
hilinaʻi kiʻekiʻe
Kumukuai haahaa